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..

From: $443,382.66*

* Taxes, shipping & handling, surcharges, assembly charges, destination, freight and/or delivery charges are not included. This is not an offer for sale. Displayed pricing is for informational purposes only. The pricing shown above utilizes the Manufacturer's Suggested Retail Price (MSRP) that is published for the machine (without any attachments or protection plans) as described above. The actual prices and terms and conditions of sale for all products are to be solely determined by the selling

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

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