340 Long Reach Excavator

The Cat® 340 excavator delivers efficiency in all applications. Simple-to-use technologies like Cat GRADE with 2D, Grade Assist, Payload, and E-Fence all come standard from the factory to boost your operator efficiencies up to 45 percent. Combine these with a new cab, longer maintenance intervals that lower your maintenance costs up to 15 percent, and a power system that that improves fuel efficiency up to 15% and you have a low-cost-per-unit-of-production excavator capable of taking on your toughest work.

Not all features available in all regions. Consult your Cat dealer for specific configurations available in your region.

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Engine Power - ISO 9249 311HP
Engine Model C9.3B
Engine Power - ISO 14396 314HP
Bore 5in
Stroke 6in
Displacement 568in³


Operating Weight 96700lb

Working Ranges & Forces

Maximum Digging Depth 42.8ft
Boom 10.6 m (34'9")
Stick LRE Stick 7.1 m (23'4")
Maximum Reach at Ground Level 59.3ft
Maximum Loading Height 41.9ft
Minimum Loading Height 10.5ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom 35ft
Bucket Digging Force - ISO 31590lbf
Stick Digging Force - ISO 20750lbf
Bucket GD 0.93 m3 (1.22 yd3)
Maximum Cutting Height 51.2ft

Hydraulic System

Main System - Maximum Flow 558 l/min (147 gal/min)
Maximum Pressure - Equipment 5076psi
Maximum Pressure - Equipment - Lift Mode 5511psi
Maximum Pressure - Travel 5076psi
Maximum Pressure - Swing 4264psi

Swing Mechanism

Swing Speed 8.75r/min
Maximum Swing Torque 106228ft·lbf

Service Refill Capacities

Fuel Tank Capacity 158.5gal (US)
Cooling System 10.5gal (US)
Engine Oil 8.5gal (US)
Swing Drive 4.8gal (US)
Final Drive - Each 2.1gal (US)
Hydraulic System - Including Tank 98.5gal (US)
Hydraulic Tank 42.5gal (US)
DEF Tank 21.1gal (US)


Boom LRE Boom 10.6 m (34'9")
Stick LRE Stick 7.1 m (23'4")
Bucket GD 0.93 m3 (1.22 yd3)
Shipping Height - Top of Cab 11.2ft
Handrail Height 11.1ft
Track Gauge 9.6ft
Shipping Length 50.2ft
Tail Swing Radius 11.6ft
Counterweight Clearance 4.8ft
Ground Clearance 2.4ft
Track Length 15.5ft
Track Length to Center of Rollers 13.3ft
Transport Width 12ft

Standard Equipment

  • Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area.
  • ROPS, standard sound suppression
  • High-resolution 254 mm (10") LCD touch screen monitor
  • Heated seat with air-adjustable suspension
  • Three selectable modes: Power, Smart, Eco
  • Automatic engine speed control
  • 2300 m (7,546 ft) altitude capability with no engine power de-rating
  • 52� C (126� F) high-ambient cooling capacity
  • -18� C (0� F) cold start capability
  • Double element air filter with integrated pre-cleaner
  • Remote disable
  • Biodiesel capability up to B20
Hydraulic System
  • Boom and stick regeneration circuit
  • Electronic main control valve
  • Heavy lift mode
  • Automatic hydraulic oil warm up
  • Reverse swing damping valve
  • Automatic swing parking brake
  • High performance hydraulic return filter
  • Two speed travel
  • Bio hydraulic oil capability
Undercarriage And Structures
  • Heavy Duty High Wide undercarriage
  • Towing eye on baseframe
  • 7.1 m (23'4") LRE stick
Boom And Stick
  • 10.6 m (34'9") LRE boom
  • 7.1 m (23'4") LRE stick
Electrical System
  • Maintenance-free 1,000 CCA batteries (x2)
  • Centralized electrical disconnect switch
  • LED chassis light
Cat Technology
  • Cat Product Link
  • Cat GRADE with 2D
  • Cat GRADE with Assist
  • 2D E-Fence
Service And Maintenance
  • Grouped location of engine oil & fuel filters
  • Scheduled Oil Sampling (S.O.S) ports
Safety And Security
  • Standard visibility mirror package
  • Caterpillar One Key security system
  • Lockable external tool / storage box
  • Lockable door, fuel and hydraulic tank locks
  • Lockable fuel drain compartment
  • Service platform with anti-skid plate and recessed bolts
  • RH handrail and hand hold (ISO 2867 Compliant)
  • Signaling / warning horn
  • Ground-level secondary engine shutoff switch

Optional Equipment

  • Cat Stick Steer
  • -32� C (-25� F) cold start capability
  • Cold start block heaters
  • Automatic reverse fan
Hydraulic System
  • Smart Boom
  • Combined two-way auxiliary circuit with direct return
  • Medium-pressure auxiliary circuit
  • Cooling circuit
  • Quick coupler circuit for Cat Pin Grabber and CW Dedicated
  • Auto Heavy Lift
Undercarriage And Structures
  • 600mm (24") HD triple grouser track shoes
  • 700mm (28") triple grouser track shoes
  • 850mm (33") HD triple grouser track shoes
Cat Technology
  • Cat GRADE with Advanced 2D
  • Cat GRADE with 3D
Service And Maintenance
  • Preventative maintenance ready (Quick Evac TM)
  • Electric refueling pump with automatic shutoff
Safety And Security
  • Rear and sideview cameras
  • Boom lowering check valve
  • Stick lowering check valve
  • 360 Visibility
  • Cat asset tracker
  • Inspection Lighting