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 395 Excavator |
 340 UHD Ultra High Demolition Hydraulic Excavator |
 352 UHD Ultra High Demolition Hydraulic Excavator |
 Cat® 340 Hydraulic Excavator |
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Engine |
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| Net Power - ISO 9249 | 542 HP | 346 HP | 424 HP | 346 HP |
| Net Power - ISO 9249 (DIN) | 550 hp (metric) | 352 hp (metric) | 430 hp (metric) | 351 hp (metric) |
| Engine Model | Cat C18 | Cat C9.3B | Cat C13 | Cat C9.3B |
| Engine Power - ISO 14396 | 543 HP | 347 HP | 425 HP | 347 HP |
| Engine Power - ISO 14396 (DIN) | 551 hp (metric) | 351 hp (metric) | 431 hp (metric) | 352 hp (metric) |
| Bore | 6 in | 5 in | 5 in | 5 in |
| Stroke | 7 in | 6 in | 6 in | 6 in |
| Displacement | 1105 in³ | 568 in³ | 763 in³ | 568 in³ |
| Biodiesel Capability | B20¹ | Up to B20¹ | Up to B20¹ | Up to B20¹ |
| Emissions | Meets U.S. EPA Tier 4 Final, EU Stage V, Korea Stage V, and Japan 2014 emission standards. | Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. | Meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. | 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 1,700 rpm. Advertised power is tested per the specified standard in effect at time of m | 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 | 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 1,800 rpm. Advertised power is tested per the specified standard in effect at the time | 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 2,000 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 | 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 | 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 | 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 |
Weights |
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| Operating Weight | 207400 lb | 122600 lb | 143300 lb | 83100 lb |
| Note (1) | Long Variable Gauge undercarriage, GP boom, R4.4HB2 (14'5") stick, SD 5.2 m³ (6.8 yd³) bucket, 900 mm (35") double grouser shoes and counterweight with removal device. | 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. | Hydraulic Variable Gauge undercarriage, 28 m (91'10") UHD front, 600 mm (24") triple grouser shoes and 12.0 mt (26,455 lb) counterweight. No work tool. | - |
| Machine Weight - Retrofit Configuration | - | 118600 lb | 139300 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 | - | 18700 lb | 26000 lb | - |
| Retrofit Boom in Cradle - R3.9 DB Stick | - | 13710 lb | - | - |
| Retrofit Boom in Cradle - R3.2 DB Stick | - | 13340 lb | - | - |
| Retrofit Boom in Cradle - R2.8 DB Stick | - | 13120 lb | - | - |
| 2-piece Retrofit boom in cradle - R3.2 DB stick | - | 17440 lb | - | - |
| Note (3) | - | - | Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.35TB (11'0") stick, HD 2.41 m³ ( 3.15 yd³) bucket, 600 mm (24") triple grouser shoes and 12.0 mt (26,455 lb) counterweight. | - |
| Retrofit Boom in Cradle - R3.9 TB Stick | - | - | 16310 lb | - |
| Retrofit Boom in Cradle - R3.35 TB Stick | - | - | 15950 lb | - |
| Retrofit Boom in Cradle - R2.9 TB Stick | - | - | 15760 lb | - |
Working Ranges & Forces |
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| Maximum Digging Depth | 31.9 ft | - | - | 26.9 ft |
| Boom | GP 8.4m (25'7") | - | - | Reach 6.5 m (21'4") |
| Stick | R4.4m (14'5") | - | - | Reach 3.9 m (12'10") |
| Bucket | SD 5.2m³ (6.8 yd³) | - | - | HD 2.36 m³ (3.08 yd³) |
| Maximum Reach at Ground Level | 48.3 ft | - | - | 38.6 ft |
| Maximum Cutting Height | 44.5 ft | - | - | 35.3 ft |
| Maximum Loading Height | 30.4 ft | - | - | 24.5 ft |
| Minimum Loading Height | 9.11 ft | - | - | 6.2 ft |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 31.4 ft | - | - | 26.5 ft |
| Maximum Vertical Wall Digging Depth | 22.3 ft | - | - | 21.1 ft |
| Bucket Digging Force - ISO | 86100 ft·lbf | - | - | 47190 lbf |
| Stick Digging Force - ISO | 68540 ft·lbf | - | - | 32480 lbf |
Hydraulic System |
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| Main System - Maximum Flow - Implement | 281 gal/min | - | - | - |
| Maximum Pressure - Equipment | 5366 psi | 5076 psi | 5076 psi | 5076 psi |
| Maximum Pressure - Travel | 5076 psi | 5076 psi | 5076 psi | 5076 psi |
| Maximum Pressure - Swing | 4496 psi | 4264 psi | 3771 psi | 4264 psi |
| Main System - Maximum Flow | - | 560 l/min (148 gal/min) | 779 l/min (206 gal/min) | 148 gal/min |
| Maximum Pressure - Equipment - Lift Mode | - | 5511 psi | 5511 psi | 5511 psi |
Swing Mechanism |
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| Swing Speed | 6.26 r/min | 8 r/min | 8.44 r/min | 8.84 r/min |
| Maximum Swing Torque | 267333 ft·lbf | 105000 ft·lbf | 139000 ft·lbf | 105214 ft·lbf |
Service Refill Capacities |
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| Fuel Tank Capacity | 322 gal (US) | 159 gal (US) | 188.9 gal (US) | 158.5 gal (US) |
| Cooling System | 19 gal (US) | 11 gal (US) | 13.7 gal (US) | 10.5 gal (US) |
| Engine Oil | 18 gal (US) | 9 gal (US) | 10.6 gal (US) | 8.5 gal (US) |
| Swing Drive | 6 gal (US) | 5 gal (US) | - | - |
| Final Drive - Each | 5 gal (US) | 2 gal (US) | 2.5 gal (US) | 2.1 gal (US) |
| Hydraulic System - Including Tank | 196 gal (US) | 145 gal (US) | 145.3 gal (US) | 98.5 gal (US) |
| Hydraulic Tank | 98 gal (US) | 43 gal (US) | 57.3 gal (US) | 42.5 gal (US) |
| DEF Tank | 21 gal (US) | 21 gal (US) | 12.2 gal (US) | 21.1 gal (US) |
| Swing Drive - Each | - | - | 2.8 gal (US) | 4.8 gal (US) |
Dimensions |
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| Boom | GP 8.4m (25'7") | - | - | Reach 6.5 m (21'4") |
| Stick | R4.4m (14'5") | - | - | Reach 3.9 m (12'10") |
| Bucket | SD 5.2m³ (6.8 yd³) | - | - | HD 2.36 m³ (3.08 yd³) |
| Shipping Height - Top of Cab | 12 ft | 11.1 ft | 11.1 ft | 10.5 ft |
| Handrail Height | 12.4 ft | - | - | 10.5 ft |
| Shipping Length | 49.6 ft | 49.9 ft | 61.8 ft | 36.8 ft |
| Tail Swing Radius | 15.11 ft | 11.6 ft | 12.3 ft | 11.7 ft |
| Counterweight Clearance | 5.5 ft | 4.6 ft | 4.7 ft | 4.2 ft |
| Ground Clearance | 2.9 ft | 1.7 ft | 1.7 ft | 1.8 ft |
| Track Length | 20.1 ft | 18.9 ft | 18.9 ft | 16.6 ft |
| Track Length to Center of Rollers | 16.1 ft | 15.6 ft | 15.6 ft | 13.3 ft |
| Track Gauge | 11.6 ft | - | - | 9 ft |
| Transport Width | 12.9 ft | 10.7 ft | 10.7 ft | - |
| Note | Track gauge undercarriage extended with 900 mm (35") shoes; transport width undercarriage retracted with 900 mm (35") shoes and no steps | - | - | - |
| Note (1) | - | 22 m (72'2") UHD Front | 28 m (91'10") UHD Front | - |
| Cab Height - With OPG | - | 11.8 ft | 11.8 ft | - |
| Working Gauge - Extended Position | - | 11.1 ft | 11.2 ft | - |
| Shipping Gauge - Retracted Position | - | 7.8 ft | 7.9 ft | - |
| Machine Length - without Front, with Counterweight | - | 23.3 ft | 25.5 ft | - |
| Machine Length - without Front and Counterweight | - | 22.9 ft | 24.9 ft | - |
| Track Width - Extended | - | 13.1 ft | 13.1 ft | - |
| Track Width - Retracted | - | 9.8 ft | 9.8 ft | - |
| Note (2) | - | 600 mm (24") Track Shoes | 600 mm (24") Track Shoes | - |
| Transport Width - 850 mm (33”) Shoes | - | - | - | 11.9 ft |
Sustainability |
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| Recyclability | 98% | - | - | - |
Air Conditioning System |
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| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.00 kg (2.2lb) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons). | 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). | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.00 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes. | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.00 kg of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes. |
Working Ranges and Forces |
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| Maximum Pin Height at Stick Nose | - | 72.2 ft | 90.8 ft | - |
| Maximum Weight at Stick Nose | - | 8160 lb | 8157 lb | - |
| Maximum Working Pin Height at Stick Nose - 1/2 | - | 61 ft | 75.2 ft | - |
| Maximum Working Reach at Stick Nose - 1/2 | - | 38.4 ft | 45.4 ft | - |
| Maximum Height at Stick Nose in Max Reach Position | - | 41.5 ft | 52.9 ft | - |
| Maximum Reach at Stick Nose | - | 44.4 ft | 51.7 ft | - |
| Note (1) | - | 22 m (72' 2") UHD Front (Over-the-Front) | 28 m (91' 10") UHD Front Over-the-Front | - |
Swing Mechanism - UHD Fronts |
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| Swing Speed | - | 4.09 r/min | 4.22 r/min | - |
Working Ranges and Forces - Retrofit Boom - Straight |
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| Note 1 | - | Straight - R3.2 m (10' 6") Stick (Over-the-Front) - HVG Undercarriage | Straight - R3.35 m (11'0") Stick (Over-the-Front) | - |
| Bucket | - | GD 2.27 m³ (2.97 yd³) | GD 3.08 m³ (4.03 yd³) | - |
| Maximum Pin Height at Stick Nose | - | 39.8 ft | 39.8 ft | - |
| Maximum Weight at Stick Nose | - | 9260 lb | 13190 lb | - |
| Maximum Height at Stick Nose in Max Reach Position | - | 7.6 ft | 7.7 ft | - |
| Maximum Reach at Stick Nose | - | 34.8 ft | 36.5 ft | - |
| Maximum Digging Depth | - | 16.1 ft | 17 ft | - |
| Maximum Reach - Ground Level | - | 39.9 ft | 41.9 ft | - |
| Maximum Loading Height | - | 34 ft | 33.6 ft | - |
| Minimum Loading Height | - | 15.7 ft | 15 ft | - |
| Bucket Digging Force - ISO | - | 47160 lbf | 60250 lbf | - |
| Stick Digging Force - ISO | - | 37300 lbf | 44740 lbf | - |
Working Ranges and Forces - Retrofit Boom - Bent |
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| Note 1 | - | Bent - R3.2DB (10'6") Stick - HVG Undercarriage | Bent - R3.35 m (11'0") Stick | - |
| Bucket | - | GD 2.27 m³ (2.97 yd³) | GD 3.08 m³ (4.03 yd³) | - |
| Maximum Digging Depth | - | 21.4 ft | 21.9 ft | - |
| Maximum Reach - Ground Level | - | 36.7 ft | 39 ft | - |
| Maximum Cutting Height | - | 35.4 ft | 35.1 ft | - |
| Maximum Loading Height | - | 24.9 ft | 24.6 ft | - |
| Minimum Loading Height | - | 10.4 ft | 10 ft | - |
| Bucket Digging Force - ISO | - | 47160 lbf | 60250 lbf | - |
| Stick Digging Force - ISO | - | 37300 lbf | 44740 lbf | - |
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