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Demolition Excavators

340 Straight Boom Excavator

Engine Model C9.3B
Engine Power - ISO 14396 314 HP
Bore 5 in
Stroke 6 in

With its new cab, long maintenance intervals, and power system that improves fuel efficiency up to 15 percent, the Cat® 340 is the perfect choice for low-level demolition, sorting, and other excavation tasks.

Engine

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

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

Weights

Operating Weight
88500lb
Note (1)
340 SB with R3.9 m DB stick (12' 10"), 2.27 m3 (2.97 yd3) GD bucket, long undercarriage with 600 mm (24") TG HD tracks

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)

Dimensions

Boom
Straight Boom 6.9 m (22' 8")
Stick
Reach R3.9DB 3.9 m (12' 10")
Bucket
2.27 m3 (2.97 yd3) GD bucket
Shipping Height - Top of Cab
11ft
Handrail Height
10.4ft
Shipping Length
37.4ft
Tail Swing Radius
11.6ft
Counterweight Clearance
4.1ft
Ground Clearance
1.7ft
Track Length to Center of Rollers
13.3ft
Track Gauge
8.5ft
Transport Width
10.5ft
Note (1)
340 SB with R3.9 m DB stick (12' 10"), 2.27 m3 (2.97 yd3) GD bucket, long undercarriage with 600 mm (24") TG HD tracks
Track Length
16.5ft
Note (2)
600 mm (24") Track Shoe
Cab Height - With FOGS
11.5ft

Working Ranges & Forces

Maximum Digging Depth
21.8ft
Boom
Straight Boom 6.9 m (22'8")
Stick
Reach R3.9DB 3.9 m (12'10")
Bucket
GDC 2.27 m3 (2.97 yd3)
Maximum Reach at Ground Level
40.5ft
Maximum Cutting Height
45.2ft
Maximum Loading Height
33.6ft
Minimum Loading Height
11ft
Maximum Depth Cut for 2440 mm (8 ft) Level Bottom
21.4ft
Maximum Vertical Wall Digging Depth
18.5ft
Bucket Digging Force - ISO
47150lbf
Stick Digging Force - ISO
32440lbf

Working Ranges and Forces

Maximum Pin Height at Stick Nose
45.2ft
Maximum Weight at Stick Nose
10570lb
Note (1)
340 SB with R3.9 m DB stick (12' 10"), 2.27 m3 (2.97 yd3) GD bucket, long undercarriage with 600 mm (24") TG HD tracks
Maximum Digging Depth
21.8ft
Maximum Cutting Height
45.2ft
Maximum Loading Height
33.6ft
Minimum Loading Height
11ft
Maximum Depth Cut for 2440 mm (8'0") Level Bottom
21.4ft
Maximum Vertical Wall Digging Depth
18.5ft
Bucket Digging Force -ISO
47150lbf
Stick Digging Force - ISO
32440lbf
Maximum Reach at Ground Level
40.5ft

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • ROPS, advanced sound suppression
    • High-resolution 254 mm (10") LCD touch screen monitor
    • Heated seat with air-adjustable suspension
  • Engine
    • Three selectable modes: Power, Smart, Eco
    • Auto 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
    • Auto hydraulic oil warm up
    • Reverse swing damping valve
    • Auto swing parking brake
    • High performance hydraulic return filter
    • Two speed travel
    • Bio hydraulic oil capability
  • Undercarriage And Structures
    • Towing eye on base frame
    • 9.0 mt (19,842 lb) counterweight
  • Booms And Sticks
    • 6.9 m (22'8") Straight boom
  • Electrical System
    • Maintenance-free 1,000 CCA batteries (x2)
    • Centralized electrical disconnect switch
    • LED chassis light
  • Cat Technology
    • Cat Product Link
  • Service And Maintenance
    • Grouped location of engine oil & fuel filters
    • Scheduled Oil Sampling (S.O.S) ports
  • Safety And Security
    • 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
    • Right-hand handrail and hand hold
    • Standard visibility mirror package
    • Signaling / warning horn
    • Ground-level secondary engine shutoff switch
    • Rear and sideview cameras
    • Boom lowering check valve
    • Stick lowering check valve

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Engine
    • Cold start block heaters
    • Auto reverse fan
    • -32° C (-25° F) cold start capability
  • 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
  • Undercarriage And Structures
    • Long undercarriage
    • Long Narrow undercarriage
    • 600 mm (24") HD triple grouser track shoes
    • 700 mm (28") triple grouser track shoes
    • 850 mm (33") HD triple grouser track shoes
  • Booms And Sticks
    • 3.2 m (10'6") Reach stick
    • 3.9 m (12'10") Reach stick
  • Service And Maintenance
    • Preventative maintenance ready (Quick Evac)
    • Electric refueling pump with auto shutoff
  • Electrical System
    • Premium surround lighting package
  • Safety And Security
    • 360° Visibility