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With a heavy-duty high wide undercarriage, the machine can take full advantage of its fast implements. This wider and heavier undercarriage also improves the general lift capacities.


Engine Model Cat® C9 with ACERT™ Technology Cat® C9 with ACERT™ Technology Less
Net Flywheel Power 285.0 hp 209.0 kW Less
Bore 4.41 in 112.0 mm Less
Stroke 5.87 in 149.0 mm Less
Displacement 537.01 in3 8.8 L Less
Gross Power - SAE J1995 290.0 hp 213.0 kW Less
Net Power at 1,800 rpm - ISO 14396 285.0 hp 209.0 kW Less
Net Power at 1,800 rpm - ISO 9249 272.0 hp 200.0 kW Less


Operating Weight 85065.0 lb 38585.0 kg Less
Operating Weight 38 080 to 38 585 kg (83,952 to 85,065 lb) 38 080 to 38 585 kg (83,952 to 85,065 lb) Less

Swing Mechanism

Swing Speed 10.0 RPM 10.0 RPM Less
Swing Torque 80099.24 lb ft 108.6 kN·m Less


Maximum Travel Speed 3.11 mph 5.0 km/h Less
Maximum Drawbar Pull 67442.67 lb 300.0 kN Less

Hydraulic System

Pilot System - Maximum Flow 11.36 gal/min 43.0 L/min Less
Pilot System - Maximum Pressure 565.65 psi 39.0 bar Less
Boom Cylinder - Bore 5.91 in 150.0 mm Less
Boom Cylinder - Stroke 56.69 in 1440.0 mm Less
Stick Cylinder - Bore 6.69 in 170.0 mm Less
Stick Cylinder - Stroke 68.42 in 1738.0 mm Less
DB Family Bucket Cylinder - Bore 5.91 in 150.0 mm Less
DB Family Bucket Cylinder - Stroke 45.31 in 1151.0 mm Less
Main System - Maximum Flow 2 × 280 L/min (2 × 74 gal/min) 2 × 280 L/min (2 × 74 gal/min) Less
Main System - Maximum Pressure - Heavy Lift 5221.36 psi 360.0 bar Less
Main System - Maximum Pressure - Normal 5076.32 psi 350.0 bar Less
Main System - Maximum Pressure - Swing 4061.06 psi 280.0 bar Less
Main System - Maximum Pressure - Travel 5076.32 psi 350.0 bar Less
TB1 Family Bucket Cylinder - Bore 6.3 in 160.0 mm Less
TB1 Family Bucket Cylinder - Stroke 53.39 in 1356.0 mm Less

Service Refill Capacities

Cooling System 10.57 gal 40.0 L Less
Engine Oil 10.57 gal 40.0 L Less
Swing Drive (each) 5.02 gal 19.0 L Less
Final Drive (each) 2.11 gal 8.0 L Less
Hydraulic System (including tank) 108.31 gal 410.0 L Less
Hydraulic Tank 81.89 gal 310.0 L Less
Fuel Tank 163.79 gal 620.0 L Less

Sound Performance

Performance ANSI/SAE J1166 OCT 98 ANSI/SAE J1166 OCT 98 Less


Cab/FOGS Meets ISO 10262 Meets ISO 10262 Less

Working Ranges

Maximum Digging Depth 313.38 in 7960.0 mm Less
Maximum Reach at Ground Level 460.63 in 11700.0 mm Less

Track Width

Undercarriage with Double Grouser Shoes 23.62 in 600.0 mm Less


Built for power, reliability, economy and low emissions. Meeting regulations... Exceeding expectations.

Environmentally Responsible Design

Caterpillar machines not only help you build a better world, they help maintain and preserve the fragile environment.


Cat hydraulics deliver power and precise control to keep material moving.

Operator Station

Designed for simple, easy operation and comfort, the 340D L allows the operator to focus on production.


340D L HDHW structural components and undercarriage are the backbone of the machine’s durability.

Electronic Control System

Manages the engine and hydraulics for maximum performance.

Service and Maintenance

Simplified service and maintenance save you time and money.

Complete Customer Support

Cat dealer services help you operate longer with lower costs.

Booms, Sticks and Linkage

Designed for flexibility, high productivity, and efficiency in a variety of applications.

Work Tools

Solutions for your business.

Buckets and Teeth

Designed and built for total system performance.

340D L Standard Equipment

  • Alternator - 80 amp
  • Heavy duty maintenance free batteries (2)
  • Lights working
  • Signal/warning horn

  • Automatic engine speed control
  • Cat C9 engine
  • Fuel filter
  • High ambient cooling
  • Prefilter, air
  • Secondary engine shut-off switch
  • Side-by-side cooling system with separately mounted AC condenser
  • Water separator, with level indicator, for fuel line

  • Full length track guiding guards (two piece)
  • Swivel guard on undercarriage
  • Heavy duty bottom guards on upper frame
  • Heavy duty travel motor guards on undercarriage

Operator Station
  • Adjustable armrest
  • Air conditioner, heater and defroster with automatic climate control
  • Ashtray and 24 volt lighter
  • Beverage/cup holder
  • Bolt-on FOGS capability
  • Capability to install 2 additional pedals
  • Coat hook
  • Floor mat, washable
  • Instrument panel and gauges with full color graphical display, start-up level checks
  • Laminated front windshield
  • Literature compartment
  • Mirrors - left and right
  • Neutral lever (lock out) for all controls
  • Positive filtered ventilation, pressurized cab
  • Rear window, emergency exit
  • Retractable seat belt
  • Sliding upper door window
  • Stationary skylight (polycarbonate)
  • Storage compartment suitable for a lunch box
  • Sunshade for windshield and skylight
  • Travel control pedals with removable hand levers
  • Windshield wiper and washer (upper and lower)

  • Automatic swing parking brake
  • Automatic travel parking brake
  • Grease lubricated track
  • Hydraulic track adjusters
  • Idler and center section track guards
  • Steps - four
  • Two speed travel
  • Shoes

Other Standard Equipment
  • Auxiliary hydraulic valve for hydro‑mechanical tools
  • Cat branded XT hoses and reusable couplings
  • Cat Datalink and capability to use ET
  • Cat one key security system with locks for doors, cab and fuel cap
  • Cross-roller type swing bearing
  • Counterweight with lifting eyes
  • Drive for auxiliary pump
  • Heavy lift mode*
  • Product Link*
  • Regeneration circuit for boom and stick
  • S·O·SSM quick sampling valves for engine oil, hydraulic oil and coolant
  • Steel firewall between engine and hydraulic pump compartment
  • *Offering varies for different regions

340D L Optional Equipment

Front Linkage
  • Bucket linkages
  • Buckets and quick coupler (see pages 12 and 13)
  • Booms (with two working lights)
  • Sticks

Operator Station
  • Joysticks
  • Lunch box storage with lid
  • Radio
  • Seat
  • Windshield

Auxiliary Controls and Lines
  • Auxiliary boom lines (high pressure for reach and mass booms)
  • Auxiliary stick lines (high pressure for reach and mass booms)
  • Basic control arrangements:

Miscellaneous Options
  • Converters, 10 amp-12V
  • Starting aid for cold weather
  • Travel alarm