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340 UHD Ultra High Demolition Hydraulic Excavator 14055

340 UHD Ultra High Demolition Hydraulic Excavator
14055 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..

CAT
Excavators
Price: Request a Quote

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..

Operating Weight
122600 lb
Maximum Pin Height at Stick Nose
72.2 ft
Maximum Weight at Stick Nose
8160 lb
Engine Model
Cat C9.3B

Weights

Operating Weight
122600lb
Note (1)
Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9.0 mt (19,842 lb) counterweight. No work tool.
Machine Weight - Retrofit Configuration
118600lb
Note (2)
Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9.0 mt (19,842 lb) counterweight.
UHD in Cradle
18700lb
Retrofit Boom in Cradle - R3.9 DB Stick
13710lb
Retrofit Boom in Cradle - R3.2 DB Stick
13340lb
Retrofit Boom in Cradle - R2.8 DB Stick
13120lb
2-piece Retrofit boom in cradle - R3.2 DB stick
17440lb

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
38.4ft
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)

Engine

Engine Model
Cat C9.3B
Net Power - ISO 9249
346HP
Engine Power - ISO 14396 (DIN)
351hp (metric)
Engine Power - ISO 14396
347HP
Net Power - ISO 9249 (DIN)
352hp (metric)
Bore
5in
Stroke
6in
Displacement
568in³
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,900 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Hydraulic System

Main System - Maximum Flow
560 l/min (148 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
4.09r/min

Swing Mechanism

Swing Speed
8r/min
Maximum Swing Torque
105000ft·lbf

Service Refill Capacities

Fuel Tank Capacity
159gal (US)
Cooling System
11gal (US)
Engine Oil
9gal (US)
Swing Drive
5gal (US)
Final Drive - Each
2gal (US)
Hydraulic System - Including Tank
145gal (US)
Hydraulic Tank
43gal (US)
DEF Tank
21gal (US)

Dimensions

Note (1)
22 m (72'2") UHD Front
Shipping Height - Top of Cab
11.1ft
Cab Height - With OPG
11.8ft
Shipping Length
49.9ft
Tail Swing Radius
11.6ft
Counterweight Clearance
4.6ft
Ground Clearance
1.7ft
Track Length
18.9ft
Track Length to Center of Rollers
15.6ft
Working Gauge - Extended Position
11.1ft
Shipping Gauge - Retracted Position
7.8ft
Transport Width
10.7ft
Machine Length - without Front, with Counterweight
23.3ft
Machine Length - without Front and Counterweight
22.9ft
Track Width - Extended
13.1ft
Track Width - Retracted
9.8ft
Note (2)
600 mm (24") Track Shoes

Working Ranges and Forces - Retrofit Boom - Straight

Note 1
Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage
Bucket
GD 2.27 m³ (2.97 yd³)
Maximum Pin Height at Stick Nose
39.8ft
Maximum Weight at Stick Nose
9260lb
Maximum Height at Stick Nose in Max Reach Position
7.6ft
Maximum Reach at Stick Nose
34.8ft
Maximum Digging Depth
16.1ft
Maximum Reach - Ground Level
39.9ft
Maximum Loading Height
34ft
Minimum Loading Height
15.7ft
Bucket Digging Force - ISO
47160lbf
Stick Digging Force - ISO
37300lbf

Working Ranges and Forces - Retrofit Boom - Bent

Note 1
Bent - R3.2DB (10'6") Stick - HVG Undercarriage
Bucket
GD 2.27 m³ (2.97 yd³)
Maximum Digging Depth
21.4ft
Maximum Reach - Ground Level
36.7ft
Maximum Cutting Height
35.4ft
Maximum Loading Height
24.9ft
Minimum Loading Height
10.4ft
Bucket Digging Force - ISO
47160lbf
Stick Digging Force - ISO
37300lbf

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Tilt-up demolition cab with P5A laminated front and roof glass
    • High-resolution 254 mm (10") LCD 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
  • Cat Technology
    • VisionLink®
    • Remote Flash
    • Stability monitoring system
    • Electronic pitch and roll indicator
    • 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 lowering check valve (BLCV) for UHD front
    • Stick lower check valve (SLCV) for UHD front
    • Electronic main control valve
    • Heavy lift mode
    • Auto hydraulic oil warmup
    • Auto swing parking brake
    • High Performance hydraulic return filter
    • Two-speed travel
    • Bio hydraulic oil capability
  • Safety And Security
    • 2D E-Fence (swing)
    • Cat One Key security system
    • Lockable external tool/storage box
    • Lockable door, fuel, and hydraulic tanks
    • Lockable fuel drain compartment
    • Lockable disconnect switch
    • Service platform with anti-skid plate and recessed bolts
    • Rear and right-hand side cameras
    • Operator Protective Guards (OPG)
  • Service And Maintenance
    • Integrated vehicle health management system
    • Grouped location of engine oil and fuel filters
    • Scheduled Oil Sampling (S·O·S℠) ports
  • Undercarriage And Structures
    • 9.0 mt (19,842 lb) counterweight
    • 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 (72'2") UHD front
    • 25 m (82'0") UHD front
    • Two-piece Retrofit Variable Adjustment boom
    • 7.4 m (24'3") Retrofit boom
    • 3.9 m (12'10") Retrofit stick
    • 3.2 m (10'6") Retrofit stick
    • 2.8 m (9'2") Retrofit stick
    • Advanced tool control, UHD
    • Cradle for UHD front parts
    • Cradle for Retrofit front parts
  • Cab
    • Roller rear sunscreen
  • Cat Technology
    • VisionLink Productivity
  • Electrical System
    • Premium surround lighting package
  • Engine
    • -32° C (-25° F) cold start capability
    • Cold start block heaters
    • Ether starting aid
  • Hydraulic System
    • SmartBoom with BLCV and Overload Warning Device for UHD front
    • Bio hydraulic oil capability
    • Combined two-way auxiliary circuits
    • High and medium-pressure auxiliary circuits
    • Quick coupler circuit
  • Safety And Security
    • 360° visibility
  • Service And Maintenance
    • QuickEvac maintenance ready
    • Electric refueling pump with auto shutoff
  • Undercarriage And Structures
    • Hydraulic Variable Gauge undercarriage
    • Fixed Gauge undercarriage
    • 600 mm (24 in) double grouser track shoes
    • 600 mm (24 in) HD triple grouser track shoes
    • 700 mm (28 in) triple grouser track shoes
    • 700 mm (28") HD triple grouser track shoes

Specifications

Weights

Operating Weight
122600lb
Note (1)
Hydraulic Variable Gauge undercarriage, 22 m (72'2") UHD front, 600 mm (24") Heavy Duty (HD) triple grouser shoes and 9.0 mt (19,842 lb) counterweight. No work tool.
Machine Weight - Retrofit Configuration
118600lb
Note (2)
Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.2DB (10'6") stick, General Duty (GD) 2.27 m³ (2.97 yd³) bucket, 600 mm (24") HD triple grouser shoes and 9.0 mt (19,842 lb) counterweight.
UHD in Cradle
18700lb
Retrofit Boom in Cradle - R3.9 DB Stick
13710lb
Retrofit Boom in Cradle - R3.2 DB Stick
13340lb
Retrofit Boom in Cradle - R2.8 DB Stick
13120lb
2-piece Retrofit boom in cradle - R3.2 DB stick
17440lb

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
38.4ft
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)

Engine

Engine Model
Cat C9.3B
Net Power - ISO 9249
346HP
Engine Power - ISO 14396 (DIN)
351hp (metric)
Engine Power - ISO 14396
347HP
Net Power - ISO 9249 (DIN)
352hp (metric)
Bore
5in
Stroke
6in
Displacement
568in³
Biodiesel Capability
Up to B20¹
Emissions
Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards.
Note (1)
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air intake system, exhaust system, and alternator with engine speed at 1,900 rpm. Advertised power is tested per the specified standard in effect at the time
Note (2)
¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) or ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)* or 100% renewable diesel, HVO

Hydraulic System

Main System - Maximum Flow
560 l/min (148 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
4.09r/min

Swing Mechanism

Swing Speed
8r/min
Maximum Swing Torque
105000ft·lbf

Service Refill Capacities

Fuel Tank Capacity
159gal (US)
Cooling System
11gal (US)
Engine Oil
9gal (US)
Swing Drive
5gal (US)
Final Drive - Each
2gal (US)
Hydraulic System - Including Tank
145gal (US)
Hydraulic Tank
43gal (US)
DEF Tank
21gal (US)

Dimensions

Note (1)
22 m (72'2") UHD Front
Shipping Height - Top of Cab
11.1ft
Cab Height - With OPG
11.8ft
Shipping Length
49.9ft
Tail Swing Radius
11.6ft
Counterweight Clearance
4.6ft
Ground Clearance
1.7ft
Track Length
18.9ft
Track Length to Center of Rollers
15.6ft
Working Gauge - Extended Position
11.1ft
Shipping Gauge - Retracted Position
7.8ft
Transport Width
10.7ft
Machine Length - without Front, with Counterweight
23.3ft
Machine Length - without Front and Counterweight
22.9ft
Track Width - Extended
13.1ft
Track Width - Retracted
9.8ft
Note (2)
600 mm (24") Track Shoes

Working Ranges and Forces - Retrofit Boom - Straight

Note 1
Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage
Bucket
GD 2.27 m³ (2.97 yd³)
Maximum Pin Height at Stick Nose
39.8ft
Maximum Weight at Stick Nose
9260lb
Maximum Height at Stick Nose in Max Reach Position
7.6ft
Maximum Reach at Stick Nose
34.8ft
Maximum Digging Depth
16.1ft
Maximum Reach - Ground Level
39.9ft
Maximum Loading Height
34ft
Minimum Loading Height
15.7ft
Bucket Digging Force - ISO
47160lbf
Stick Digging Force - ISO
37300lbf

Working Ranges and Forces - Retrofit Boom - Bent

Note 1
Bent - R3.2DB (10'6") Stick - HVG Undercarriage
Bucket
GD 2.27 m³ (2.97 yd³)
Maximum Digging Depth
21.4ft
Maximum Reach - Ground Level
36.7ft
Maximum Cutting Height
35.4ft
Maximum Loading Height
24.9ft
Minimum Loading Height
10.4ft
Bucket Digging Force - ISO
47160lbf
Stick Digging Force - ISO
37300lbf

Air Conditioning System

Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons).

Standard/Optional Features

Standard Equipment:

  • Note
    • Standard and optional equipment may vary. Consult your Cat dealer for details.
  • Cab
    • Tilt-up demolition cab with P5A laminated front and roof glass
    • High-resolution 254 mm (10") LCD 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
  • Cat Technology
    • VisionLink®
    • Remote Flash
    • Stability monitoring system
    • Electronic pitch and roll indicator
    • 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 lowering check valve (BLCV) for UHD front
    • Stick lower check valve (SLCV) for UHD front
    • Electronic main control valve
    • Heavy lift mode
    • Auto hydraulic oil warmup
    • Auto swing parking brake
    • High Performance hydraulic return filter
    • Two-speed travel
    • Bio hydraulic oil capability
  • Safety And Security
    • 2D E-Fence (swing)
    • Cat One Key security system
    • Lockable external tool/storage box
    • Lockable door, fuel, and hydraulic tanks
    • Lockable fuel drain compartment
    • Lockable disconnect switch
    • Service platform with anti-skid plate and recessed bolts
    • Rear and right-hand side cameras
    • Operator Protective Guards (OPG)
  • Service And Maintenance
    • Integrated vehicle health management system
    • Grouped location of engine oil and fuel filters
    • Scheduled Oil Sampling (S·O·S℠) ports
  • Undercarriage And Structures
    • 9.0 mt (19,842 lb) counterweight
    • 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 (72'2") UHD front
    • 25 m (82'0") UHD front
    • Two-piece Retrofit Variable Adjustment boom
    • 7.4 m (24'3") Retrofit boom
    • 3.9 m (12'10") Retrofit stick
    • 3.2 m (10'6") Retrofit stick
    • 2.8 m (9'2") Retrofit stick
    • Advanced tool control, UHD
    • Cradle for UHD front parts
    • Cradle for Retrofit front parts
  • Cab
    • Roller rear sunscreen
  • Cat Technology
    • VisionLink Productivity
  • Electrical System
    • Premium surround lighting package
  • Engine
    • -32° C (-25° F) cold start capability
    • Cold start block heaters
    • Ether starting aid
  • Hydraulic System
    • SmartBoom with BLCV and Overload Warning Device for UHD front
    • Bio hydraulic oil capability
    • Combined two-way auxiliary circuits
    • High and medium-pressure auxiliary circuits
    • Quick coupler circuit
  • Safety And Security
    • 360° visibility
  • Service And Maintenance
    • QuickEvac maintenance ready
    • Electric refueling pump with auto shutoff
  • Undercarriage And Structures
    • Hydraulic Variable Gauge undercarriage
    • Fixed Gauge undercarriage
    • 600 mm (24 in) double grouser track shoes
    • 600 mm (24 in) HD triple grouser track shoes
    • 700 mm (28 in) triple grouser track shoes
    • 700 mm (28") HD triple grouser track shoes

Attachments