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Caterpillar

340 UHD Ultra High Demolition Hydraulic Excavator

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.

Photos

Videos

  • Cat 340 Ultra High Demolition Excavators
  • Cat 340F UHD Boom Change Procedure
  • Stick Steer for Cat® Excavators

Showroom

Take the Tour

Features

Specifications

  • Engine
    Spec Value
    Engine Model Cat C9.3B
    Engine Power - ISO 14396 314 HP
    Bore 4.5 in
    Stroke 5.9 in
    Displacement 568 in³
  • Hydraulic System
    Spec Value
    Main System - Maximum Flow 558 l/min (147 gal/min)
    Maximum Pressure - Equipment 5076 psi
    Maximum Pressure - Equipment - Lift Mode 5511 psi
    Maximum Pressure - Travel 5076 psi
    Maximum Pressure - Swing 4264 psi
  • Swing Mechanism - UHD Fronts
    Spec Value
    Swing Speed 5.2 r/min
  • Swing Mechanism
    Spec Value
    Swing Speed 8.84 r/min
    Maximum Swing Torque 106000 ft·lbf
  • Weights
    Spec Value
    Operating Weight 128000 lb
    Note (1) Operating Weight includes Cat MP332 Multiprocessor with Pulverizer Jaws
    Machine Weight - UHD Configuration 120600 lb
    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 139300 lb
    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 19460 lb
    Retrofit Boom in Cradle - R3.35 TB Stick 15700 lb
    Retrofit Boom in Cradle - R2.9 TB Stick 15460 lb
    2-piece Retrofit boom in cradle - R3.2 DB stick 18980 lb
  • Service Refill Capacities
    Spec Value
    Fuel Tank Capacity 159 gal (US)
    Cooling System 10 gal (US)
    Engine Oil 8 gal (US)
    Swing Drive 5 gal (US)
    Final Drive - Each 2 gal (US)
    Hydraulic System - Including Tank 145.3 gal (US)
    Hydraulic Tank 43 gal (US)
    DEF Tank 21 gal (US)
  • Dimensions
    Spec Value
    Note (1) UHD Front
    Shipping Height - Top of Cab 11.1 ft
    Shipping Length 59.6 ft
    Tail Swing Radius 11.6 ft
    Counterweight Clearance 4.6 ft
    Ground Clearance 1.66 ft
    Track Length 18.9 ft
    Track Gauge 9.3 ft
    Track Length to Center of Rollers 15.6 ft
    Working Gauge - Extended Position 11.1 ft
    Shipping Gauge - Retracted Position 7.8 ft
    Transport Width 9.83 ft
    Machine Length - without Front, with Counterweight 23.25 ft
    Machine Length - without Front and Counterweight 22.83 ft
    Cab Height - With FOGS 11.75 ft
    Track Width - Extended 13.08 ft
    Track Width - Retracted 9.83 ft
    Note (2) 600 mm (24") Track Shoe
  • Working Ranges and Forces
    Spec Value
    Maximum Pin Height at Stick Nose 72.2 ft
    Maximum Weight at Stick Nose 8160 lb
    Maximum Working Pin Height at Stick Nose - 1/2 61 ft
    Maximum Working Reach at Stick Nose - 1/2 45.4 ft
    Maximum Height at Stick Nose in Max Reach Position 41.5 ft
    Maximum Reach at Stick Nose 44.4 ft
    Note (1) 22 m (72' 2") UHD Front Over-the-Front
  • Working Ranges and Forces - Retrofit Boom - Straight
    Spec Value
    Note 1 Straight - R3.9 m DB stick (12' 10") Over-the-Front
    Maximum Pin Height at Stick Nose 42.6 ft
    Maximum Weight at Stick Nose 13190 lb
    Maximum Height at Stick Nose in Max Reach Position 7.6 ft
    Maximum Reach at Stick Nose 37.2 ft
    Bucket 2.27 M3 (2.97 yd3) General Duty
    Maximum Digging Depth 19.75 ft
    Maximum Reach - Ground Level 42.3 ft
    Maximum Loading Height 35.2 ft
    Minimum Loading Height 3.9 ft
    Bucket Digging Force - ISO 47160 lbf
    Stick Digging Force - ISO 32440 lbf
  • Working Ranges and Forces - Retrofit Boom - Bent
    Spec Value
    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 24.8 ft
    Maximum Reach - Ground Level 39.1 ft
    Maximum Cutting Height 35.66 ft
    Maximum Loading Height 25.2 ft
    Minimum Loading Height 7.25 ft
    Bucket Digging Force - ISO 47160 lbf
    Stick digging Force - ISO 32440 lbf

Standard Equipment

NOTE

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

BOOMS AND STICKS

  • Advanced tool control, UHD

CAB

  • Tilt-up demolition cab with P5A 10 mm laminated front and roof glass
  • High resolution touchscreen monitor
  • Premium heated and cooled auto adjustable suspension seat
  • Bluetooth integrated radio
  • Auto bi-level air conditioner
  • Jog dial and shortcut keys for monitor control
  • Keyless push-to-start engine control
  • Height-adjustable console
  • Tilt-up left-side console
  • Cat Stick Steer
  • Auxiliary relay
  • Tilt rocker switch
  • Sky wiper switch
  • LED interior lights
  • Roller front sunscreen
  • P5A fixed windshield
  • FOGS guarding

CAT TECHNOLOGY

  • Cat Product Link
  • Remote Services capability
  • Stability monitoring system for UHD
  • Electronic pitch and roll indicator
  • Swing E-Fence
  • Travel direction indicator
  • Operator coaching
  • Electronic joystick pattern changer
  • Cat Grade with 2D and offset memory (Retrofit boom only)
  • Cat Payload (Retrofit boom only)

ELECTRICAL SYSTEM

  • Maintenance-free 1,000 CCA batteries (x 4)
  • Centralized electrical disconnect switch
  • LED lights

ENGINE

  • Three selectable modes: Power, Smart, ECO
  • Auto engine speed control
  • Up to 4500 m (14,760 ft) altitude capability
  • Reverse fan
  • 52° C (126° F) high-ambient cooling
  • -18° C (0° F) cold start capability
  • Double element air filter with integrated pre-cleaner

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

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 AND MAINTENANCE

  • Grouped location of engine oil and fuel filters
  • Scheduled Oil Sampling (S·O·S) ports

UNDERCARRIAGE AND STRUCTURES

  • Full-length track guiding guards
  • Travel motor guard
  • Bottom guard

Optional Equipment

NOTE

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

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

CAB

  • Roller rear sunscreen

ELECTRICAL SYSTEM

  • Premium surround lighting package

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

SAFETY AND SECURITY

  • 360 visibility

SERVICE AND MAINTENANCE

  • QuickEvav maintenance ready
  • Electric refuleing pump with auto shutoff

UNDERCARRIAGE AND STRUCTURES

  • Long hydraulic Variable Gauge (VG) undercarriage
  • Long undercarriage
  • 600 mm (24 in) double grouser track shoes
  • 600 mm (24 in) triple grouser track shoes
  • 700 mm (28 in) triple grouser track shoes