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Off-Highway Trucks

777 (05) Water Truck

Cat® Water Solutions helps you efficiently reduce haul road dust to enhance safety and increase productivity at your job site, quarry, or mine. An integrated truck, tank, and water delivery system – connected with scalable levels of technology helps you solve overwatering and underwatering issues with a focus on sustainable operations. This innovative water solution is sold and supported by the local Cat dealer you know and trust.

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Overview

Longer description goes here

Engine

UNITS:

Metric

Imperial

Engine Model	Cat® C32B	Cat® C32B
Gross Power - SAE J1995:2014	765 kW	1026 hp
Engine Speed	1800 r/min	1800 r/min
Net Power - SAE J1349:2011	711 kW	953 hp
Emissions	Fuel Optimized	Fuel Optimized
Cylinders	12	12
Bore	145 mm	5.7 in
Stroke	162 mm	6.4 in
Displacement	32.1 l	1959 in³
Note (1)	Net Power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 1,800 rpm.	Net Power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 1,800 rpm.
Note (2)	No engine derating required up to 3048 m (10,000 ft) altitude.	No engine derating required up to 3048 m (10,000 ft) altitude.
Note (3)	Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 2.	Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 2.

Cat Water Delivery System (WDS)

Maximum water flow	6814 l/min	1800 gal(US)/min
Water per spray head (minimum)	132.5 l/min	35 gal(US)/min
Water per spray head (maximum)	2271 l/min	600 gal(US)/min
Spray head opening range (minimum)	1 mm	0.04 in
Spray head opening range (maximum)	19 mm	0.75 in
Maximum size debris flushed through spray head	19 mm	0.75 in
Spray system hydraulic tank capacity	27.5 l	7.25 gal (US)
Maximum number of rear spray heads	5	5
Minimum number of rear spray heads (recommended 3)	2	2
Minimum number of front/side spray heads	2	2
Maximum number of front/side spray heads	0	0
Maximum water from cannon (idle)	2271 l/min	600 gal(US)/min
Maximum water from cannon (high idle)	6246 l/min	1650 gal(US)/min
Maximum cannon spray distance	61 m	200 ft
Type	Wet water pump/hydraulic motor coupling	Wet water pump/hydraulic motor coupling
Note	Operator selectable coverage: 0.1 - 0.8 L/m² (4 kph - 40 kph) / 0.05 - 0.2 gal/ft² (3 mph - 25 mph). Coverage rates above 0.6 L/m² may not be available at higher speeds depending on head count and configuration.	Operator selectable coverage: 0.1 - 0.8 L/m² (4 kph - 40 kph) / 0.05 - 0.2 gal/ft² (3 mph - 25 mph). Coverage rates above 0.6 L/m² may not be available at higher speeds depending on head count and configuration.
Note (1)	Spray head opening is automatically controlled by the system to achieve Auto Mode Coverage or manual mode flow rate.	Spray head opening is automatically controlled by the system to achieve Auto Mode Coverage or manual mode flow rate.
Note (2)	The Auto Mode setting controls water coverage and automatically adjusts to the number of spray heads being used — independent of ground speed. This is an exclusive feature designed into the Cat WDS software to help water more efficiently. Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate.	The Auto Mode setting controls water coverage and automatically adjusts to the number of spray heads being used — independent of ground speed. This is an exclusive feature designed into the Cat WDS software to help water more efficiently. Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate.
Note (3)	Alternatively, manual mode allows the operator to set a water flow rate that is constant regardless of ground speed. This mode is not recommended for daily operation and will reduce watering efficiency and may increase fuel usage.	Alternatively, manual mode allows the operator to set a water flow rate that is constant regardless of ground speed. This mode is not recommended for daily operation and will reduce watering efficiency and may increase fuel usage.
Note (4)	Spray heads on competitive water distribution systems require tools and maintenance to change flow and spray pattern. Caterpillar is the only company to have variable active spray heads to regulate water spray.	Spray heads on competitive water distribution systems require tools and maintenance to change flow and spray pattern. Caterpillar is the only company to have variable active spray heads to regulate water spray.
Note (5)	Cannon performance depends on nozzle orifice and pipe size.	Cannon performance depends on nozzle orifice and pipe size.

Tank Configurations

Water Tank Capacity	up to 75 700 L (20,000 gal)	up to 75 700 L (20,000 gal)
Note	Multiple tank configurations are offered based on customer preference and regional locations. Water Tank Capacity Range: 75 400 - 75 700 L (19,900 - 20,000 gal)	Multiple tank configurations are offered based on customer preference and regional locations. Water Tank Capacity Range: 75 400 - 75 700 L (19,900 - 20,000 gal)
Machine Weight (with water tank full)	315,365 - 327,964 lb / 143 047 - 148 762 kg	315,365 - 327,964 lb / 143 047 - 148 762 kg
Empty Machine Operating Weight (without water / with fuel)	151,204 - 153,221 lb / 68 585 - 69 500 kg	151,204 - 153,221 lb / 68 585 - 69 500 kg
Water Tank - Max Empty Weight (no WDS)	42,983 - 44,092 lb / 19 497 - 20 000 kg	42,983 - 44,092 lb / 19 497 - 20 000 kg
Note (1)	Cat branded tanks include additional features and options commonly selected by customers in the industry. Splash guards, fill chute, and rock ejectors are standard.	Cat branded tanks include additional features and options commonly selected by customers in the industry. Splash guards, fill chute, and rock ejectors are standard.
Note (2)	Hoist cylinder mounting on all tank offerings enhances serviceability.	Hoist cylinder mounting on all tank offerings enhances serviceability.

Operating Specifications

Top Speed - Loaded	67.1 km/h	41.7 mile/h
Note	Water Tank Capacity Range: 69 700 - 75 700 L (18,400 - 20,000 gal)	Water Tank Capacity Range: 69 700 - 75 700 L (18,400 - 20,000 gal)
Note (2)	Operator selectable coverage: 0.2-0.8 L/m² (4 kph - 40 kph) / 0.5-0.2 gal/ft² (3 mph - 25 mph)	Operator selectable coverage: 0.2-0.8 L/m² (4 kph - 40 kph) / 0.5-0.2 gal/ft² (3 mph - 25 mph)

Weights - Approximate

Target Gross Machine Weight	163360 kg	360148 lb
Chassis Weight	82022 kg	180827 lb

Transmission

Forward - 1	10.9 km/h	6.8 mile/h
Forward - 2	14.8 km/h	9.2 mile/h
Forward - 3	20.1 km/h	12.6 mile/h
Forward - 4	27.1 km/h	16.9 mile/h
Forward - 5	36.8 km/h	22.9 mile/h
Forward - 6	49.4 km/h	30.7 mile/h
Forward - 7	67.1 km/h	41.7 mile/h
Reverse	12.1 km/h	7.5 mile/h
Note	Maximum travel speeds with standard 27.00R49 (E4) tires.	Maximum travel speeds with standard 27.00R49 (E4) tires.

Final Drives

Differential Ratio	2.74:1	2.74:1
Planetary Ratio	7.00:1	7.00:1
Total Reduction Ratio	19.16:1	19.16:1

Braking System

Brake Surface - Front	2787 cm²	432 in²
Brake Surface - Rear	102116 cm²	15828 in²
Brake Standards	ISO 3450:2011	ISO 3450:2011

Body Hoists

Body Raise Time - High Idle	15 s	15 s
Body Lower Time - Float	13 s	13 s
Body Lower Time - High Idle	13 s	13 s

Weight Distributions - Approximate

Front Axle - Empty	46 %	46 %
Front Axle - Loaded	30 %	30 %
Rear Axle - Empty	54 %	54 %
Rear Axle - Loaded	70 %	70 %

Suspension

Effective Cylinder Stroke - Front	318 mm	12.5 in
Effective Cylinder Stroke - Rear	165 mm	6.5 in
Rear axle - Oscillation	5.4 °	5.4 °

Steering

Steering Standards	ISO 5010:2007	ISO 5010:2007
Steer Angle	30.5 °	30.5 °
Turning Diameter - Front	25.3 m	83 ft
Turning Circle - Clearance Diameter	28.4 m	93.2 ft

Tires

Standard Tire	27.00R49 (E4)	27.00R49 (E4)
Note (1)	Productive capabilities of the 777 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.	Productive capabilities of the 777 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2)	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.

Service Refill Capacities

Fuel Tank (1)	1140 l	300 gal (US)
Cooling System	212 l	56 gal (US)
Crankcase	115 l	30 gal (US)
Differentials	222 l	59 gal (US)
Steering System - Including Tank	60 l	16 gal (US)
Brake Hoist System	420 l	110 gal (US)
Torque Converter - Transmission System	125 l	33 gal (US)

Cab

Air Conditioning	42789 Btu/kWh	18390 Btu/lb
Heater / Defroster	11070 kJ/kg	43930 Btu
ROPS Standards (1)	Rollover protective structure (ROPS) cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.	Rollover protective structure (ROPS) cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.
FOPS Standards	Falling objects protective structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II FOPS for trainer.	Falling objects protective structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II FOPS for trainer.
Note (1)	The dynamic operator sound pressure level is 80 dB(A) as per ISO 6396:2008 for cab offered by Caterpillar. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.	The dynamic operator sound pressure level is 80 dB(A) as per ISO 6396:2008 for cab offered by Caterpillar. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.

Features

ENHANCED SITE SAFETY

ENHANCE SAFETY & PRODUCTIVITY

Lower dust levels, increase visibility, maintain haul road safety — know where and when to water.
With automated water delivery, the operator can remain focused on traffic and driving.
When the water tank is full, the auto shutoff feature prevents overfilling and results in increased component life.
Monitor tank fill from inside the cab
The water delivery system features automatic start and stop, based on truck speed, which eliminates overwatering at road intersections to improve safety for all vehicles on site.
Traction Control System (TCS) and Wet Disc Braking is standard on all four corners of the truck.
Automatic Retarding Control (ARC) for downhill grades.

EASY TO OPERATE

OPERATOR COMFORT

Next gen gear shift lever with integrated hoist and park brake controls for ease of operation.
Best-in-class touchscreen display for the operator to navigate through machine control system during interaction and service of the machine.
Improved rear visibility for the operator with new mirror package on both sides of the machine.
Lighting packages illuminate both to the side and front of the vehicle.
Factory-installed, integrated and durable ergonomic cab water controls are user-friendly and easy to learn.

OPTIMIZED PRODUCTIVITY

MEET YOUR PRODUCTION TARGETS

Properly watered haul roads directly impact fleet cycle times, enabling you to meet production targets.
Spend less time maintaining haul roads using proper watering techniques to solve overwatering and underwatering.
Prevent damage to trucks and reduce unplanned downtime with properly watered haul roads.
Pump features soft startup and shuts off automatically when the tank is empty, eliminating damage and preventing the pump from running dry.
The Cat 777 Off-Highway Truck provides best-in-class productivity and enhanced durability with upgraded engine, superior transmission controls, comfortable cabin, and increased fuel economy and torque – designed to offer a durable and low-cost machine for your applications.

EFFICIENCY & SUSTAINABILITY

CONSERVE WATER. USE ONLY WHAT YOU NEED.

The Cat Water Delivery System (WDS) helps you manage water effectively and sustainability — helping you do more with less.
WDS utilizes automatic start and stop to help eliminate overwatering at road intersections.
WDS provides variable water flow based on truck speed, ensuring most efficient water placement.
The water cannon operates while truck is idling, reducing fuel consumption by up to *50%.

*Results shown from Cat WDS cannon output. Testing was conducted at the Caterpillar Tucson Proving Ground with data captured from a production study. Results may vary.

BOOST FUEL EFFICIENCY

Improved fuel economy due to optimized fuel mapping of the engine.
Adaptive economy mode determines the most efficient engine operating point when the truck is operating at steady state condition.
Conserve fuel with integrated Engine Idle Shutdown by the engine automatically initiating when the truck is in park and idle for a preset amount of time.
Auto neutral idle saves fuel by reducing torque load when the engine is idling and minimizes the transmission component wear.

SCALABLE CONNECTIVITY

CONNECT WITH CAT® MINESTAR™

Cat MineStar for water uses cloud-based connectivity through cellular and WiFi connection to collect and manage data at any job site.
We offer two levels of connectivity (Basic & Premium*) to meet any customer need using Cat MineStar.
Water Solutions data can help ensure customers are meeting regulatory requirements.
View maps and dashboards of your operation to see how much your trucks are watering, where they are located, how much fuel they are using, and more.

BASIC CONNECTIVITY: EQUIPMENT TRACKING

“I need to know where my truck is located and when it’s watering.”

Basic Connectivity* automates fundamental data collection, eliminating paper recording by the operator.

Near-real-time and historical reporting.
Truck location and utilization data: routes, starts and stops.
Fuel and water level.
Whether or not the truck is spraying water.
Water Delivery System utilization (auto vs. manual mode).

*Based on equipment connectivity via WiFi or cellular data. Basic Connectivity Package comes standard with a 6-month complimentary service-based offering.

PREMIUM CONNECTIVITY: EQUIPMENT TRACKING + PRODUCTION RECORDING

“I need to understand fuel utilization, water cycle duration, and how much water the truck is using.”

Premium Connectivity* offers a comprehensive reporting package with data and detailed reports o help mine managers and operators improve watering techniques and efficiency.

Water usage by truck/fill station.
Volume of water output over time and area covered.
Water distribution rate, water delivery system
setting by location, truck, and conditions.
Activity breakdown including time and distance.
(watering, not watering, stopped, etc.)
View and export at least 6 weeks of historical data.

*Based on equipment connectivity via WiFi or cellular data.

PROVEN RELIABILITY AND SERVICEABILITY

SERVICING EASE

Hydraulically actuated brake system improves brake component life and reduces maintenance costs.
Convenient filters and fluid refill help make servicing of the machine faster.
New auto lubrication system to meet varying customer requirements by providing metered grease for all lube points on the machine without any manual intervention (optional attachment).
Hydraulic power port provides a quick disconnect system to allow dumping with external hydraulic source.
Engine and transmission sump oil level sensor protects the component and enhances the life.

INTEGRATION & SUPPORT

BACKED BY THE ONE YOU TRUST

Cat Water Solutions trucks are sold, serviced, and supported by the local Cat dealer you know and trust.
Full support of Cat dealer and parts network.
The truck is eligible for Equipment Protection Plans (EPP) & Customer Value Agreements (CVAs).

Standard Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

POWERTRAIN

Autostall
Engine idle shutdown
Air-To-Air Aftercooler (ATAAC)
Air cleaner with precleaner (2)
Automatic cold mode idle control
Electric priming pump
Electric cold weather start (two starters and four batteries)
Ether starting aid
Exhaust, muffler
Fuel filter/water separator
Turbocharger (2)
Braking system: – Extended Life Brakes – Brake wear indicator – Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes) – Brake release motor (towing) – Manual retarder (utilizes oil-cooled, multiple disc brakes) – Oil-cooled, multiple disc (front/rear) – Parking – Secondary – Service
Transmission – Auto neutral idle – APECS Software – ECPC
Part Throttle Shifting – 7-speed automatic powershift with Torque Shift Management Electronic Clutch Pressure Control – Body up-shift inhibitor – Directional shift management – Downshift inhibitor – Neutral start switch – Neutral coast inhibitor – Reverse shift inhibitor – Reverse neutralizer during dumping – Programmable top gear selection

SUSPENSION SYSTEMS

Suspension, rear

ELECTRICAL

Alarm, backup
Alternator, 115 ampere
Auxiliary jump start receptacle
Batteries, maintenance-free, 12V (4), 190 amp-hour
Electrical system, 25 AMP, 24V to 12V converter
Lighting system – Backup light (halogen) – Directional signals/hazard warning, (front and rear LED) – Headlights, (halogen) with dimmer – Payload, indicator lights – Operator access courtesy lights – Side profile lights – Stop/tail lights (LED) – Service lights

OPERATOR ENVIRONMENT

Air conditioning
Ashtray and cigarette lighter
Coat hook
Cup holders (4)
Diagnostic connection port, 24V
Entertainment Radio Ready – 5 amp converter – Speakers – Antenna – Wiring harness
Gauges/indicators – Brake oil temperature gauge – Coolant temperature gauge – Hour meter – Tachometer – Engine overspeed indicator – Fuel level – Speedometer with odometer – Transmission gear indicator
Heater/defroster (11 070 kCal/43,930 BTU)
Auto temp control
Fluid level monitoring
Hoist lever
Horn, electric
Light – dome
Light – courtesy
Load counter, automatic
Advisor display
VIMS
TPMS
Foot rest
Mirrors – heated
Power port, 24V and 12V (2)
ROPS cab, insulated/sound suppressed
Cat Comfort Series III – Full air suspension – Retractable 3-point seat belt with shoulder harness
Steering wheel, padded, tilt and telescopic
Storage compartment
Sun visor
Throttle lock
Window, right side, hinged access/egress
Electric left side window control
Windshield wiper (intermittent) and washer
Tinted, laminated glass

CAT TECHNOLOGY PRODUCTS

Adaptive economy mode
Object detection (4 cameras, 4 radars)
Product Link™ Ready (Level 1)
TKPH/TMPH (Tons Kilometer Per Hour/ Tons Mile Per Hour)
Work Area Vision System (WAVS)
Cat MineStar™: Level 1 - Basic (Equipment Tracking)*
*Basic connectivity package comes standard on all Cat Water Solutions trucks with a 6-month complimentary service-based offering

GUARDS

Engine crankcase
Driveline
Fan and A/C

FLUIDS

Extended Life Coolant to –35° C (–30° F)

OTHER STANDARD EQUIPMENT

Body mounting group
Body safety pin (secures body in up position)
Body down indicator
CD-ROM parts book
Center-mounted rims
Fuel tank (1136 L/300 gal)
Ground level battery disconnect
Ground level engine shutdown
Ground level grease fittings
Reservoirs (separate) – Brake/hoist – Steering – Transmission/torque converter
Rims 19.5 × 49
Rock ejectors
Supplemental steering (automatic)
Tie down eyes
Tow hooks (front)/Tow pin (rear)
Vandalism protection locks
Wiggins fast fuel
Traction Control System (TCS) (new version)
Attachment Zone

CAT WATER DELIVERY SYSTEM (WDS)

Controls: Factory installed and integrated into cab
Water System Monitor: integrated into cab, programmable spray configurations, automatic diagnostic messages
Variable Hydraulic Pump Drive: 6814 L/min (1,800 gal/min) at speeds of 4 kph to 40 kph (3 to 25 mph) with auto shut-off and soft startup
Stainless Steel Spray Heads: maintenance free, patented design resists corrosion
Independent Hydraulic Cooling System: minimizes overheating
Water Cannon: hydraulically controlled, integrated joystick with cab controls, optional nozzles
Parts and service available through global Cat dealer network

Optional Equipment

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

Downloads

777 Water Truck Technical Specs Download

Cat Water Solutions Brochure Download

Cat Water Delivery System Download

Cat MineStar Edge for Water Download

Overview

Longer description goes here

Engine

UNITS:

Metric

Imperial

Engine Model	Cat® C32B	Cat® C32B
Gross Power - SAE J1995:2014	765 kW	1026 hp
Engine Speed	1800 r/min	1800 r/min
Net Power - SAE J1349:2011	711 kW	953 hp
Emissions	Fuel Optimized	Fuel Optimized
Cylinders	12	12
Bore	145 mm	5.7 in
Stroke	162 mm	6.4 in
Displacement	32.1 l	1959 in³
Note (1)	Net Power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 1,800 rpm.	Net Power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler, and alternator with engine speed at 1,800 rpm.
Note (2)	No engine derating required up to 3048 m (10,000 ft) altitude.	No engine derating required up to 3048 m (10,000 ft) altitude.
Note (3)	Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 2.	Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 2.

Cat Water Delivery System (WDS)

Maximum water flow	6814 l/min	1800 gal(US)/min
Water per spray head (minimum)	132.5 l/min	35 gal(US)/min
Water per spray head (maximum)	2271 l/min	600 gal(US)/min
Spray head opening range (minimum)	1 mm	0.04 in
Spray head opening range (maximum)	19 mm	0.75 in
Maximum size debris flushed through spray head	19 mm	0.75 in
Spray system hydraulic tank capacity	27.5 l	7.25 gal (US)
Maximum number of rear spray heads	5	5
Minimum number of rear spray heads (recommended 3)	2	2
Minimum number of front/side spray heads	2	2
Maximum number of front/side spray heads	0	0
Maximum water from cannon (idle)	2271 l/min	600 gal(US)/min
Maximum water from cannon (high idle)	6246 l/min	1650 gal(US)/min
Maximum cannon spray distance	61 m	200 ft
Type	Wet water pump/hydraulic motor coupling	Wet water pump/hydraulic motor coupling
Note	Operator selectable coverage: 0.1 - 0.8 L/m² (4 kph - 40 kph) / 0.05 - 0.2 gal/ft² (3 mph - 25 mph). Coverage rates above 0.6 L/m² may not be available at higher speeds depending on head count and configuration.	Operator selectable coverage: 0.1 - 0.8 L/m² (4 kph - 40 kph) / 0.05 - 0.2 gal/ft² (3 mph - 25 mph). Coverage rates above 0.6 L/m² may not be available at higher speeds depending on head count and configuration.
Note (1)	Spray head opening is automatically controlled by the system to achieve Auto Mode Coverage or manual mode flow rate.	Spray head opening is automatically controlled by the system to achieve Auto Mode Coverage or manual mode flow rate.
Note (2)	The Auto Mode setting controls water coverage and automatically adjusts to the number of spray heads being used — independent of ground speed. This is an exclusive feature designed into the Cat WDS software to help water more efficiently. Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate.	The Auto Mode setting controls water coverage and automatically adjusts to the number of spray heads being used — independent of ground speed. This is an exclusive feature designed into the Cat WDS software to help water more efficiently. Water flow is continually adjusted during operation to conserve water and achieve desired coverage and flow rate.
Note (3)	Alternatively, manual mode allows the operator to set a water flow rate that is constant regardless of ground speed. This mode is not recommended for daily operation and will reduce watering efficiency and may increase fuel usage.	Alternatively, manual mode allows the operator to set a water flow rate that is constant regardless of ground speed. This mode is not recommended for daily operation and will reduce watering efficiency and may increase fuel usage.
Note (4)	Spray heads on competitive water distribution systems require tools and maintenance to change flow and spray pattern. Caterpillar is the only company to have variable active spray heads to regulate water spray.	Spray heads on competitive water distribution systems require tools and maintenance to change flow and spray pattern. Caterpillar is the only company to have variable active spray heads to regulate water spray.
Note (5)	Cannon performance depends on nozzle orifice and pipe size.	Cannon performance depends on nozzle orifice and pipe size.

Tank Configurations

Water Tank Capacity	up to 75 700 L (20,000 gal)	up to 75 700 L (20,000 gal)
Note	Multiple tank configurations are offered based on customer preference and regional locations. Water Tank Capacity Range: 75 400 - 75 700 L (19,900 - 20,000 gal)	Multiple tank configurations are offered based on customer preference and regional locations. Water Tank Capacity Range: 75 400 - 75 700 L (19,900 - 20,000 gal)
Machine Weight (with water tank full)	315,365 - 327,964 lb / 143 047 - 148 762 kg	315,365 - 327,964 lb / 143 047 - 148 762 kg
Empty Machine Operating Weight (without water / with fuel)	151,204 - 153,221 lb / 68 585 - 69 500 kg	151,204 - 153,221 lb / 68 585 - 69 500 kg
Water Tank - Max Empty Weight (no WDS)	42,983 - 44,092 lb / 19 497 - 20 000 kg	42,983 - 44,092 lb / 19 497 - 20 000 kg
Note (1)	Cat branded tanks include additional features and options commonly selected by customers in the industry. Splash guards, fill chute, and rock ejectors are standard.	Cat branded tanks include additional features and options commonly selected by customers in the industry. Splash guards, fill chute, and rock ejectors are standard.
Note (2)	Hoist cylinder mounting on all tank offerings enhances serviceability.	Hoist cylinder mounting on all tank offerings enhances serviceability.

Operating Specifications

Top Speed - Loaded	67.1 km/h	41.7 mile/h
Note	Water Tank Capacity Range: 69 700 - 75 700 L (18,400 - 20,000 gal)	Water Tank Capacity Range: 69 700 - 75 700 L (18,400 - 20,000 gal)
Note (2)	Operator selectable coverage: 0.2-0.8 L/m² (4 kph - 40 kph) / 0.5-0.2 gal/ft² (3 mph - 25 mph)	Operator selectable coverage: 0.2-0.8 L/m² (4 kph - 40 kph) / 0.5-0.2 gal/ft² (3 mph - 25 mph)

Weights - Approximate

Target Gross Machine Weight	163360 kg	360148 lb
Chassis Weight	82022 kg	180827 lb

Transmission

Forward - 1	10.9 km/h	6.8 mile/h
Forward - 2	14.8 km/h	9.2 mile/h
Forward - 3	20.1 km/h	12.6 mile/h
Forward - 4	27.1 km/h	16.9 mile/h
Forward - 5	36.8 km/h	22.9 mile/h
Forward - 6	49.4 km/h	30.7 mile/h
Forward - 7	67.1 km/h	41.7 mile/h
Reverse	12.1 km/h	7.5 mile/h
Note	Maximum travel speeds with standard 27.00R49 (E4) tires.	Maximum travel speeds with standard 27.00R49 (E4) tires.

Final Drives

Differential Ratio	2.74:1	2.74:1
Planetary Ratio	7.00:1	7.00:1
Total Reduction Ratio	19.16:1	19.16:1

Braking System

Brake Surface - Front	2787 cm²	432 in²
Brake Surface - Rear	102116 cm²	15828 in²
Brake Standards	ISO 3450:2011	ISO 3450:2011

Body Hoists

Body Raise Time - High Idle	15 s	15 s
Body Lower Time - Float	13 s	13 s
Body Lower Time - High Idle	13 s	13 s

Weight Distributions - Approximate

Front Axle - Empty	46 %	46 %
Front Axle - Loaded	30 %	30 %
Rear Axle - Empty	54 %	54 %
Rear Axle - Loaded	70 %	70 %

Suspension

Effective Cylinder Stroke - Front	318 mm	12.5 in
Effective Cylinder Stroke - Rear	165 mm	6.5 in
Rear axle - Oscillation	5.4 °	5.4 °

Steering

Steering Standards	ISO 5010:2007	ISO 5010:2007
Steer Angle	30.5 °	30.5 °
Turning Diameter - Front	25.3 m	83 ft
Turning Circle - Clearance Diameter	28.4 m	93.2 ft

Tires

Standard Tire	27.00R49 (E4)	27.00R49 (E4)
Note (1)	Productive capabilities of the 777 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.	Productive capabilities of the 777 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2)	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.

Service Refill Capacities

Fuel Tank (1)	1140 l	300 gal (US)
Cooling System	212 l	56 gal (US)
Crankcase	115 l	30 gal (US)
Differentials	222 l	59 gal (US)
Steering System - Including Tank	60 l	16 gal (US)
Brake Hoist System	420 l	110 gal (US)
Torque Converter - Transmission System	125 l	33 gal (US)

Cab

Air Conditioning	42789 Btu/kWh	18390 Btu/lb
Heater / Defroster	11070 kJ/kg	43930 Btu
ROPS Standards (1)	Rollover protective structure (ROPS) cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.	Rollover protective structure (ROPS) cab offered by Caterpillar meets ISO 3471:2008 for operator and ISO 13459:2012 for trainer.
FOPS Standards	Falling objects protective structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II FOPS for trainer.	Falling objects protective structure (FOPS) meets ISO 3449:2005 Level II for operator and ISO 13459:2012 Level II FOPS for trainer.
Note (1)	The dynamic operator sound pressure level is 80 dB(A) as per ISO 6396:2008 for cab offered by Caterpillar. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.	The dynamic operator sound pressure level is 80 dB(A) as per ISO 6396:2008 for cab offered by Caterpillar. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.

Features

ENHANCED SITE SAFETY

ENHANCE SAFETY & PRODUCTIVITY

Lower dust levels, increase visibility, maintain haul road safety — know where and when to water.
With automated water delivery, the operator can remain focused on traffic and driving.
When the water tank is full, the auto shutoff feature prevents overfilling and results in increased component life.
Monitor tank fill from inside the cab
The water delivery system features automatic start and stop, based on truck speed, which eliminates overwatering at road intersections to improve safety for all vehicles on site.
Traction Control System (TCS) and Wet Disc Braking is standard on all four corners of the truck.
Automatic Retarding Control (ARC) for downhill grades.

EASY TO OPERATE

OPERATOR COMFORT

Next gen gear shift lever with integrated hoist and park brake controls for ease of operation.
Best-in-class touchscreen display for the operator to navigate through machine control system during interaction and service of the machine.
Improved rear visibility for the operator with new mirror package on both sides of the machine.
Lighting packages illuminate both to the side and front of the vehicle.
Factory-installed, integrated and durable ergonomic cab water controls are user-friendly and easy to learn.

OPTIMIZED PRODUCTIVITY

MEET YOUR PRODUCTION TARGETS

Properly watered haul roads directly impact fleet cycle times, enabling you to meet production targets.
Spend less time maintaining haul roads using proper watering techniques to solve overwatering and underwatering.
Prevent damage to trucks and reduce unplanned downtime with properly watered haul roads.
Pump features soft startup and shuts off automatically when the tank is empty, eliminating damage and preventing the pump from running dry.
The Cat 777 Off-Highway Truck provides best-in-class productivity and enhanced durability with upgraded engine, superior transmission controls, comfortable cabin, and increased fuel economy and torque – designed to offer a durable and low-cost machine for your applications.

EFFICIENCY & SUSTAINABILITY

CONSERVE WATER. USE ONLY WHAT YOU NEED.

The Cat Water Delivery System (WDS) helps you manage water effectively and sustainability — helping you do more with less.
WDS utilizes automatic start and stop to help eliminate overwatering at road intersections.
WDS provides variable water flow based on truck speed, ensuring most efficient water placement.
The water cannon operates while truck is idling, reducing fuel consumption by up to *50%.

*Results shown from Cat WDS cannon output. Testing was conducted at the Caterpillar Tucson Proving Ground with data captured from a production study. Results may vary.

BOOST FUEL EFFICIENCY

Improved fuel economy due to optimized fuel mapping of the engine.
Adaptive economy mode determines the most efficient engine operating point when the truck is operating at steady state condition.
Conserve fuel with integrated Engine Idle Shutdown by the engine automatically initiating when the truck is in park and idle for a preset amount of time.
Auto neutral idle saves fuel by reducing torque load when the engine is idling and minimizes the transmission component wear.

SCALABLE CONNECTIVITY

CONNECT WITH CAT® MINESTAR™

Cat MineStar for water uses cloud-based connectivity through cellular and WiFi connection to collect and manage data at any job site.
We offer two levels of connectivity (Basic & Premium*) to meet any customer need using Cat MineStar.
Water Solutions data can help ensure customers are meeting regulatory requirements.
View maps and dashboards of your operation to see how much your trucks are watering, where they are located, how much fuel they are using, and more.

BASIC CONNECTIVITY: EQUIPMENT TRACKING

“I need to know where my truck is located and when it’s watering.”

Basic Connectivity* automates fundamental data collection, eliminating paper recording by the operator.

Near-real-time and historical reporting.
Truck location and utilization data: routes, starts and stops.
Fuel and water level.
Whether or not the truck is spraying water.
Water Delivery System utilization (auto vs. manual mode).

*Based on equipment connectivity via WiFi or cellular data. Basic Connectivity Package comes standard with a 6-month complimentary service-based offering.

PREMIUM CONNECTIVITY: EQUIPMENT TRACKING + PRODUCTION RECORDING

Water usage by truck/fill station.
Volume of water output over time and area covered.
Water distribution rate, water delivery system
setting by location, truck, and conditions.
Activity breakdown including time and distance.
(watering, not watering, stopped, etc.)
View and export at least 6 weeks of historical data.

*Based on equipment connectivity via WiFi or cellular data.

PROVEN RELIABILITY AND SERVICEABILITY

SERVICING EASE

Hydraulically actuated brake system improves brake component life and reduces maintenance costs.
Convenient filters and fluid refill help make servicing of the machine faster.
New auto lubrication system to meet varying customer requirements by providing metered grease for all lube points on the machine without any manual intervention (optional attachment).
Hydraulic power port provides a quick disconnect system to allow dumping with external hydraulic source.
Engine and transmission sump oil level sensor protects the component and enhances the life.

INTEGRATION & SUPPORT

BACKED BY THE ONE YOU TRUST

Cat Water Solutions trucks are sold, serviced, and supported by the local Cat dealer you know and trust.
Full support of Cat dealer and parts network.
The truck is eligible for Equipment Protection Plans (EPP) & Customer Value Agreements (CVAs).

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

POWERTRAIN

Autostall
Engine idle shutdown
Air-To-Air Aftercooler (ATAAC)
Air cleaner with precleaner (2)
Automatic cold mode idle control
Electric priming pump
Electric cold weather start (two starters and four batteries)
Ether starting aid
Exhaust, muffler
Fuel filter/water separator
Turbocharger (2)
Braking system: – Extended Life Brakes – Brake wear indicator – Automatic Retarder Control (ARC) (utilizes oil-cooled, multiple disc brakes) – Brake release motor (towing) – Manual retarder (utilizes oil-cooled, multiple disc brakes) – Oil-cooled, multiple disc (front/rear) – Parking – Secondary – Service
Transmission – Auto neutral idle – APECS Software – ECPC
Part Throttle Shifting – 7-speed automatic powershift with Torque Shift Management Electronic Clutch Pressure Control – Body up-shift inhibitor – Directional shift management – Downshift inhibitor – Neutral start switch – Neutral coast inhibitor – Reverse shift inhibitor – Reverse neutralizer during dumping – Programmable top gear selection

SUSPENSION SYSTEMS

Suspension, rear

ELECTRICAL

Alarm, backup
Alternator, 115 ampere
Auxiliary jump start receptacle
Batteries, maintenance-free, 12V (4), 190 amp-hour
Electrical system, 25 AMP, 24V to 12V converter
Lighting system – Backup light (halogen) – Directional signals/hazard warning, (front and rear LED) – Headlights, (halogen) with dimmer – Payload, indicator lights – Operator access courtesy lights – Side profile lights – Stop/tail lights (LED) – Service lights

OPERATOR ENVIRONMENT

Air conditioning
Ashtray and cigarette lighter
Coat hook
Cup holders (4)
Diagnostic connection port, 24V
Entertainment Radio Ready – 5 amp converter – Speakers – Antenna – Wiring harness
Gauges/indicators – Brake oil temperature gauge – Coolant temperature gauge – Hour meter – Tachometer – Engine overspeed indicator – Fuel level – Speedometer with odometer – Transmission gear indicator
Heater/defroster (11 070 kCal/43,930 BTU)
Auto temp control
Fluid level monitoring
Hoist lever
Horn, electric
Light – dome
Light – courtesy
Load counter, automatic
Advisor display
VIMS
TPMS
Foot rest
Mirrors – heated
Power port, 24V and 12V (2)
ROPS cab, insulated/sound suppressed
Cat Comfort Series III – Full air suspension – Retractable 3-point seat belt with shoulder harness
Steering wheel, padded, tilt and telescopic
Storage compartment
Sun visor
Throttle lock
Window, right side, hinged access/egress
Electric left side window control
Windshield wiper (intermittent) and washer
Tinted, laminated glass

CAT TECHNOLOGY PRODUCTS

Adaptive economy mode
Object detection (4 cameras, 4 radars)
Product Link™ Ready (Level 1)
TKPH/TMPH (Tons Kilometer Per Hour/ Tons Mile Per Hour)
Work Area Vision System (WAVS)
Cat MineStar™: Level 1 - Basic (Equipment Tracking)*
*Basic connectivity package comes standard on all Cat Water Solutions trucks with a 6-month complimentary service-based offering

GUARDS

Engine crankcase
Driveline
Fan and A/C

FLUIDS

Extended Life Coolant to –35° C (–30° F)

OTHER STANDARD EQUIPMENT

Body mounting group
Body safety pin (secures body in up position)
Body down indicator
CD-ROM parts book
Center-mounted rims
Fuel tank (1136 L/300 gal)
Ground level battery disconnect
Ground level engine shutdown
Ground level grease fittings
Reservoirs (separate) – Brake/hoist – Steering – Transmission/torque converter
Rims 19.5 × 49
Rock ejectors
Supplemental steering (automatic)
Tie down eyes
Tow hooks (front)/Tow pin (rear)
Vandalism protection locks
Wiggins fast fuel
Traction Control System (TCS) (new version)
Attachment Zone

CAT WATER DELIVERY SYSTEM (WDS)

Controls: Factory installed and integrated into cab
Water System Monitor: integrated into cab, programmable spray configurations, automatic diagnostic messages
Variable Hydraulic Pump Drive: 6814 L/min (1,800 gal/min) at speeds of 4 kph to 40 kph (3 to 25 mph) with auto shut-off and soft startup
Stainless Steel Spray Heads: maintenance free, patented design resists corrosion
Independent Hydraulic Cooling System: minimizes overheating
Water Cannon: hydraulically controlled, integrated joystick with cab controls, optional nozzles
Parts and service available through global Cat dealer network

NOTE

Standard and optional equipment may vary. Consult your Cat dealer for details.

Downloads

777 Water Truck Technical Specs Download

Cat Water Solutions Brochure Download

Cat Water Delivery System Download

Cat MineStar Edge for Water Download

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Overview

Features

ENHANCED SITE SAFETY

ENHANCE SAFETY & PRODUCTIVITY

EASY TO OPERATE

OPERATOR COMFORT

OPTIMIZED PRODUCTIVITY

MEET YOUR PRODUCTION TARGETS

EFFICIENCY & SUSTAINABILITY

CONSERVE WATER. USE ONLY WHAT YOU NEED.

BOOST FUEL EFFICIENCY

SCALABLE CONNECTIVITY

CONNECT WITH CAT® MINESTAR™

BASIC CONNECTIVITY: EQUIPMENT TRACKING

PREMIUM CONNECTIVITY: EQUIPMENT TRACKING + PRODUCTION RECORDING

PROVEN RELIABILITY AND SERVICEABILITY

SERVICING EASE

INTEGRATION & SUPPORT

BACKED BY THE ONE YOU TRUST

Standard Equipment

Optional Equipment

Downloads

Specifications

Overview

Features

Features

ENHANCED SITE SAFETY

ENHANCE SAFETY & PRODUCTIVITY

EASY TO OPERATE

OPERATOR COMFORT

OPTIMIZED PRODUCTIVITY

MEET YOUR PRODUCTION TARGETS

EFFICIENCY & SUSTAINABILITY

CONSERVE WATER. USE ONLY WHAT YOU NEED.

BOOST FUEL EFFICIENCY

SCALABLE CONNECTIVITY

CONNECT WITH CAT® MINESTAR™

BASIC CONNECTIVITY: EQUIPMENT TRACKING

PREMIUM CONNECTIVITY: EQUIPMENT TRACKING + PRODUCTION RECORDING

PROVEN RELIABILITY AND SERVICEABILITY

SERVICING EASE

INTEGRATION & SUPPORT

BACKED BY THE ONE YOU TRUST

Standard Equipment

Optional Equipment

Downloads

Downloads

Related Products