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Demolition Excavators

340 UHD Ultra High Demolition Hydraulic Excavator

Engine Model Cat C9.3B
Engine Power - ISO 14396 314 HP
Bore 4.5 in
Stroke 5.9 in

The Cat® 340 UHD provides optimum machine solutions for building demolition up to 8 stories. With its unique coupling system, you can switch between two lengths of Ultra High Demolition fronts and two types of Retrofit booms and sticks with no special tools in 15 minutes. You simply won’t find a better 50-ton class choice for demolition..

Engine

Engine Model
Cat C9.3B
Engine Power - ISO 14396
314HP
Bore
4.5in
Stroke
5.9in
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 - UHD Fronts

Swing Speed
5.2r/min

Swing Mechanism

Swing Speed
8.84r/min
Maximum Swing Torque
106000ft·lbf

Weights

Operating Weight
128000lb
Note (1)
Operating Weight includes Cat MP332 Multiprocessor with Pulverizer Jaws
Machine Weight - UHD Configuration
120600lb
Note (2)
340 UHD with 22m (72' 2") Front, 9.0 mt (19,842 lb) counterweight, hydraulically variable undercarriage 600 mm (24") HD TG tracks and no Work Tool
Machine Weight - Retrofit Configuration
139300lb
Note (3)
340 Retrofit boom with R3.2DB (10' 6") stick, 9.0 mt (19,842 lb) counterweight, hydraulically variable undercarriage 600 mm (24") HD TG tracks and 2.27 m3 (2.97 yd3) GD bucket
UHD in Cradle
19460lb
Retrofit Boom in Cradle - R3.35 TB Stick
15700lb
Retrofit Boom in Cradle - R2.9 TB Stick
15460lb
2-piece Retrofit boom in cradle - R3.2 DB stick
18980lb

Service Refill Capacities

Fuel Tank Capacity
159gal (US)
Cooling System
10gal (US)
Engine Oil
8gal (US)
Swing Drive
5gal (US)
Swing Drive - Each
10.6gal (US)
Final Drive - Each
2gal (US)
Hydraulic System - Including Tank
145.3gal (US)
Hydraulic Tank
43gal (US)
DEF Tank
21gal (US)

Dimensions

Note (1)
UHD Front
Shipping Height - Top of Cab
11.1ft
Shipping Length
59.6ft
Tail Swing Radius
11.6ft
Counterweight Clearance
4.6ft
Ground Clearance
1.66ft
Track Length
18.9ft
Track Gauge
9.3ft
Track Length to Center of Rollers
15.6ft
Working Gauge - Extended Position
11.1ft
Shipping Gauge - Retracted Position
7.8ft
Transport Width
9.83ft
Machine Length - without Front, with Counterweight
23.25ft
Machine Length - without Front and Counterweight
22.83ft
Cab Height - With FOGS
11.75ft
Track Width - Extended
13.08ft
Track Width - Retracted
9.83ft
Note (2)
600 mm (24") Track Shoe

Working Ranges and Forces

Maximum Pin Height at Stick Nose
72.2ft
Maximum Weight at Stick Nose
8160lb
Maximum Working Pin Height at Stick Nose - 1/2
61ft
Maximum Working Reach at Stick Nose - 1/2
45.4ft
Maximum Height at Stick Nose in Max Reach Position
41.5ft
Maximum Reach at Stick Nose
44.4ft
Note (1)
22 m (72' 2") UHD Front Over-the-Front

Working Ranges and Forces - Retrofit Boom - Straight

Note 1
Straight - R3.9 m DB stick (12' 10") Over-the-Front
Maximum Pin Height at Stick Nose
42.6ft
Maximum Weight at Stick Nose
13190lb
Maximum Height at Stick Nose in Max Reach Position
7.6ft
Maximum Reach at Stick Nose
37.2ft
Bucket
2.27 M3 (2.97 yd3) General Duty
Maximum Digging Depth
19.75ft
Maximum Reach - Ground Level
42.3ft
Maximum Loading Height
35.2ft
Minimum Loading Height
3.9ft
Bucket Digging Force - ISO
47160lbf
Stick Digging Force - ISO
32440lbf

Working Ranges and Forces - Retrofit Boom - Bent

Note 1
Bent - R3.9 m DB stick (12' 10") Over-the-Front
Bucket
2.27 M3 (2.97 yd3) General Duty
Maximum Digging Depth
24.8ft
Maximum Reach - Ground Level
39.1ft
Maximum Cutting Height
35.66ft
Maximum Loading Height
25.2ft
Minimum Loading Height
7.25ft
Bucket Digging Force - ISO
47160lbf
Stick digging Force - ISO
32440lbf

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • FOGS guarding
    • High resolution touchscreen monitor
    • Tilt-up demolition cab with P5A 10 mm laminated front and roof glass
    • Premium heated and cooled auto adjustable suspension seat
    • Tilt-up left console for easy ingress/egress
    • Windshield and roof parallel wiper with intermittent settings
  • Engine
    • Cat C9.3B diesel engine
    • Meets U.S. EPA Tier 4 Final or EU Stage V and Japan 2014 emissions standards
    • Three selectable modes: Power, Smart, ECO
    • Auto engine speed control
    • Up to 4500 m (14,760 ft) altitude capability
    • 52° C (126° F) high-ambient cooling
    • -18° C (0° F) cold start capability
    • Double element air filter with integrated precleaner
    • Remote disable
    • Biodiesel capability uo to B20
  • Hydraulic System
    • Boom and stick regeration circuit
    • Electronic main control valve
    • Auto hydraulic oil warmup
    • Auto swing parking brake
    • High Performance hydraulic return filter
    • Two-speed travel
    • Bio hydraulic oil capability
  • Undercarriage And Structures
    • Towing eye on base frame
  • Booms And Sticks
    • Advanced tool control, UHD
  • Electrical
    • Maintenance-free 1,000 CCA batteries (x 4)
    • Centralized electrical disconnect switch
    • LED lights
  • Cat Technology
    • Cat Product Link
    • Stability monitoring system for UHD
    • Electronic pitch and roll indicator
    • Swing 2D E-Fence
    • Travel direction indicator
    • Operator coaching
    • Electronic joystick pattern changer
    • Remote services capability
  • Service And Maintenance
    • Grouped location of engine oil and fuel filters
    • Scheduled Oil Sampling (S·O·S) ports
  • Safety And Security
    • Cat One Key security system
    • Lockable external tool/storage box
    • Lockabel door, fuel, and hydraulic tanks
    • Lockable fuel drain compartment
    • Service platform with anti-skid plate and recessed bolts
    • Rear and right-hand side cameras
    • Service platform with anti-skid plate and recessed bolts
    • Rear and right-hand side cameras

Optional Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Cat Stick Steer
  • Engine
    • -32° C (-25° F) cold start capability
    • Cold start block heaters
    • Ether starting aid
  • Hydraulic System
    • Boom lowering check valve (BLCV) for UHD front
    • Stick lower check valve (SLCV) for UHD front
    • SmartBoom with BLCV and Overload Warning Device for UHD front
    • Combined two-way auxiliary circuits
    • High and medium-pressure auxiliary circuits
    • Quick coupler circuit
    • Fine swing
    • Long hydraulic Variable Gauge (VG) undercarriage
    • Long undercarriage
  • Undercarriage And Structures
    • 600 mm (24 in) double grouser track shoes
    • 600 mm (24 in) triple grouser track shoes
    • 700 mm (28 in) triple grouser track shoes
  • Booms And Sticks
    • 22 m (72 ft 2 in) UHD front
    • 25 m (82 ft) UHD front
    • 2-piece Retrofit variable adjustment boom
    • 7.4 m (24 ft 3 in) Retrofit boom
    • R3.9 m ( 12 ft 10 in) DB Retrofit stick
    • R3.2 m (9 ft 6 in) DB Retrofit stick
    • R2.8 m (9 ft 2 in) DB Retrofit stick
    • DB linkage with lifting eye
    • Cradle for UHD front parts
    • Cradle for Retrofit front parts
  • Electrical System
    • Premium surround lighting package
  • Service And Maintenance
    • QuickEvav maintenance ready
    • Electric refuleing pump with auto shutoff