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Excavators

340 - Tier 4 / Stage V

The Cat® 340 is evidence of our time-proven engineering and manufacturing know-how for top-notch quality, reliability, and durability. In addition to a powerful engine with millions of hours of service and reinforced booms and sticks for taking on hard and heavy work, the standard, heavy-duty reinforced undercarriage expertly absorbs the stress between jobsite terrain and machine. Built for rugged conditions, this rock-solid machine will help you turn payloads into profit.

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Overview

Engine

UNITS:

Metric

Imperial

Net Power - ISO 9249	258.3 kW	346 hp
Engine Model	Cat C9.3B	Cat C9.3B
Bore	115 mm	5 in
Stroke	149 mm	6 in
Displacement	9.3 l	568 in³
Biodiesel Capability	Up to B20¹	Up to B20¹
Emissions	Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.	Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Note (1)	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.	Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 2,000 rpm. Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)	¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or "Caterpillar Machine Fluids Recommendations" (SEBU6250) for details. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). *Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.	¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or "Caterpillar Machine Fluids Recommendations" (SEBU6250) for details. Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). *Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

Hydraulic System

Maximum Pressure - Equipment	35000 kPa	5076 psi
Maximum Pressure - Equipment - Lift Mode	38000 kPa	5511 psi
Maximum Pressure - Travel	35000 kPa	5076 psi
Maximum Pressure - Swing	29400 kPa	4264 psi

Swing Mechanism

Swing Speed	8.84 r/min	8.84 r/min
Maximum Swing Torque	143 kN·m	105214 ft·lbf

Weights

Operating Weight	37700 kg	83100 lb

Service Refill Capacities

Fuel Tank Capacity	600 l	158.5 gal (US)
Cooling System	40 l	10.5 gal (US)
Engine Oil	32 l	8.5 gal (US)
Swing Drive - Each	18 l	4.8 gal (US)
Final Drive - Each	8 l	2.1 gal (US)
Hydraulic System - Including Tank	373 l	98.5 gal (US)
Hydraulic Tank	161 l	42.5 gal (US)
DEF Tank	80 l	21.1 gal (US)

Dimensions

Boom	Reach 6.5 m (21'4")	Reach 6.5 m (21'4")
Stick	Reach 3.9 m (12'10")	Reach 3.9 m (12'10")
Bucket	HD 2.36 m³ (3.08 yd³)	HD 2.36 m³ (3.08 yd³)
Handrail Height	3180 mm	10.5 ft
Shipping Length	11180 mm	36.8 ft
Tail Swing Radius	3530 mm	11.7 ft
Counterweight Clearance	1260 mm	4.2 ft
Ground Clearance	510 mm	1.8 ft
Track Length	5030 mm	16.6 ft
Track Length to Center of Rollers	4040 mm	13.3 ft

Working Ranges and Forces

Boom	Reach 6.5 m (21'4")	Reach 6.5 m (21'4")
Stick	Reach 3.9 m (12'10")	Reach 3.9 m (12'10")
Bucket	HD 2.36 m³ (3.08 yd³)	HD 2.36 m³ (3.08 yd³)
Maximum Loading Height	7470 mm	24.5 ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom	8080 mm	26.5 ft
Maximum Vertical Wall Digging Depth	6420 mm	21.1 ft

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 1.00 kg of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes.	The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.00 kg of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes.

Features

Latest Features

Cab Monitor Improvements

Continuously improved user interface allows for intuitive navigation, minimizing performance interruption with the easy-to-use touchscreen menu.
Identify apps quickly with a grid list view, abbreviated app names, and categorized menu options.
A new notification center keeps important information visible to the operator, and displays messages without shrinking the camera view.
Color coded notifications set critical messages apart from the rest.
Use the in-monitor QR code to learn about machine technology and features through a full suite of "how-to" videos.

Operator Coaching

Operator Coaching is an in-cab system that recognizes specific opportunities for operators to be more productive and prevent unnecessary machine wear and tear.
After detecting inefficient or restricted actions, the system alerts the operator and provides insight into the inefficiency and steps to improve.
Paired with a VisionLink Productivity subscription, this information and other Operator Coaching insights can be viewed from anywhere.

Standard integrated vehicle health management system alerts the operator with service guidance and parts needed to enhance uptime.
Enhance visibility to make service work easier and safer with optional inspection lighting.

Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area. Build Number: 08C

High Performance

More power to the pumps, wider undercarriage, and heavy counterweight enable up to 10 percent more productivity.

Match the excavator to the job with three power modes – Power, Smart, and Eco. Power mode is maximum power all the time. Smart mode automatically matches engine and hydraulic power to digging conditions, providing maximum power when needed and reducing power when it isn’t to help save fuel. Eco mode reduces engine speed and keeps it constant to reduce fuel consumption.

Reinforced structures ensure long-term durability in harsh environments.

Work up to 4500 m (14,764 ft) above sea level.

Standard high-ambient temperature capability is 52° C (125° F) with cold start capability at –18° C (0° F).

An optional battery operated engine heater enables starting at –32° C (–25.6° F).

Auto hydraulic oil warmup gets you to work faster in cold temperatures and helps prolong the life of components.

Two levels of filtration protect the engine from low-quality diesel fuel.

Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.

Efficiency Through Technology

Boost productivity with standard Cat Grade with 2D system – includes indicate-only and laser capability.

Want a 3D system to improve your digging results? Caterpillar's single antenna global navigation satellite system (GNSS) makes it easy by giving you visual and auditory guidance to grade. Plus, you can create and edit designs on the touchscreen monitor while you’re on the job. If your application calls for a dual antenna system, it’s easy to upgrade.

Upgrade to our dual antenna GNSS for maximum grading efficiency. The system lets you create and edit designs on the touchscreen monitor while you’re on the job, or you can have the plan design sent to the excavator to make your work easier. Plus, you get added benefits of avoidance zones, cut and fill mapping, lane guidance, and augmented reality along with advanced positioning capability.

Standard Grade Assist helps you stay on grade – simply and effortlessly – with single-lever digging.

Dig with guidance to depth, slope, and horizontal distance to grade. You can set up to four different depth and slope targets to help save time and money.

Automatically stop excavator swing at operator-defined set points in truck loading and trenching applications with Swing Assist.

Cat Payload helps you achieve precise load targets to improve your operating efficiency. Pick up a load of material--with a bucket and thumb combination or grapple and clamshell attachments--and get a real-time weight estimate without swinging.

Combine Payload with VisionLink® and remotely manage your production targets.

Operator Coaching is an in-cab system that recognizes specific opportunities for operators to be more productive and prevent unnecessary machine wear and tear.

Take The Guesswork Out of Managing Your Equipment

VisionLink® provides actionable data insights for all assets - regardless of fleet size or equipment manufacturer.*

Review equipment data from your desktop or mobile device to maximize uptime and optimize assets.

Dashboards provide information such as hours, miles, location, idle time, and fuel utilization.

Make informed decisions that lower costs, simplify maintenance, and improve safety and security on your jobsite.

VisionLink® Productivity gathers and summarizes machine telematics and jobsite data from all your equipment – regardless of the manufacture.*

View actionable information such as idle time, fuel burn, location, payload, load counts, total cycles, and more to improve machine efficiency, productivity, and utilization.

Access data anywhere via a mobile, tablet, or desktop device - on or off the jobsite.

Cat® Inspect is a mobile application that allows you to easily perform digital preventative maintenance (PM) checks, inspections, and daily walkarounds. Inspections can easily be integrated with other Cat data systems like VisionLink® so you can keep a close eye on your fleet.

Remote Troubleshoot is a mobile application that allows your Cat dealer to perform diagnostic testing on your connected machine remotely to help ensure that issues are resolved quickly and with less downtime.

Remote Flash is a mobile application that allows you to update onboard software without a technician being present, allowing you to initiate software updates when convenient, increasing your overall operating efficiency.

The Cat PL161 attachment locator allows you to track attachments across all worksites, reduce the number of lost attachments, and plan for attachment maintenance and replacement.

The work tool recognition feature automatically adjusts machine settings based on the selected tool.

* Data field availability can vary by equipment manufacturer.

Easy Maintenance

Boost productivity with proactive service reminders. Our integrated vehicle health management system alerts the operator with step-by-step service guidance along with parts needed so you don't experience any unnecessary downtime.

Expect low maintenance costs due to reduced hydraulic oil capacity and extended and synchronized service intervals.

The latest hydraulic oil filter provides high-quality filtration performance, anti-drain valves to keep oil clean when the filter is replaced, and the extended replacement interval offers efficiency and convenience.

Filters are grouped and located on right-hand side of machine for easy maintenance.

Check hydraulic system oil and easily drain fuel system water and fuel tank water from ground level.

The advanced air intake filter with pre-cleaner has a high dust-holding capacity.

The high-efficiency hydraulic fan has an optional automatic reverse function to keep cores free from debris, eliminating the need for any operator interaction.

S·O·S^SMports are on ground level, simplifying maintenance and allowing for quick, easy extraction of fluid samples for analysis.

Dedicated Service and Superior Support

When you buy Cat® equipment, you get more than the machine. You’re also getting the support of a best-in-class dealer network backed by a range of flexible solutions, technology, tools, and more.

When you work with your local Cat dealer, you'll be supported by one of the industry's most extensive, knowledgeable dealer networks. Comprised of 160 independent dealers, the Cat Dealer Network serves 197 countries with thousands of branches around the globe.

It’s more uptime, cost-saving service and repair options, quality parts, and precision components. It’s all about support built around your success.

Ask your Cat dealer today about the many services that help you do your work your way.

The importance of buying genuine Cat parts.

Designed by Caterpillar engineers to the exact specs of your Cat equipment.
Rigorously tested to ensure maximum performance.
Covered by a 12-month warranty.

Cat Inspect – Work made easy.

Record real-time inspection data.
Simplify inspections and reporting.
Easy-to-read results all in one place.

Cat Ground Engaging Tools (GET) – Longer wear. More work.

GET for every machine and application.
Tools to extend life and track GET lifecycles.
Bucket rebuild options for optimal performance.

Cat Hydraulic Components – Durability quality you can work with.

Flexible options – New, reman, exchange, rebuild or repair.
Expert diagnostics, testing, and contamination control.
Buy in-store, online, or on your mobile device.

Cat Hose Service – Fast, safe—to get you back to work.

Hoses and couplings for most makes and models.
OEM database ensures an exact fit.
Industry-best tooling, training, and assembly standards.

Cat Certified Rebuild – An investment that works. Again, and again.

Better-than-when-new performance at a fraction of the cost.
Performance, safety, and technology upgrades and enhancements.
Full warranty coverage, Customer Value Agreement, and special financing.

Cat Remote Services – Work done in a flash.

Cut downtime for updates and service.
Install the latest machine software remotely.
Troubleshoot issues before a technician arrives.

24/7 Expert Support
Get industry-leading support for any question or problem you have 24 hours a day, 7 days a week, 365 days a year.

Learn more at https://parts.cat.com/

Work in Comfort

Choose between Deluxe and Premium cabs – both with automatic climate control.

Deluxe cab comes with heated seat to keep you warm.

Premium cab comes with heated and ventilated seat for year-round comfort.

Tilt-up left console enables easy entry and exit.

Control the excavator comfortably with easy-to-reach controls all located in front of you.

Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles.

Use the standard radio’s USB ports and Bluetooth® technology to connect personal devices and make hands-free calls.

Safely Home Every Day

2D E-Fence prevents the excavator from moving outside of operator-defined set points; the system works with thumb and bucket combinations along with hammer, grapple, and clamshell attachments.

Cat Detect - People Detection helps protect the most valuable asset on any jobsite – people. The system uses smart cameras with depth sensors to provide the operator with visual and auditory alerts so he or she can take immediate action when a person is too close to the excavator.

Enhance jobsite safety by adding Cat Command to your fleet. The remote control system comes with everything you need like WIFI radio, cameras, and microphone so you can work outside of the cab and avoid potential hazards.

The Rollover Protective Structure (ROPS) cab meets industry standards and protects the operator in the event of a rollover.

Enjoy great visibility with the help of narrow cab pillars, large windows, and a flat engine hood design.

Make service work easier and safer with optional inspection lighting. With the flip of a switch, lights will illuminate the engine, pump, battery, and radiator compartments to enhance visibility.

Cat Lift Assist helps you avoid tipping by letting you know if your load is within the excavator’s safe working range.

A travel direction indicator helps you know which way to activate travel levers.

Enhance jobsite safety by adding a swing alarm to alert people when you're rotating from trench to stockpile and back again.

Keep your excavator secure with Operator ID. Use your PIN code on the monitor to enable the push button starting feature.

A ground-level shutoff switch stops all fuel to the engine when activated and shuts down the machine.

Serrated steps and anti-skid punch plate on the service platform help prevent slipping.

A rearview camera is standard.

Simple to Operate

Start the engine with the push of a button; use a Bluetooth key fob or Operator ID passcode.

Program each joystick button, including power mode, response, and pattern, using Operator ID; the machine will remember what you set each time you go to work.

Trouble cutting through tough material? Auto dig boost gives you an automatic power increase when you need it for better bucket penetration, shorter cycle times, and greater payloads.

Need more lift during your shift? Auto heavy lift gives you more power exactly when you need it for as long as you need it.

Make moving the excavator much easier with optional Cat Stick Steer. Simply push a button and use one hand to travel and turn instead of both hands or feet on levers or pedals.

Make operating easier with the touch of a joystick button. An auxiliary relay allows you to power on or turn off a CB radio, beacon light, and even a dust suppression watering system without taking your hands off the joysticks.

Cat continues to improve user interface functionality for operators of all skill levels. The touchscreen monitor is an easy-to-use operating tool that presents the jobsite dashboard with an intuitive format.

Productivity applications are displayed in grid-view to read on-the-go, and touchscreen navigation is programmed to make sure job performance continues without any hold ups.

Protect your hammer from overworking. Auto hammer stop warns you after 15 seconds of continuous firing and then automatically shuts it off after 30 seconds – all to prevent wear and tear on the attachment and excavator.

Not sure how a function works or how to maintain the excavator? Always have the operator’s manual at your fingertips in the touchscreen monitor.

Sustainability

The Cat® C9.3B engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.

Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO (hydrogenated vegetable oil) and GTL (gas-to-liquid) fuels. Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details.

Cat Grade technologies combine advanced guidance with optional automated machine control helping you reach grading targets while reducing fuel burn and greenhouse gas emissions by improving efficiency, job site productivity, and accuracy.

Auto Engine Speed Control reduces unnecessary fuel burn and greenhouse gas emissions by allowing the engine to automatically go into idle mode when the machine is not working.

Cat® Payload for excavators provides on-the-go material weighing which helps reduce fuel burn by improving loading efficiency, job site productivity, and eliminating trips to the scale.

Cat® 2D E-fence keeps the front linkage within a predefined work area to avoid hazards such as traffic - not only helping keep personnel safe but also helps you avoid repairs, downtime, and costly job site fines.

Extended maintenance intervals not only reduce downtime but decrease the amount of fluid and filters that are replaced over the life of the machine.

Cat VisionLink® displays the CO2 emissions for monitored assets, calculated by fuel type for the Runtime Fuel Burned each day in a selected date range.

Remote Flash minimizes downtime and maintenance time while keeping your asset running with maximum efficiency. Alerts for machine updates are sent virtually from your Cat dealer and updates can be deployed without a dealer technician needing to be onsite.

Remote Troubleshoot decreases maintenance time and keeps your machine running with maximum efficiency by allowing your Cat dealer to virtually test the machine while working. Once a problem is identified, a technician can fix it the first time, saving time and money.

*Engines with no aftertreatment devices can use higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer).

**Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels.

340 Variable Angle Boom Configuration

The Cat® 340 Variable Angle Boom 6.6m (21'8") (VAB) provides one extra articulation to maximize your application range while minimizing the space required to rotate in tight earthmoving and demolition sites, allowing you to work closer to the machine.

On-Board Cat Technology Helps Increase Efficiency

This configuration is equipped with standard Cat technologies, including Standard Grade Assist, Cat Payload, and 2D E-Fence, which boosts operating efficiency through technology and is compatible with VisionLink®, Cat PL161 attachment locator, Remote Troubleshoot, Remote Flash, and Cat Inspect, allowing you to eliminate the guesswork in managing your equipment.
Cat Grade Assist for excavators automates boom and stick movements for more accurate cuts with less effort. It uses machine position sensors and operator-defined depth and slope parameters to enable single-lever digging, helping improve efficiency.
Cat Payload helps you achieve precise load targets to improve your operating efficiency. Pick up a load of material--with a bucket and thumb combination or grapple and clamshell attachments--and get a real-time weight estimate without swinging.
The 2D E-Fence prevents the excavator from moving outside operator-defined set points. The system works with thumb and bucket combinations, hammer, grapple, and clamshell attachments.

Demolition Cab Compatibility

For demanding demolition sites, the 340 VAB is compatible with the optional demolition cab that tilts up to 30° for a more productive and comfortable sight line.
The front windshield and roof window are made with EN 356 P5A glazing for enhanced impact resistance and have one-piece parallel wipers with three intermittent settings and washer spray.
Standard Operator Protective Guards (OPG) help protect the roof and front reinforced EN356 P5A laminated windows from falling debris during demolition while helping to maintain visibility on the jobsite.
The optional demolition cab features a larger premium heated and cooled seat with a 254 mm (10 in) high-resolution touchscreen monitor. The monitor allows operators to view the active stability monitoring system, which gives audible and visual alerts when the work tool's position approaches its stability limit.
Get in and out of the cab with ease using the tip-up left console.
Control the excavator comfortably with easy-to-reach controls located in front of you.
Stow your gear with plenty of in-cab storage beneath and behind the seat, overhead, and in the consoles.
Use the standard radio’s USB ports and Bluetooth® technology to connect personal devices and make hands-free calls.
Rearview and side-view cameras are standard. You can also upgrade to 360° visibility to view objects and personnel around the machine in a single view.
Grease sealed between track pins and bushings reduces travel noise and prevents debris from entering to increase undercarriage life.

The 340 VAB configuration is available for Europe only.

Standard Equipment

NOTE

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

CAT TECHNOLOGY

VisionLink®
Remote Flash
Remote Troubleshoot
Compatibility with radios and base stations from Trimble, Topcon, and Leica
Capability to install 3D grade systems from Trimble, Topcon, and Leica
Cat Grade 2D
Cat Assist
Cat Payload
Auto hammer stop
Work tool recognition (PL161)
Work tool tracking (PL161)

ELECTRICAL SYSTEM

Maintenance-free 1,000 CCA batteries (x2)
Centralized electrical disconnect switch
LED exterior chassis and boom lights

ENGINE

Three selectable modes: Power, Smart, Eco
Auto engine speed control
- 18° C (0° F) cold start capability
Double element air filter with integrated pre-cleaner
Remote disable

HYDRAULIC SYSTEM

Boom and stick regeneration circuit
Electronic main control valve
Auto heavy lift
Auto dig boost
Auto hydraulic oil warmup
Bio hydraulic oil capability
Fine swing
Reverse swing damping valve
Auto swing parking brake
High performance hydraulic return filter
Two speed travel

SAFETY AND SECURITY

Cat E-Fence
Caterpillar One Key security system
Lockable external tool / storage box
Lockable door, fuel, and hydraulic tank locks
Lockable fuel drain compartment
Lockable disconnect switch
Service platform with anti-skid plate & recessed bolts
RH handrail and handhold
Signaling / warning horn
Ground-level secondary engine shutoff switch
Rearview camera
Inspection Lighting

SERVICE AND MAINTENANCE

Integrated vehicle health management system
Grouped location of engine oil & fuel filters
Sampling ports for Scheduled Oil Sampling (S·O·S℠)

UNDERCARRIAGE AND STRUCTURES

Towing eye on base frame
Swivel guard
HD bottom guard
HD travel motor guards
Grease lubricated track
HD swing frame
HD swing bearing
7.56 mt (16,667 lb) counterweight

DELUXE CAB

High-resolution 203 mm (8") LCD touchscreen monitor
Auto bi-level air conditioner
Jog dial and shortcut keys for monitor control
Keyless push-to-start engine control
Height-adjustable console
Tilt-up left-side console
Heated air-suspension seat
Monitor integrated Bluetooth radio with USB/Aux ports
12V DC outlets
Document storage
Overhead storage and rear storage with nets
Beverage holder
Cup holder
Openable two-piece front window
Rear window emergency exit
Radial wiper with washer
Openable polycarbonate skylight hatch
LED dome light
Floor welcome light
Roof sunscreen
Roller front sunscreen
Washable floor mat
Beacon ready

PREMIUM CAB

High-resolution 254 mm (10") LCD touchscreen monitor
Auto bi-level air conditioner
Jog dial and shortcut keys for monitor control
Keyless push-to-start engine control
Height-adjustable console
Tilt-up left-side console
Heated and ventilated air-suspension seat
Monitor integrated Bluetooth radio with USB/Aux ports
12V DC outlets
Document storage
Overhead storage and rear storage with nets
Beverage holder
Cup holder
Openable two-piece front window
Rear window emergency exit
Parallel wiper
Openable polycarbonate skylight hatch
LED dome light
Floor welcome light
Roof sunscreen
Roller front sunscreen
Washable floor mat
Beacon ready

Optional Equipment