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..
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Weights
- Operating Weight
- 122,600 lb
- 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
- 118,600 lb
- 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
- 18,700 lb
- Retrofit Boom in Cradle - R3.9 DB Stick
- 13,710 lb
- Retrofit Boom in Cradle - R3.2 DB Stick
- 13,340 lb
- Retrofit Boom in Cradle - R2.8 DB Stick
- 13,120 lb
- 2-Piece Retrofit Boom in Cradle - R3.2 DB Stick
- 17,440 lb
Working Ranges and Forces
- Maximum Pin Height at Stick Nose
- 72.2 ft
- Maximum Weight at Stick Nose
- 8,160 lb
- Maximum Working Pin Height at Stick Nose - 1/2
- 61 ft
- Maximum Working Reach at Stick Nose - 1/2
- 38.4 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)
Engine
- Engine Model
- Cat C9.3B
- Net Power - ISO 9249
- 346 hp
- Engine Power - ISO 14396 (DIN)
- 351 hp (metric)
- Net Power - ISO 9249 (DIN)
- 352 hp (metric)
- Engine Power - ISO 14396
- 347 hp
- Bore
- 5 in
- Stroke
- 6 in
- Displacement
- 568 in³
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 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
- 5,076 psi
- Maximum Pressure - Equipment - Lift Mode
- 5,511 psi
- Maximum Pressure - Travel
- 5,076 psi
- Maximum Pressure - Swing
- 4,264 psi
Swing Mechanism - UHD Fronts
- Swing Speed
- 4.09 r/min
Swing Mechanism
- Swing Speed
- 8 r/min
- Maximum Swing Torque
- 105,000 ft·lbf
Service Refill Capacities
- Fuel Tank Capacity
- 159 gal (US)
- Cooling System
- 11 gal (US)
- Engine Oil
- 9 gal (US)
- Swing Drive
- 5 gal (US)
- Final Drive - Each
- 2 gal (US)
- Hydraulic System - Including Tank
- 145 gal (US)
- Hydraulic Tank
- 43 gal (US)
- DEF Tank
- 21 gal (US)
Dimensions
- Note (1)
- 22 m (72'2") UHD Front
- Shipping Height - Top of Cab
- 11.1 ft
- Cab Height - With OPG
- 11.8 ft
- Shipping Length
- 49.9 ft
- Tail Swing Radius
- 11.6 ft
- Counterweight Clearance
- 4.6 ft
- Ground Clearance
- 1.7 ft
- Track Length
- 18.9 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
- 10.7 ft
- Machine Length - without Front, with Counterweight
- 23.3 ft
- Machine Length - without Front and Counterweight
- 22.9 ft
- Track Width - Extended
- 13.1 ft
- Track Width - Retracted
- 9.8 ft
- 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
- 39.8 ft
- Maximum Weight at Stick Nose
- 9,260 lb
- Maximum Height at Stick Nose in Max Reach Position
- 7.6 ft
- Maximum Reach at Stick Nose
- 34.8 ft
- Maximum Digging Depth
- 16.1 ft
- Maximum Reach - Ground Level
- 39.9 ft
- Maximum Loading Height
- 34 ft
- Minimum Loading Height
- 15.7 ft
- Bucket Digging Force - ISO
- 47,160 lbf
- Stick Digging Force - ISO
- 37,300 lbf
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
- 21.4 ft
- Maximum Reach - Ground Level
- 36.7 ft
- Maximum Cutting Height
- 35.4 ft
- Maximum Loading Height
- 24.9 ft
- Minimum Loading Height
- 10.4 ft
- Bucket Digging Force - ISO
- 47,160 lbf
- Stick Digging Force - ISO
- 37,300 lbf
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). 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
- 122,600 lb
- 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
- 118,600 lb
- 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
- 18,700 lb
- Retrofit Boom in Cradle - R3.9 DB Stick
- 13,710 lb
- Retrofit Boom in Cradle - R3.2 DB Stick
- 13,340 lb
- Retrofit Boom in Cradle - R2.8 DB Stick
- 13,120 lb
- 2-Piece Retrofit Boom in Cradle - R3.2 DB Stick
- 17,440 lb
Working Ranges and Forces
- Maximum Pin Height at Stick Nose
- 72.2 ft
- Maximum Weight at Stick Nose
- 8,160 lb
- Maximum Working Pin Height at Stick Nose - 1/2
- 61 ft
- Maximum Working Reach at Stick Nose - 1/2
- 38.4 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)
Engine
- Engine Model
- Cat C9.3B
- Net Power - ISO 9249
- 346 hp
- Engine Power - ISO 14396 (DIN)
- 351 hp (metric)
- Net Power - ISO 9249 (DIN)
- 352 hp (metric)
- Engine Power - ISO 14396
- 347 hp
- Bore
- 5 in
- Stroke
- 6 in
- Displacement
- 568 in³
- Biodiesel Capability
- Up to B20¹
- Emissions
- Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2,014 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
- 5,076 psi
- Maximum Pressure - Equipment - Lift Mode
- 5,511 psi
- Maximum Pressure - Travel
- 5,076 psi
- Maximum Pressure - Swing
- 4,264 psi
Swing Mechanism - UHD Fronts
- Swing Speed
- 4.09 r/min
Swing Mechanism
- Swing Speed
- 8 r/min
- Maximum Swing Torque
- 105,000 ft·lbf
Service Refill Capacities
- Fuel Tank Capacity
- 159 gal (US)
- Cooling System
- 11 gal (US)
- Engine Oil
- 9 gal (US)
- Swing Drive
- 5 gal (US)
- Final Drive - Each
- 2 gal (US)
- Hydraulic System - Including Tank
- 145 gal (US)
- Hydraulic Tank
- 43 gal (US)
- DEF Tank
- 21 gal (US)
Dimensions
- Note (1)
- 22 m (72'2") UHD Front
- Shipping Height - Top of Cab
- 11.1 ft
- Cab Height - With OPG
- 11.8 ft
- Shipping Length
- 49.9 ft
- Tail Swing Radius
- 11.6 ft
- Counterweight Clearance
- 4.6 ft
- Ground Clearance
- 1.7 ft
- Track Length
- 18.9 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
- 10.7 ft
- Machine Length - without Front, with Counterweight
- 23.3 ft
- Machine Length - without Front and Counterweight
- 22.9 ft
- Track Width - Extended
- 13.1 ft
- Track Width - Retracted
- 9.8 ft
- 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
- 39.8 ft
- Maximum Weight at Stick Nose
- 9,260 lb
- Maximum Height at Stick Nose in Max Reach Position
- 7.6 ft
- Maximum Reach at Stick Nose
- 34.8 ft
- Maximum Digging Depth
- 16.1 ft
- Maximum Reach - Ground Level
- 39.9 ft
- Maximum Loading Height
- 34 ft
- Minimum Loading Height
- 15.7 ft
- Bucket Digging Force - ISO
- 47,160 lbf
- Stick Digging Force - ISO
- 37,300 lbf
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
- 21.4 ft
- Maximum Reach - Ground Level
- 36.7 ft
- Maximum Cutting Height
- 35.4 ft
- Maximum Loading Height
- 24.9 ft
- Minimum Loading Height
- 10.4 ft
- Bucket Digging Force - ISO
- 47,160 lbf
- Stick Digging Force - ISO
- 37,300 lbf
Air Conditioning System
- Air Conditioning
- The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1,430). 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