Get a quote340 UHD Ultra High Demolition Hydraulic Excavator
Demolition Excavator with the Largest Work Tools for 6 to 7 Story Work
More Comfort – More Performance – More Versatility
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MAXIMIZE MACHINE UTILIZATION
Hydraulic quick disconnect requires no tools to swap booms in 15 minutes; choose your front - work up to 22 m with a 3.7 T tool (72 ft with 8,160 lb tool) or up to 25 m with a 3.3 T tool (82 ft with 7,275 lb tool) front or basement to 2 story work and truckloading with Retrofit.
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MAXIMIZE JOBSITE EFFICIENCY
Variable gauge undercarriage provides excellent stability extended and ease of transportation retracted.
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COMFORT & SAFETY
Deluxe cab tilts 30 degrees for a more ergonomic operator station includes P5A high resistance glass for safety and premium seat for comfort while 254 mm (10 in) color touchscreen indicates easy to read stability monitoring system information.
Engine
| Biodiesel Capability | Up to B20¹ |
| Bore | 5 in |
| Displacement | 568 in³ |
| Emissions | Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. |
| Engine Model | Cat C9.3B |
| Engine Power - ISO 14396 | 347 hp |
| Engine Power - ISO 14396 (DIN) | 352 hp (metric) |
| Net Power - ISO 9249 | 346 hp |
| Net Power - ISO 9249 (DIN) | 351 hp (metric) |
| 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 of manufacture. |
| Note (2) | ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). |
| Stroke | 6 in |
Hydraulic System
| Main System - Maximum Flow | 560 l/min (148 gal/min) |
| Maximum Pressure - Equipment | 5076 psi |
| Maximum Pressure - Equipment - Lift Mode | 5511 psi |
| Maximum Pressure - Swing | 4264 psi |
| Maximum Pressure - Travel | 5076 psi |
Swing Mechanism - UHD Fronts
| Swing Speed | 4.09 r/min |
Swing Mechanism
| Maximum Swing Torque | 105000 lbf·ft |
| Swing Speed | 8 r/min |
Weights
| 2-Piece Retrofit Boom in Cradle - R3.2 DB Stick | 17440 lb |
| Machine Weight - Retrofit Configuration | 118600 lb |
| Note (1) | Hydraulic Variable Gauge undercarriage, 25 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. |
| 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. |
| Operating Weight | 122600 lb |
| Retrofit Boom in Cradle - R2.8 DB Stick | 13120 lb |
| Retrofit Boom in Cradle - R3.2 DB Stick | 13340 lb |
| Retrofit Boom in Cradle - R3.9 DB Stick | 13710 lb |
| UHD in Cradle | 18700 lb |
Service Refill Capacities
| Cooling System | 10.5 gal (US) |
| DEF Tank | 21.1 gal (US) |
| Engine Oil | 8.5 gal (US) |
| Final Drive - Each | 2.1 gal (US) |
| Fuel Tank Capacity | 158.5 gal (US) |
| Hydraulic System - Including Tank | 145.3 gal (US) |
| Hydraulic Tank | 42.5 gal (US) |
| Swing Drive | 4.8 gal (US) |
Dimensions
| Cab Height - With OPG | 11.8 ft |
| Counterweight Clearance | 4.6 ft |
| Ground Clearance | 1.7 ft |
| Machine Length - without Front and Counterweight | 22.8 ft |
| Machine Length - without Front, with Counterweight | 23.3 ft |
| Note (1) | 22 m (72'2") UHD Front |
| Note (2) | 600 mm (24") Track Shoes |
| Shipping Gauge - Retracted Position | 7.8 ft |
| Shipping Height - Top of Cab | 11.1 ft |
| Shipping Length | 49.8 ft |
| Tail Swing Radius | 11.6 ft |
| Track Length | 18.9 ft |
| Track Length to Center of Rollers | 15.7 ft |
| Track Width - Extended | 13.1 ft |
| Track Width - Retracted | 9.8 ft |
| Transport Width | 10.7 ft |
| Working Gauge - Extended Position | 11.2 ft |
Working Ranges and Forces
| Maximum Height at Stick Nose in Max Reach Position | 41.5 ft |
| Maximum Pin Height at Stick Nose | 72.2 ft |
| Maximum Reach at Stick Nose | 44.4 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 | 38.4 ft |
| Note (1) | 22 m (72' 2") UHD Front (Over-the-Front) |
Working Ranges and Forces - Retrofit Boom - Straight
| Bucket | GD 2.27 m³ (2.97 yd³) |
| Bucket Digging Force - ISO | 47160 lbf |
| Maximum Digging Depth | 16.1 ft |
| Maximum Height at Stick Nose in Max Reach Position | 7.6 ft |
| Maximum Loading Height | 34 ft |
| Maximum Pin Height at Stick Nose | 39.8 ft |
| Maximum Reach - Ground Level | 39.9 ft |
| Maximum Reach at Stick Nose | 34.8 ft |
| Maximum Weight at Stick Nose | 9260 lb |
| Minimum Loading Height | 15.8 ft |
| Note 1 | Straight - R3.2DB m (10' 6") Stick (Over-the-Front) - HVG Undercarriage |
| Stick Digging Force - ISO | 37300 lbf |
Working Ranges and Forces - Retrofit Boom - Bent
| Bucket | GD 2.27 m³ (2.97 yd³) |
| Bucket Digging Force - ISO | 47160 lbf |
| Maximum Cutting Height | 35.4 ft |
| Maximum Digging Depth | 21.4 ft |
| Maximum Loading Height | 24.9 ft |
| Maximum Reach - Ground Level | 36.7 ft |
| Minimum Loading Height | 10.4 ft |
| Note 1 | Bent - R3.2DB (10'6") Stick - HVG Undercarriage |
| Stick Digging Force - ISO | 37300 lbf |
Air Conditioning System
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. If equipped with R134a (Global Warming Potential = 1430), the system contains 1.000 kg (2.205lb.) of refrigerant, which has a CO2 equivale of 1.430 metric tonnes (1.576 tons). If equipped with R1234yf (Global Warming Potential = 0.501), the system contains 0.790 kg (1.742 lb.) of refrigerant, which has a CO2 equivalent of 0.001 metric tonnes (0.001 tons). |
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Engine
| Biodiesel Capability | Up to B20¹ |
| Bore | 5 in |
| Displacement | 568 in³ |
| Emissions | Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. |
| Engine Model | Cat C9.3B |
| Engine Power - ISO 14396 | 347 hp |
| Engine Power - ISO 14396 (DIN) | 352 hp (metric) |
| Net Power - ISO 9249 | 346 hp |
| Net Power - ISO 9249 (DIN) | 351 hp (metric) |
| 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 of manufacture. |
| Note (2) | ¹Cat diesel engines are required to use ULSD (ultra-low sulfur diesel fuel with 15 ppm of sulfur or less) and are compatible* with ULSD blended with the following lower-carbon intensity fuels** up to: 20% biodiesel FAME (fatty acid methyl ester)*** 100% renewable diesel, HVO (hydrotreated vegetable oil) and GTL (gas-to-liquid) fuels Refer to guidelines for successful application. Please consult your Cat dealer or “Caterpillar Machine Fluids Recommendations” (SEBU6250) for details. *While Caterpillar engines are compatible with these alternative fuels, some regions may not allow their use. ** Tailpipe greenhouse gas emissions from lower-carbon intensity fuels are essentially the same as traditional fuels. *** Engines with no aftertreatment devices are compatible with higher blends, up to 100% biodiesel (for use of blends higher than 20% biodiesel, consult your Cat dealer). |
| Stroke | 6 in |
Hydraulic System
| Main System - Maximum Flow | 560 l/min (148 gal/min) |
| Maximum Pressure - Equipment | 5076 psi |
| Maximum Pressure - Equipment - Lift Mode | 5511 psi |
| Maximum Pressure - Swing | 4264 psi |
| Maximum Pressure - Travel | 5076 psi |
Swing Mechanism - UHD Fronts
| Swing Speed | 4.09 r/min |
Swing Mechanism
| Maximum Swing Torque | 105000 lbf·ft |
| Swing Speed | 8 r/min |
Weights
| 2-Piece Retrofit Boom in Cradle - R3.2 DB Stick | 17440 lb |
| Machine Weight - Retrofit Configuration | 118600 lb |
| Note (1) | Hydraulic Variable Gauge undercarriage, 25 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. |
| 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. |
| Operating Weight | 122600 lb |
| Retrofit Boom in Cradle - R2.8 DB Stick | 13120 lb |
| Retrofit Boom in Cradle - R3.2 DB Stick | 13340 lb |
| Retrofit Boom in Cradle - R3.9 DB Stick | 13710 lb |
| UHD in Cradle | 18700 lb |
Service Refill Capacities
| Cooling System | 10.5 gal (US) |
| DEF Tank | 21.1 gal (US) |
| Engine Oil | 8.5 gal (US) |
| Final Drive - Each | 2.1 gal (US) |
| Fuel Tank Capacity | 158.5 gal (US) |
| Hydraulic System - Including Tank | 145.3 gal (US) |
| Hydraulic Tank | 42.5 gal (US) |
| Swing Drive | 4.8 gal (US) |
Dimensions
| Cab Height - With OPG | 11.8 ft |
| Counterweight Clearance | 4.6 ft |
| Ground Clearance | 1.7 ft |
| Machine Length - without Front and Counterweight | 22.8 ft |
| Machine Length - without Front, with Counterweight | 23.3 ft |
| Note (1) | 22 m (72'2") UHD Front |
| Note (2) | 600 mm (24") Track Shoes |
| Shipping Gauge - Retracted Position | 7.8 ft |
| Shipping Height - Top of Cab | 11.1 ft |
| Shipping Length | 49.8 ft |
| Tail Swing Radius | 11.6 ft |
| Track Length | 18.9 ft |
| Track Length to Center of Rollers | 15.7 ft |
| Track Width - Extended | 13.1 ft |
| Track Width - Retracted | 9.8 ft |
| Transport Width | 10.7 ft |
| Working Gauge - Extended Position | 11.2 ft |
Working Ranges and Forces
| Maximum Height at Stick Nose in Max Reach Position | 41.5 ft |
| Maximum Pin Height at Stick Nose | 72.2 ft |
| Maximum Reach at Stick Nose | 44.4 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 | 38.4 ft |
| Note (1) | 22 m (72' 2") UHD Front (Over-the-Front) |
Working Ranges and Forces - Retrofit Boom - Straight
| Bucket | GD 2.27 m³ (2.97 yd³) |
| Bucket Digging Force - ISO | 47160 lbf |
| Maximum Digging Depth | 16.1 ft |
| Maximum Height at Stick Nose in Max Reach Position | 7.6 ft |
| Maximum Loading Height | 34 ft |
| Maximum Pin Height at Stick Nose | 39.8 ft |
| Maximum Reach - Ground Level | 39.9 ft |
| Maximum Reach at Stick Nose | 34.8 ft |
| Maximum Weight at Stick Nose | 9260 lb |
| Minimum Loading Height | 15.8 ft |
| Note 1 | Straight - R3.2DB m (10' 6") Stick (Over-the-Front) - HVG Undercarriage |
| Stick Digging Force - ISO | 37300 lbf |
Working Ranges and Forces - Retrofit Boom - Bent
| Bucket | GD 2.27 m³ (2.97 yd³) |
| Bucket Digging Force - ISO | 47160 lbf |
| Maximum Cutting Height | 35.4 ft |
| Maximum Digging Depth | 21.4 ft |
| Maximum Loading Height | 24.9 ft |
| Maximum Reach - Ground Level | 36.7 ft |
| Minimum Loading Height | 10.4 ft |
| Note 1 | Bent - R3.2DB (10'6") Stick - HVG Undercarriage |
| Stick Digging Force - ISO | 37300 lbf |
Air Conditioning System
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf. See the label or instruction manual for identification of the gas. If equipped with R134a (Global Warming Potential = 1430), the system contains 1.000 kg (2.205lb.) of refrigerant, which has a CO2 equivale of 1.430 metric tonnes (1.576 tons). If equipped with R1234yf (Global Warming Potential = 0.501), the system contains 0.790 kg (1.742 lb.) of refrigerant, which has a CO2 equivalent of 0.001 metric tonnes (0.001 tons). |