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Wheel Loaders

990

Cat Large Wheel Loaders are designed with durability built in, ensuring maximum availability through multiple life cycles. With optimized performance and simplified serviceability, our machines allow you to move more material efficiently and safely at a lower cost per ton. The Cat 990 Wheel Loader has been a proven performer in mines, quarries and industrial applications around the world. The 990 brings all new levels of performance, safety, operator comfort and efficiency.

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Overview

Engine

UNITS:

Metric

Imperial

Engine Model	C27 Cat®	C27 Cat®
Rated Speed	1,800/min	1,800/min
Engine Power - ISO 14396:2002	561 kW	752 hp
Gross Power - SAE J1995:2014	571 kW	766 hp
Net Power - SAE J1349 - Standard Ambient	521 kW	699 hp
Net Power - SAE J1349 - High Ambient	483 kW	648 hp
Bore	137.2 mm	5.4 in
Stroke	152.4 mm	6 in
Displacement	27.03 l	1649.5 in³
Peak Torque - 1,200 rpm	3557 N·m	2624 lb/ft
Torque Rise	18 %	18 %
Emissions	U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent	U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent

Transmission

Transmission Type	Cat planetary power shift	Cat planetary power shift
Forward - 1	7.3 km/h	4.5 mile/h
Forward - 2	13.3 km/h	8.3 mile/h
Forward - 3	22.9 km/h	14.2 mile/h
Reverse - 1	7.9 km/h	4.9 mile/h
Reverse - 2	14.7 km/h	9.1 mile/h
Reverse - 3	24.9 km/h	15.5 mile/h
Direct Drive - Forward 1	Lock-up disabled	Lock-up disabled
Direct Drive - Forward 2	13.7 km/h	8.5 mile/h
Direct Drive - Forward 3	24.5 km/h	15.2 mile/h
Direct Drive - Reverse 1	8.7 km/h	5.4 mile/h
Direct Drive - Reverse 2	15.4 km/h	9.6 mile/h
Direct Drive - Reverse 3	26.4 km/h	16.4 mile/h
Note	Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.	Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Operating Specifications

Operating Weight	80974 kg	178517 lb
Rated Payload - Standard	15.9 t	17.5 ton (US)
Rated Payload - High Lift	15.9 t	17.5 ton (US)
Bucket Capacity Range	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Cat Truck Match - Standard	773-775	773-775
Cat Truck Match - High Lift	775-777	775-777

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit	Positive flow control	Positive flow control
Lift/Tilt System	Variable displacement piston	Variable displacement piston
Maximum Flow at 1,800 rpm (1)	910 l/min	240 gal/min
Cylinders, Double Acting - Lift, Bore and Stroke	235 mm × 1287 mm (9.3 in × 50.7 in)	235 mm × 1287 mm (9.3 in × 50.7 in)
Cylinders, Double Acting - Tilt, Bore and Stroke	292.1 mm × 820 mm (11.5 in × 32.3 in)	292.1 mm × 820 mm (11.5 in × 32.3 in)
Pilot System	Open loop and pressure reducing	Open loop and pressure reducing
Relief Valve Setting - Main	3500 kPa	507 psi
Relief Valve Setting - Lift/Tilt	33000 kPa	4786 psi

Hydraulic Cycle Times

Rack Back	4.3 s	4.3 s
Raise	8.2 s	8.2 s
Dump	2.9 s	2.9 s
Lower	3.7 s	3.7 s
Lower Float Down	3.6 s	3.6 s
Total Hydraulic Cycle Time - Empty Bucket	13.8 s	13.8 s

Hydraulic System - Steering

Steering System - Circuit	Pilot, load sensing	Pilot, load sensing
Steering System - Pump	Piston, variable displacement	Piston, variable displacement
Maximum Flow at 1,400 rpm	364 l/min	96.2 gal/min
Relief Valve Setting - Steering	34500 kPa	5004 psi
Total Steering Angle	70°	70°

Air Conditioning System

Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).

Axles

Front	Fixed	Fixed
Rear	Trunnion	Trunnion
Oscillation Angle	8.5°	8.5°

Brakes

Brakes	ISO 3450: 2011	ISO 3450: 2011

Service Refill Capacities

Fuel Tank	1114 l	294.3 gal (US)
Cooling System	208 l	54.9 gal (US)
Engine Crankcase	75.7 l	20 gal (US)
Transmission	110 l	29.1 gal (US)
Differential - Final Drives - Front	271 l	71.6 gal (US)
Differential - Final Drives - Rear	261 l	68.9 gal (US)
Hydraulic System Factory Fill	795 l	210 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan	261 l	68.9 gal (US)
Hydraulic Tank - Steering and Braking	132 l	34.9 gal (US)
Note	All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214. Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required. For further fluid specifications and guidelines, visit: http://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf.	All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214. Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required. For further fluid specifications and guidelines, visit: http://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf.

Sound Performance - Standard

Operator Sound Level (ISO 6396:2008)	65.5 dB(A)	65.5 dB(A)
Machine Sound Level (ISO 6395:2008)	115 dB(A)	115 dB(A)

Sound Performance - Suppression

Operator Sound Level (ISO 6396:2008)	65.5 dB(A)	65.5 dB(A)
Machine Sound Level (ISO 6395:2008)	113 dB(A)	113 dB(A)

Buckets

Bucket Capacities	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)

Features

PROVEN RELIABILITY

Cat C27 engine is built and tested to meet your most demanding applications.
Longer engine life and improved fuel efficiency with reduced rated speed.
Designed for longer life, rebuildability, and higher resale value.
Maximum responsiveness with Steering and Integrated Control (STIC™).
Moves more material more efficiently with improved power and control.
Durable construction withstands the toughest loading conditions and multiple life cycles.

PERFORMANCE AND PRODUCTIVITY

Two engine emission options are available that meet U.S. EPA Tier 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent.
Up to 10% more payload per pass on truck-loading applications with Performance Series Buckets.
Payload increase to optimize pass on 775 trucks.
Positive Flow Control (PFC) hydraulic system increases efficiency, bucket feel, and responsiveness with consistent performance.
Excellent visibility to the bucket edges and work area through a Z-bar linkage.
Planetary power shift transmission for maximum uptime.
Convenient, responsive, electro-hydraulic controls increase operator productivity.
Superior digging, higher bucket fill factors, reduced dig times.
Integrated steering and transmission controls.
Operators can check tire pressure during operation with any change sending a fault code to VisionLink®, preventing premature tire failure.

POWERFUL EFFICIENCY

Up to 54% fuel efficiency material per gallon of fuel (27% less fuel consumption).
Economy mode for reduced rated engine speed and reduced fuel consumption.
Positive flow-control hydraulics for full flow on demand at lower engine speeds.
Engine Idle Shutdown for less fuel used while idling.
Fully integrated electronic engine controls make your fuel go farther.

PRODUCTIVITY WITH TECHNOLOGY

Developed to monitor, manage, and enhance your jobsite operations.
Payload provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the jobsite.
VisionLink wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business.
Gain valuable insight into how your machine or fleet is performing.
Optional Advanced Productivity subscription provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.

*Not legal for trade

SAVE ON SERVICE AND MAINTENANCE

10% lower maintenance costs.
Grouped service points.
Electro-hydraulic controls.
Swing-out engine compartment service doors.
Ecology drains to prevent spilled contaminants.
Ground level access to transmission control valves.
Vehicle Information Management System (VIMS™) notifications to resolve problems before failure.
Longer life, rebuildability, and high resale value.

SAFETY FIRST

Standard stairway lighting.
Left- and right-hand stairs with 45-degree angle.
Standard Cat Vision, rear vision camera system.
Pressurized cabin with filtered and reduced sound levels.

OPERATOR COMFORT AND CONTROL

Best-in-class operator comfort and ergonomics.
Premium seat with heated and actively cooled leather, adjustable lumbar support, air adjustable bolsters on the seat and backrest, seat cushion tilt adjustment, and adjustable-length seat cushion.
Easy-to-reach levers and controls with seat-mounted implement pod to reduce fatigue.
Ergonomic switch placement and displays with large backlit switches, LED indicators, and ISO symbols.
Optional heated mirrors.
Two-position rocker switch activates the electro-hydraulic parking brake.
Reduced vibrations from isolated cab mounts and seat air suspension.
Automatic cab temperature controls.
Achieve precise positioning for easy loading in tight areas with 35 degrees of steering articulation.
Precise machine control by load-sensing hydraulic steering system.

PURPOSE BUILT SPECIALTY MODELS - MILLYARD

Designed to meet the demands of millyard applications.
Designed for durability, ensuring availability in multiple life cycles.
Equipped with Economy Mode to save on fuel consumption by the use of On Demand Throttle.
Equipped with Impleller Clutch Torque Convereter (ICTC) and Rimpull Control System (RCS) to reduce tire slippage and fuel efficiency.
Full hydraulic flow down to 1,400 engine rpm by using hydraulic flow sharing technology.
Equipped with 45 degree angle access ladders and standard Cat Vision for enhanced safety.
Cat forks are designed for maximum productivity and durability.
Integrates front camera mounting location for maximum visibility to the entire fork tips during truck unloading.

PURPOSE BUILT SPECIALTY MODELS - STEEL MILL

World class safety, operator comfort and efficiency in pit digging and skull handling applications.
Efficiency of manual throttle and ergonomics of throttle lock.
Excellent visibility to the bucket edges and work area through a Z-bar design.
Equipped with extra heat protection to key hoses and harnesses for improved reliability.

LONG TERM VALUE AND DURABILITY

Best-in-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
Advanced filtration system for extended performance and reliability of the hydraulic system.
Advanced Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS) reduce tire slippage and wear, improve fuel efficiency, and reduce cost-per-ton.
Linkage pin joints have optional auto-lube system to ensure long life.
Frame resists torsional shock and twisting forces.
Heavy-duty steering cylinder mounts and axle mounting ensure increased structural integrity.

Standard Equipment

NOTE

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

OPERATOR ENVIRONMENT

Air conditioner and heater with automatic temperature control
Cab, sound-suppressed pressurized, protective structure (ROPS/FOPS)
12V power port for mobile phone or laptop connection
Cat Vision, rear vision camera system
Cigar lighter and ashtray
Coat hook
Electro-hydraulic tilt and lift controls (seat mounted)
Flip-up armrest
Heater and defroster
Horn, electric
Implement hydraulic lockout
Instrumentation, gauges: – Engine coolant temperature – Fuel level – Ground speed – Gear – Hydraulic oil temperature – Speedometer/tachometer – Torque converter temperature
Instrumentation, warning indicators: – Action alert system, three category – Automatic transmission model enable status – Brake malfunction – Bucket float status – Delayed engine shutdown status – Engine idle shutdown status – Engine malfunction – Fuel economy mode enable status – Hydraulic lockout – Lockup clutch enable status – Low fuel level – Parking brake status – Rimpull control enable status – Seatbelt warning – Secondary steering (if equipped) – Throttle lock status – Transmission gear
Keypad, control with indicator lights: – Auto trans mode speed range – Auto/manual transmission mode – Fuel economy mode – Implement kickout – Lockup clutch – Reduced rimpull – Throttle lock
Light, dome (cab)
Lunchbox and beverage holders
Mirrors, rearview (externally mounted)
Seat, leather/cloth, air suspension, heated/cooled
Seat belt, retractable, 76 mm (3 in) wide
STIC control system with steering lock
Tinted glass
Trainer seat with lap belt
Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles, cycle timer, and integral Cat Production Measurement – Wet-arm wipers/washers (front, rear and corner) intermittent front wiper

POWER TRAIN

Brakes, full hydraulic, enclosed, oil-disc
Axle-shaft oil-disc service brake
Electro hydraulic parking brake
Case drain screens
Cat clean emission module (Tier 4 only)
Demand fan
Engine Cat C27
Fuel priming pump (electric)
Ground level engine shutoff, bumper
Mufflers (under hood) (Tier 2 equivalent only)
Precleaner, engine air intake
Radiator, Aluminum Modular (AMR)
Separated cooling system
Starting aid, (ether) manual override
Throttle Lock
Torque Converter, Impeller Clutch with lock-up clutch feature and rimpull control system
Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)

ELECTRICAL

Alarm, back-up
Alternator, 150 amp
Batteries, maintenance free (2 – 1,400 CCA)
Converter, 10/15 amp, 24V to 12V
Deutsch component connectors
Electrical system, 24V
Electronic transmission control
Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
Starter, electric
Starter lockout in bumper
Starting receptacle for emergency start
Transmission lockout in bumper

OTHER

Automatic bucket tilt/lift kickouts electronically adjustable from cab
Axle temperature sensor
Battery disconnect and jump start receptacle, bumper
Coupling, Caterpillar O-ring face seals
Economy mode with on demand throttle
Emergency platform egress
Engine, crankcase, 500 hour interval with CH4
Engine idle management features: – Auto idle kickdown – Delayed engine shutdown – Engine idle shutdown
Fenders, steel (front)
Guards, crankcase and power train
Grouped/labeled lube points
Hitch, drawbar with pin
Hoses, Cat XT™
Oil sampling valves
Positive flow control hydraulic system
Product Link
Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
Stairway, left and right rear access
Steering, load sensing
Toe kicks
Vandalism protection caplocks
Venturi stack
Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)

Optional Equipment

NOTE

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

Downloads

990 Key Features (Global)Download

990 Technical Specifications (Global)Download

Overview

Engine

UNITS:

Metric

Imperial

Engine Model	C27 Cat®	C27 Cat®
Rated Speed	1,800/min	1,800/min
Engine Power - ISO 14396:2002	561 kW	752 hp
Gross Power - SAE J1995:2014	571 kW	766 hp
Net Power - SAE J1349 - Standard Ambient	521 kW	699 hp
Net Power - SAE J1349 - High Ambient	483 kW	648 hp
Bore	137.2 mm	5.4 in
Stroke	152.4 mm	6 in
Displacement	27.03 l	1649.5 in³
Peak Torque - 1,200 rpm	3557 N·m	2624 lb/ft
Torque Rise	18 %	18 %
Emissions	U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent	U.S. EPA TIer 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent

Transmission

Transmission Type	Cat planetary power shift	Cat planetary power shift
Forward - 1	7.3 km/h	4.5 mile/h
Forward - 2	13.3 km/h	8.3 mile/h
Forward - 3	22.9 km/h	14.2 mile/h
Reverse - 1	7.9 km/h	4.9 mile/h
Reverse - 2	14.7 km/h	9.1 mile/h
Reverse - 3	24.9 km/h	15.5 mile/h
Direct Drive - Forward 1	Lock-up disabled	Lock-up disabled
Direct Drive - Forward 2	13.7 km/h	8.5 mile/h
Direct Drive - Forward 3	24.5 km/h	15.2 mile/h
Direct Drive - Reverse 1	8.7 km/h	5.4 mile/h
Direct Drive - Reverse 2	15.4 km/h	9.6 mile/h
Direct Drive - Reverse 3	26.4 km/h	16.4 mile/h
Note	Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.	Travel speeds based on Michelin 45/65R39 LD D2**L5 tires.

Operating Specifications

Operating Weight	80974 kg	178517 lb
Rated Payload - Standard	15.9 t	17.5 ton (US)
Rated Payload - High Lift	15.9 t	17.5 ton (US)
Bucket Capacity Range	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)
Cat Truck Match - Standard	773-775	773-775
Cat Truck Match - High Lift	775-777	775-777

Hydraulic System - Lift/Tilt

Lift/Tilt System - Circuit	Positive flow control	Positive flow control
Lift/Tilt System	Variable displacement piston	Variable displacement piston
Maximum Flow at 1,800 rpm (1)	910 l/min	240 gal/min
Cylinders, Double Acting - Lift, Bore and Stroke	235 mm × 1287 mm (9.3 in × 50.7 in)	235 mm × 1287 mm (9.3 in × 50.7 in)
Cylinders, Double Acting - Tilt, Bore and Stroke	292.1 mm × 820 mm (11.5 in × 32.3 in)	292.1 mm × 820 mm (11.5 in × 32.3 in)
Pilot System	Open loop and pressure reducing	Open loop and pressure reducing
Relief Valve Setting - Main	3500 kPa	507 psi
Relief Valve Setting - Lift/Tilt	33000 kPa	4786 psi

Hydraulic Cycle Times

Rack Back	4.3 s	4.3 s
Raise	8.2 s	8.2 s
Dump	2.9 s	2.9 s
Lower	3.7 s	3.7 s
Lower Float Down	3.6 s	3.6 s
Total Hydraulic Cycle Time - Empty Bucket	13.8 s	13.8 s

Hydraulic System - Steering

Steering System - Circuit	Pilot, load sensing	Pilot, load sensing
Steering System - Pump	Piston, variable displacement	Piston, variable displacement
Maximum Flow at 1,400 rpm	364 l/min	96.2 gal/min
Relief Valve Setting - Steering	34500 kPa	5004 psi
Total Steering Angle	70°	70°

Air Conditioning System

Air Conditioning	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 2.7 kg of refrigerant which has a CO2 equivalent of 3.861 metric tonnes (4.256 tons).

Axles

Front	Fixed	Fixed
Rear	Trunnion	Trunnion
Oscillation Angle	8.5°	8.5°

Brakes

Brakes	ISO 3450: 2011	ISO 3450: 2011

Service Refill Capacities

Fuel Tank	1114 l	294.3 gal (US)
Cooling System	208 l	54.9 gal (US)
Engine Crankcase	75.7 l	20 gal (US)
Transmission	110 l	29.1 gal (US)
Differential - Final Drives - Front	271 l	71.6 gal (US)
Differential - Final Drives - Rear	261 l	68.9 gal (US)
Hydraulic System Factory Fill	795 l	210 gal (US)
Hydraulic Tank - Implement and Hydraulic Fan	261 l	68.9 gal (US)
Hydraulic Tank - Steering and Braking	132 l	34.9 gal (US)
Note	All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214. Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required. For further fluid specifications and guidelines, visit: http://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf.	All nonroad U.S. EPA Tier 4 diesel engines are required to use only Ultra Low Sulfur Diesel (ULSD) fuels containing 15 ppm (mg/kg) sulfur or less. Biodiesel blends up to B20 (20% blend by volume) are acceptable when blended with 15 ppm (mg/kg) sulfur or less ULSD. B20 should meet ASTM D7467 specification (biodiesel blend stock should meet Cat biodiesel spec, ASTM D6751 or EN 14214. Cat DEO‑ULS™ or oils that meet the Cat ECF-3, API CJ‑4, and ACEA E9 specification are required. For further fluid specifications and guidelines, visit: http://parts.cat.com/cda/files/3244668/7/SEBU6250-19.pdf.

Sound Performance - Standard

Operator Sound Level (ISO 6396:2008)	65.5 dB(A)	65.5 dB(A)
Machine Sound Level (ISO 6395:2008)	115 dB(A)	115 dB(A)

Sound Performance - Suppression

Operator Sound Level (ISO 6396:2008)	65.5 dB(A)	65.5 dB(A)
Machine Sound Level (ISO 6395:2008)	113 dB(A)	113 dB(A)

Buckets

Bucket Capacities	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)	8.6 m³ – 10.0 m³ (11.25 yd³ – 13.0 yd³)

Features

PROVEN RELIABILITY

Cat C27 engine is built and tested to meet your most demanding applications.
Longer engine life and improved fuel efficiency with reduced rated speed.
Designed for longer life, rebuildability, and higher resale value.
Maximum responsiveness with Steering and Integrated Control (STIC™).
Moves more material more efficiently with improved power and control.
Durable construction withstands the toughest loading conditions and multiple life cycles.

PERFORMANCE AND PRODUCTIVITY

Two engine emission options are available that meet U.S. EPA Tier 4 Final and EU Stage V emission standards or U.S. EPA Tier 2 and EU Stage II equivalent.
Up to 10% more payload per pass on truck-loading applications with Performance Series Buckets.
Payload increase to optimize pass on 775 trucks.
Positive Flow Control (PFC) hydraulic system increases efficiency, bucket feel, and responsiveness with consistent performance.
Excellent visibility to the bucket edges and work area through a Z-bar linkage.
Planetary power shift transmission for maximum uptime.
Convenient, responsive, electro-hydraulic controls increase operator productivity.
Superior digging, higher bucket fill factors, reduced dig times.
Integrated steering and transmission controls.
Operators can check tire pressure during operation with any change sending a fault code to VisionLink®, preventing premature tire failure.

POWERFUL EFFICIENCY

Up to 54% fuel efficiency material per gallon of fuel (27% less fuel consumption).
Economy mode for reduced rated engine speed and reduced fuel consumption.
Positive flow-control hydraulics for full flow on demand at lower engine speeds.
Engine Idle Shutdown for less fuel used while idling.
Fully integrated electronic engine controls make your fuel go farther.

PRODUCTIVITY WITH TECHNOLOGY

Developed to monitor, manage, and enhance your jobsite operations.
Payload provides accurate weighing* of the materials you are loading and hauling. Payload data is displayed in real-time to improve productivity and reduce overloading.
Detect enhances awareness of the environment around working equipment and provides alerts to help keep people and assets safe on the jobsite.
VisionLink wirelessly connects you to your equipment, giving you access to essential information you need to know to run your business.
Gain valuable insight into how your machine or fleet is performing.
Optional Advanced Productivity subscription provides comprehensive actionable information to help you manage and improve the productivity and profitability of your operations.

*Not legal for trade

SAVE ON SERVICE AND MAINTENANCE

10% lower maintenance costs.
Grouped service points.
Electro-hydraulic controls.
Swing-out engine compartment service doors.
Ecology drains to prevent spilled contaminants.
Ground level access to transmission control valves.
Vehicle Information Management System (VIMS™) notifications to resolve problems before failure.
Longer life, rebuildability, and high resale value.

SAFETY FIRST

Standard stairway lighting.
Left- and right-hand stairs with 45-degree angle.
Standard Cat Vision, rear vision camera system.
Pressurized cabin with filtered and reduced sound levels.

OPERATOR COMFORT AND CONTROL

Best-in-class operator comfort and ergonomics.
Premium seat with heated and actively cooled leather, adjustable lumbar support, air adjustable bolsters on the seat and backrest, seat cushion tilt adjustment, and adjustable-length seat cushion.
Easy-to-reach levers and controls with seat-mounted implement pod to reduce fatigue.
Ergonomic switch placement and displays with large backlit switches, LED indicators, and ISO symbols.
Optional heated mirrors.
Two-position rocker switch activates the electro-hydraulic parking brake.
Reduced vibrations from isolated cab mounts and seat air suspension.
Automatic cab temperature controls.
Achieve precise positioning for easy loading in tight areas with 35 degrees of steering articulation.
Precise machine control by load-sensing hydraulic steering system.

PURPOSE BUILT SPECIALTY MODELS - MILLYARD

Designed to meet the demands of millyard applications.
Designed for durability, ensuring availability in multiple life cycles.
Equipped with Economy Mode to save on fuel consumption by the use of On Demand Throttle.
Equipped with Impleller Clutch Torque Convereter (ICTC) and Rimpull Control System (RCS) to reduce tire slippage and fuel efficiency.
Full hydraulic flow down to 1,400 engine rpm by using hydraulic flow sharing technology.
Equipped with 45 degree angle access ladders and standard Cat Vision for enhanced safety.
Cat forks are designed for maximum productivity and durability.
Integrates front camera mounting location for maximum visibility to the entire fork tips during truck unloading.

PURPOSE BUILT SPECIALTY MODELS - STEEL MILL

World class safety, operator comfort and efficiency in pit digging and skull handling applications.
Efficiency of manual throttle and ergonomics of throttle lock.
Excellent visibility to the bucket edges and work area through a Z-bar design.
Equipped with extra heat protection to key hoses and harnesses for improved reliability.

LONG TERM VALUE AND DURABILITY

Best-in-class transmission for long life and consistent, smooth shifting; specifically designed for mining applications.
Advanced filtration system for extended performance and reliability of the hydraulic system.
Advanced Impeller Clutch Torque Converter (ICTC) and Rimpull Control System (RCS) reduce tire slippage and wear, improve fuel efficiency, and reduce cost-per-ton.
Linkage pin joints have optional auto-lube system to ensure long life.
Frame resists torsional shock and twisting forces.
Heavy-duty steering cylinder mounts and axle mounting ensure increased structural integrity.

NOTE

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

OPERATOR ENVIRONMENT

Air conditioner and heater with automatic temperature control
Cab, sound-suppressed pressurized, protective structure (ROPS/FOPS)
12V power port for mobile phone or laptop connection
Cat Vision, rear vision camera system
Cigar lighter and ashtray
Coat hook
Electro-hydraulic tilt and lift controls (seat mounted)
Flip-up armrest
Heater and defroster
Horn, electric
Implement hydraulic lockout
Instrumentation, gauges: – Engine coolant temperature – Fuel level – Ground speed – Gear – Hydraulic oil temperature – Speedometer/tachometer – Torque converter temperature
Instrumentation, warning indicators: – Action alert system, three category – Automatic transmission model enable status – Brake malfunction – Bucket float status – Delayed engine shutdown status – Engine idle shutdown status – Engine malfunction – Fuel economy mode enable status – Hydraulic lockout – Lockup clutch enable status – Low fuel level – Parking brake status – Rimpull control enable status – Seatbelt warning – Secondary steering (if equipped) – Throttle lock status – Transmission gear
Keypad, control with indicator lights: – Auto trans mode speed range – Auto/manual transmission mode – Fuel economy mode – Implement kickout – Lockup clutch – Reduced rimpull – Throttle lock
Light, dome (cab)
Lunchbox and beverage holders
Mirrors, rearview (externally mounted)
Seat, leather/cloth, air suspension, heated/cooled
Seat belt, retractable, 76 mm (3 in) wide
STIC control system with steering lock
Tinted glass
Trainer seat with lap belt
Vital Information Management System (VIMS) 3G with graphical information display: external data port, customizable operator profiles, cycle timer, and integral Cat Production Measurement – Wet-arm wipers/washers (front, rear and corner) intermittent front wiper

POWER TRAIN

Brakes, full hydraulic, enclosed, oil-disc
Axle-shaft oil-disc service brake
Electro hydraulic parking brake
Case drain screens
Cat clean emission module (Tier 4 only)
Demand fan
Engine Cat C27
Fuel priming pump (electric)
Ground level engine shutoff, bumper
Mufflers (under hood) (Tier 2 equivalent only)
Precleaner, engine air intake
Radiator, Aluminum Modular (AMR)
Separated cooling system
Starting aid, (ether) manual override
Throttle Lock
Torque Converter, Impeller Clutch with lock-up clutch feature and rimpull control system
Transmission, 534 mm (21 in) planetary power shift (electronic) (3F/3R)

ELECTRICAL

Alarm, back-up
Alternator, 150 amp
Batteries, maintenance free (2 – 1,400 CCA)
Converter, 10/15 amp, 24V to 12V
Deutsch component connectors
Electrical system, 24V
Electronic transmission control
Lighting system, halogen (front and rear) lighting, access stairway, engine compartment
Starter, electric
Starter lockout in bumper
Starting receptacle for emergency start
Transmission lockout in bumper

OTHER

Automatic bucket tilt/lift kickouts electronically adjustable from cab
Axle temperature sensor
Battery disconnect and jump start receptacle, bumper
Coupling, Caterpillar O-ring face seals
Economy mode with on demand throttle
Emergency platform egress
Engine, crankcase, 500 hour interval with CH4
Engine idle management features: – Auto idle kickdown – Delayed engine shutdown – Engine idle shutdown
Fenders, steel (front)
Guards, crankcase and power train
Grouped/labeled lube points
Hitch, drawbar with pin
Hoses, Cat XT™
Oil sampling valves
Positive flow control hydraulic system
Product Link
Sight Gauges: hydraulic tanks, steering/fan and implement/brake, and transmission
Stairway, left and right rear access
Steering, load sensing
Toe kicks
Vandalism protection caplocks
Venturi stack
Premixed 50% concentration of extended life coolant with freeze protection to –34° C (–29° F)

NOTE

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

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988 GC

Engine Model
Cat® C15

Rated Speed
2000

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988 XE

This model is a more sustainable option

The electric-drive Cat 988 XE emits up to 37% less CO2 than the previous Cat 988K. Caterpillar has a goal of making 100% of new products more sustainable than the previous generations by 2030. Watch the first 988 XE test drive

Find out more about this machine

Net Power - SAE J1349:2011
538 hp / 401 kW

Operating Weight
116362 lb / 52781 kg

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