340

Machine Setup Simplification

    
• At the touch of fingertips and navigating user-friendly icons, the latest operator oriented User Interface (UI) maximizes uptime and gets crews to work without delay. From re-ordering work tool lists to creating new work tool combinations as needed, operators can quickly set up machines and easily access information.

    

• The interface allows operators to maintain accuracy and makes the most of every second of their shift. Adding the ability to input couplers and attachments into the system makes setting up work tool combinations highly efficient by significantly reducing calibration time. It also eliminates the need to measure up again when changing Cat® work tool attachments and makes it manageable for a single person to check and adjust for bucket wear.

Cat Grade 3D Ready

    
• The Cat Grade 3D Ready option includes all the hardware required for the Grade with 3D system, installed and tested from the factory. This option provides an easier upgrade path for customers who want to add Grade with 3D after their initial purchase. To activate, contact your Cat Dealer to purchase the required 3D software licenses. Licenses can be installed remotely or manually loaded onto the machine.

Cat Payload and Advanced Payload*

    
• Cat Payload provides operators with on-the-go weighing to help them hit load targets and avoid overloading, underloading, or misloading materials. Advanced Payload is a system upgrade that offers expanded features and capabilities, including custom tags, daily totals, and electronic ticketing. Combine Payload with VisionLink™** to analyze jobsites and individual assets for remote management of production targets and key metrics.

*Payload technologies are not legal for trade.
**VisionLink subscription required. 

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

    
• Work up to 4500 m (14,764 ft) above sea level without de-rating.

    

• Powerful swing torque easily handles changes in momentum, uneven terrain, and consistent high-impact connections, helping operators make their work swift and precise.

    

• Did you know baffle plates help increase an excavator’s strength-to-weight ratio? That is why Caterpillar incorporates the plates in high-stress areas like the boom, stick, and frame. Reinforcing the machine without adding significantly more weight also helps provide years of reliable performance, even in the harshest environments.

    

• The cylinder rods are reinforced with additional wear rings to help reduce oil leaks. The car body has thick baffle plates for a long service life. The thick track link has large bolt joints to help maintain bolt retention. Track rollers have a large shaft diameter to help prevent bending and oil leaks while increasing the 340s loading capacity, which means more reliable production for you.

    

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

    

• The center track guiding guard helps align the excavator track when traveling and working on slopes.

    

• The sloped track frame prevents mud and debris accumulation, helping reduce the risk of track damage.

    

• Auxiliary hydraulic options allow you to use a wide range of Cat® attachments.

    

• Advansys™ bucket tips increase penetration and improve cycle times. Tip changes can be done quickly with a simple lug wrench instead of a hammer or special tool, improving safety and uptime.

    

• Match the excavator to the job with three operating modes: Power, Smart, and Eco.

    

• Smart mode automatically adjusts power for the highest fuel efficiency – less power for tasks such as swinging and more power for digging.

    

• Enhanced heavy lift mode increases system pressure to help you easily pick and place heavy material.

    

• Auto warm-up speeds up hydraulic oil warming in cold temperatures and helps prolong the life of components.

    

• Don’t let the temperature stop you from working. This excavator has a 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).

    

• The Cat® C9.3B engine meets UN ECE R96 Stage IIIA emission standards, equivalent to U.S. EPA Tier 3 and EU Stage IIIA.

    
• The latest operator oriented User Interface (UI) has been designed to maximize uptime by allowing operators to easily reorder work tool lists and quickly create new work tool combinations. It also eliminates the need to measure up again when changing Cat® work tool attachments and makes it manageable for a single person to check and adjust for bucket wear.

    

• Cat® Lift Assist helps avoid machine tipping. With visual and auditory alerts, operators will know if their load is within the excavator’s safe working range limits.

    

• Cat® 2D E-Fence restricts the front linkage from moving beyond operator-defined preset boundaries for the ceiling, floor, wall, swing, and cab.  It helps operators avoid jobsite hazards such as traffic, keeps personnel safe, and helps you save on costly repairs, equipment downtime, and potential jobsite fines.

    

• Cat® Detect – People Detection for excavators is an intelligent vision camera system that can alert an operator when someone enters a machine’s hazard zone.*

    

• Cat® Grade with Assist helps operators stay on grade simply and effortlessly with semi-autonomous digging. It automates boom, stick, and bucket movements to deliver more accurate cuts with less effort.

    

• Cat® Grade with 2D for excavators is an indicate system that helps operators reach grade faster. Select your target depth and slope and watch the Grade with 2D system use on-board processors and sensors to provide real-time guidance on the distance to grade.

    

• Cat® Grade with 3D for excavators helps operators grade more quickly, accurately, and efficiently, improving productivity.* It incorporates GNSS technology and RTK positioning guidance to streamline the grading process for complex designs commonly encountered on large infrastructure and commercial projects. This system allows operators to work confidently, eliminating guesswork while cutting and filling to precise specifications.

    

• The Cat® Grade 3D Ready option includes all the hardware required for the Grade with 3D system, installed and tested from the factory. Activation requires the purchase of additional 3D software licenses, contact your Cat Dealer for details.

    

• 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.

    

• All Cat Grade systems are compatible with radios and base stations from Trimble, Topcon, and Leica. Already invested in a grade infrastructure? You can install grade systems from Trimble, Topcon, and Leica onto the machine.

    

• Cat® Payload provides operators with on-the-go weighing to help them hit load targets and avoid overloading, underloading, or misloading materials. Advanced Payload is a system upgrade that offers expanded features and capabilities, including custom tags, daily totals, and electronic ticketing. Combine Payload with VisionLink™**  to analyze jobsites and individual assets for remote management of production targets and key metrics.

    

• Cat® Operator Coaching allows operators of all experience levels to take their efficiency and productivity to the next level. With tips and data at their fingertips, operators can track and improve their productivity through everyday work on the job site. Gain data-based insights towards operators and operations when you pair Operator Coaching with VisionLink™.** There are two coaching tip categories –
      
          
  1. Operational Efficiency Tips: Help operators stay at the top of their game by identifying areas to increase skill and efficiency, such as digging technique and idle times.

          

  2. Machine Health Tips: Some actions are inefficient and cause unnecessary wear and tear on the machine and its components. Following Machine Health Tips can help extend the life of the machine, improve digging technique, and reduce fuel waste.

      

      

*The system may not detect personnel in certain circumstances, such as fast swing speeds, people lying down or crouching, or when cameras are impaired by low light conditions (dusk, dawn, overcast), inclement weather (snow, rain, fog), or other similar conditions. For limitations of use, refer to the operation and maintenance manual.
** VisionLink™ subscription required. Availability may vary by region, consult your Cat Dealer for more details.
NOTE: Cat® Payload for excavators is not legal for trade.

Availability may vary by region, consult your Cat Dealer for more details.

    
• 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. Equipment management features provide up-to-date asset tracking of your entire fleet. You can track asset location, operating hours, fuel level, health issues, and overall utilization. Monitor equipment health with fault codes, fluid analysis, and inspection due dates. It’s all about making informed, data-based decisions to help reduce operating costs. Productivity management features enable you to analyze overall job site performance. You’ll be able to track tonnage moved, production targets, and payload, as well as Grade 3D and compaction data. These vital metrics help you to reduce costs and improve jobsite operational efficiency.

    

• 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.

    

• Cat® 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.

    

• Cat® 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.
** Recognition feature available on select excavator models. Consult your Cat dealer for details.

    
• The 340’s extended and synchronized service intervals and reduced hydraulic oil capacity help you save time and money.

    

• The excavator is auto-lube ready with built-in mounting points; an available auto-lube retrofit kit provides additional hardware to mount a grease pump and line guards – all to help do the job of lubing safer, cleaner, and trouble-free.

    

• Boost productivity with proactive service reminders. The Integrated Vehicle Health Management system alerts the operator with step-by-step service guidance and parts needed so you don’t experience unnecessary downtime.

    

• Track your excavator’s filter life and maintenance intervals via the in-cab monitor.

    

• Fuel and engine oil filters are accessible from the upper platform and synchronized to be changed at 1,000 hours.

    

• The latest hydraulic oil filter provides high-quality filtration performance and features anti-drain valves to keep oil clean when the filter is replaced, and the 3,000-hour extended replacement interval offers efficiency and convenience.    

    

• Scheduled Oil Sampling (S·O·S^SM) ports with extended sampling intervals are on ground level, simplifying maintenance and allowing for quick, easy extraction of samples for fluid analysis.

    

• Using Cat® genuine oil and filters and doing typical S∙O∙S monitoring will extend the current service interval, giving you more uptime.

    

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

    

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

    

• The latest engine air cleaners with an integrated pre-cleaner surpass radial seal air cleaners’ lifespan.

    
• Sites where excavators work are typically rugged and challenging. That’s why it’s important that the 340 cab help protect the operator as much as possible from fatigue, stresses, sounds, and temperatures of the job.

    

• Comfort and efficiency of movement help keep operators productive and alert all shift long. The standard seat is wide and adjustable for operators of virtually any size.

    

• The tip-up left console makes getting in and out of the seat easy.

    

• Two cab options – Deluxe, and Premium – let you choose the level of comfort you need.

    

• The Deluxe cab package includes a heated air suspension seat; the Premium seat is heated and cooled.

    

• The cab is sound-suppressed and sealed.

    

• Advanced viscous mounts reduce cab vibration

    

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

    

• The touchscreen monitor makes it easy to access critical information and settings. Shortcut keys make it easy, and two are for entertainment, heating, and air conditioning. There is also a shortcut key for apps and functions that you can set.

    

• Standard automatic climate control keeps you at the right temperature throughout your shift.

    

• Convenience features include Bluetooth® integrated radio, USB charging and phone connectivity ports, 12V DC outlets, and an AUX port.

    

• Cup and bottle holders are easy to reach, and storage spaces are located conveniently throughout the cab.

    

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

Not all features are available in all regions. Please check with your local Cat® dealer for specific offering availability in your area.

    
• Optional Cat® Command remote control enables equipment operators to work safely outside the machine when working in hazardous environments. Command offers the choice of handheld Consoles* (line-of-sight) or long-distance virtual Stations (non-line-of-sight). Deep integration with machine systems enables efficiency and productivity by maintaining the use of in-cab technology** features (Grade, Payload, Assist, etc.).

    

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

    

• Standard 2D E-Fence is integrated right out of the factory, preventing the excavator from moving outside operator-defined set points; the system works with thumb and bucket combinations, hammer, grapple, and clamshell attachments.

    

• A travel direction indicator helps operators know which way to activate the travel levers.

    

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

    

• The right-hand service platform design provides easy, safe, and quick access to the upper service platform; the service platform steps use serrated steps and an anti-skid punch plate to prevent slipping. The handrails comply with ISO 2867:2011 requirements.

    

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

    

• The standard ROPS meets ISO 12117-2 2008 requirements.

    

• Enjoy great visibility into the trench, in each swing direction, and behind you with the help of smaller cab pillars, larger windows, and a flat engine hood design.

    

• Enhance jobsite safety. Add a swing alarm to alert people when rotating from the trench to the stockpile.

    

• Rear and right-hand-sideview cameras are standard. Upgrade to 360° visibility, and you’ll easily visualize objects and personnel around the excavator in a single view.

    

• See all around the machine with the premium 360° lighting package and its 1800 lm lights on the chassis, cab, boom, sides, and rear.

*Operator assist features for the Command Console are not available in Australia and New Zealand.
** Not all technology features are available on the Command Console and vary by model. Consult your Cat dealer for details.

    
• The 340 uses a keyless push-button engine start. This adds security for the machine by using Operator ID codes to limit and track machine access. Codes can be entered manually via an optional Bluetooth key fob.

    

• Most machine settings can be controlled through the high-resolution touchscreen monitor. It offers several languages and is easy to reach from the seat – no twisting or turning.

    

• A second 254 mm (10 in) monitor is available for the Cat® Grade and Cat® Grade with 3D.

    

• Operating can be made easier with the touch of a joystick button. The joystick function can be customized through the monitor. The joystick pattern and response can be set to match operator preference. All preferences are saved with the Operator ID and restored at login.

    

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

    

• You can also add an auxiliary relay to power on or turn off a CB radio, beacon light, or other attachment so you don’t have to take your hands off the joysticks.

    

• Program up to four depth and slope offsets so you can easily get to grade without a grade checker – saving time and enhancing safety on the jobsite.

    

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

    

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

    

• Use the in-monitor QR code to learn about machine and technology features through a full suite of “how-to” videos.

Not all features are available in all regions. Please check with your local Cat® dealer for specific offering availability in your area.

Tackle your jobs with a complete Cat® solution. Cat attachments are not just accessories – they are essential tools that define what your machine can do. When you pair a Cat excavator with Cat attachments, you unlock a fully integrated system built for performance, durability, and efficiency. Whether you are clearing land, breaking concrete, or compacting soil, the right attachment transforms your excavator into a powerful, multi-purpose tool ready for any challenge. Depending on your project or application, you could benefit from excavator attachments such as

    
• Buckets: Handle everything from digging and grading to cleanup and debris removal with your excavator. Caterpillar® offers general duty, heavy duty, extreme duty, and severe duty buckets, as well as specialized designs for ditch cleaning, rock, and finishing work. Reinforced edges and wear-resistant materials ensure long-lasting performance in tough conditions.

    

• Couplers (HEX): Cat® couplers for excavators enable fast, secure attachment changes, without the need to leave the cab. From Pin Grabbers to hydraulic quick connect options, couplers help reduce downtime, boost jobsite efficiency and promote versatility by allowing multiple machines to share a common attachment inventory.

    

• Hammers: Break concrete, rock, and steel with up to 1,000 blows per minute. Built for high-production demolition, quarrying, and construction, they offer powerful impact energy and consistent performance. Their durability and low-maintenance design make them essential for demanding breaking applications.

    

• Multi-Processors: A versatile tool for demolition, equipped with interchangeable jaws to handle concrete, steel, and rebar. Multi-Processors combine cutting, crushing and pulverizing capabilities in one attachment. Their modular design maximizes efficiency across a range of job site demands.

    

• Demolition and Sorting Grapples: Tackle larger debris or precisely sort materials into piles. These grapples are engineered for accuracy in demolition and material sorting, handling concrete, rebar, wood, and mixed debris. High clamping force and agile movement make them ideal for primary and secondary demolition and recycling operations.

    

• Scrap and Demolition Shears: Rotating shears provide precision cutting for metal structures, pipes, rebar, and scrap, making them ideal for demolition and recycling. Their powerful jaws and fast cycle times ensure clean cuts and high productivity. Built for durability, they excel in heavy-duty steel processing.

    

• Pulverizers: Built to crush concrete and separate rebar during demolition and recycling. With high crushing force and fast cycle times, pulverizers efficiently reduce material for easier handling. Primary models feature 360° bidirectional rotation and tackle structure teardown, while secondary models have a fixed jaw design and process debris after demolition.

    

• Compactors (Vibratory Plate): Compact soil, sand, gravel and asphalt quickly and efficiently to create a stable foundation. Vibratory plate compactors deliver high-impact force and even coverage, reducing air pockets and improving surface integrity for trenching, roadwork, and patching. 

    

• Rotary Cutters: Get accurate, precise work with less noise and vibration. Cat® Rotary Cutters deliver high torque and precision for a range of applications: demolition, grinding, profiling, trenching, tunneling, and quarrying. Specifically designed for excavator-mounted use to handle heavy-duty materials like concrete, rock, and dense brush with ease.  

    

• Orange Peel Grapples: Built for scrap and bulk material handling, Orange Peel Grapples excel with irregular, heavy loads like metal, rock, and waste. Their hydraulic tines provide superior grip and penetration. High-capacity and continuous rotation are perfect for scrap yards and transfer stations. Caterpillar® offers these grapples with a choice of different shell designs and tine options suited to various applications.

    

• Clamshell Grapples: Perfect for bulk material handling, dredging, and excavation of loose or semi-compacted materials like sand, gravel, and debris. Their dual-opening jaws allow for precise loading and unloading. High-capacity and controlled operation make them ideal for ports, recycling, and heavy civil projects.

Cat® attachments are engineered to maximize your excavator’s productivity, helping you get more work done with greater efficiency and confidence. Choosing the right attachment is not just about compatibility, it is about unlocking your machine’s full potential while avoiding equipment damage or safety risks. Connect with your Cat Dealer to find the optimal attachments for your specific machine and application needs.

Not all attachments are available in all regions. Contact your Cat Dealer for details.

NOTE

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

CAT TECHNOLOGY

1. VisionLink™
2. Remote Flash
3. Remote Troubleshoot
4. Operator Coaching
5. Compatibility with radios and base stations from Trimble, Topcon, and Leica
6. Capability with 3D grade systems from Trimble, Topcon, and Leica
7. Cat Grade with 2D
8. Cat Assist (Grade, Boom, Bucket, Swing, Lift)
9. Cat Payload (On-the-go weighing, Semiautomatic calibration, Payload/cycle information, USB Reporting Capability)
10. Work tool recognition and tracking (Requires PL161 attachment locator on work tool and Bluetooth receiver on machine)

ELECTRICAL SYSTEM

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

ENGINE

1. Three selectable modes: Power, Smart, Eco
2. Auto engine speed control
3. -18°C (0°F) cold start capability
4. Double element air filter with integrated pre-cleaner
5. Remote disable

HYDRAULIC SYSTEM

1. Boom and stick regeneration circuit
2. Electronic main control valve
3. Auto hydraulic oil warmup
4. Bio hydraulic oil capability
5. Fine swing
6. Reverse swing damping valve
7. Auto swing parking brake
8. High performance hydraulic return filter
9. Two speed travel

SAFETY AND SECURITY

1. Auto hammer stop
2. Caterpillar One Key security system
3. Lockable external tool / storage box
4. Lockable door, fuel, and hydraulic tank locks
5. Lockable fuel drain compartment
6. Lockable disconnect switch
7. Service platform with anti-skid plate & recessed bolts
8. RH handrail and handhold
9. Signaling / warning horn
10. Ground-level secondary engine shutoff switch
11. Rearview camera
12. Inspection lighting

SERVICE AND MAINTENANCE

1. Integrated vehicle health management system
2. Grouped location of engine oil & fuel filters
3. Scheduled Oil Sampling (S.O.S) ports

UNDERCARRIAGE AND STRUCTURES

1. Towing eye on base frame
2. Swivel guard
3. HD bottom guard
4. HD travel motor guards
5. Grease lubricated track
6. HD swing frame
7. HD swing bearing
8. 7.56 mt (16,667 lb) counterweight

DELUXE CAB

1. High-resolution 203 mm (8″) LCD touchscreen monitor
2. Auto bi-level air conditioner
3. Jog dial and shortcut keys for monitor control
4. Keyless push-to-start engine control
5. Height-adjustable console
6. Tilt-up left-side console
7. Heated air-suspension seat
8. Monitor integrated Bluetooth radio with USB/Aux ports
9. 12V DC outlets
10. Beverage holder
11. Cup holder
12. Openable polycarbonate skylight hatch
13. LED dome light
14. Floor welcome light
15. Roller front sunscreen
16. Roller rear sunscreen
17. Beacon ready

ESSENTIAL CAB

1. High-resolution 203 mm (8″) LCD touchscreen monitor
2. Auto bi-level air conditioner
3. Keyless push-to-start engine control
4. Air-suspension seat
5. Bluetooth radio with USB/Aux ports
6. 24V DC outlet
7. Beverage holder
8. Openable steel hatch
9. LED dome light
10. Roller front sunscreen

NOTE

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

BOOMS AND STICKS

1. 6.18m (20’3″) Mass boom
2. 6.5 m (21’4″) HD Reach boom
3. 2.55m (8’4″) Mass stick
4. 2.8m (9’2″) HD Reach stick
5. 3.2m (10’6″) HD Reach stick
6. 3.9 m (12’10”) HD Reach stick
7. TB family bucket linkage with/without lifting eye
8. DB family bucket linkage with/without lifting eye

CAT TECHNOLOGY

1. VisionLink™ back office reporting
2. Cat Grade Connectivity
3. Cat Grade 2D with Attachment Ready Option (ARO)
4. Cat Grade with 3D (single or dual GNSS)
5. Cat Grade 3D Ready
6. GNSS antennae
7. Laser catcher
8. Cat Tilt Rotator (TRS) Integration
9. Operator Coaching
10. Advanced Payload (Daily totals, Custom lists, Smart weight target, E-ticket Integration)

ELECTRICAL SYSTEM

1. Maintenance-free 1,000 CCA batteries (x4)

ENGINE

1. Oil level sensor
2. Battery-operated engine heater
3. Cold start block heater
4. 52°C (126°F) high-ambient cooling
5. Hydraulic reverse fan
6. -32°C (-25°F) cold start capability

HYDRAULIC SYSTEM

1. Auto dig boost
2. Auto heavy lift
3. Single one-way circuit
4. Combined two-way circuit
5. Hydraulic efficiency monitoring

SAFETY AND SECURITY

1. Cat E-Fence
2. Swing alarm
3. Boom lowering check valve
4. Stick lowering check valve
5. Inspection lighting

UNDERCARRIAGE AND STRUCTURES

1. Full-length track guiding guards
2. Segmented two-piece track guiding guards
3. HD rollers
4. 600 mm (24″) double grouser, triple grouser, HD triple grouser track shoes
5. 700mm (28″) triple grouser track shoes
6. 800mm (31″) triple grouser track shoes

ESSENTIAL CAB

1. High-resolution 254 mm (10″) LCD touchscreen monitor
2. Roller rear sunscreen

DELUXE CAB

1. High-resolution 254 mm (10″) LCD touchscreen monitor
2. Cat Stick Steer
3. Auxiliary relay