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 310 Mini Hydraulic Excavator |
 340 UHD Ultra High Demolition Hydraulic Excavator |
 374 Hydraulic Excavator |
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Engine |
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| Net Power | 69.5 HP | - | - |
| Note 1 | Advertised power is tested per the specified standard in effect at the time of manufacture. | - | - |
| Stroke | 4.7 in | 6 in | 6.7 in |
| Note | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. | - | - |
| Bore | 3.7 in | 5 in | 5.4 in |
| Displacement | 203 in³ | 568 in³ | 928 in³ |
| Gross Power - SAE J1995:2014 | 74.3 HP | - | - |
| Engine Model - U.S. EPA Tier 4 Final/EU Stage V | Cat® C3.3B | - | - |
| Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC | 69.5 HP | - | - |
| Engine Model | - | Cat C9.3B | Cat C15 |
| Net Power - ISO 9249 | - | 346 HP | 484 HP |
| Engine Power - ISO 14396 (DIN) | - | 351 hp (metric) | 492 hp (metric) |
| Engine Power - ISO 14396 | - | 347 HP | 485 HP |
| Net Power - ISO 9249 (DIN) | - | 352 hp (metric) | 491 hp (metric) |
| Biodiesel Capability | - | Up to B20¹ | Up to B20¹ |
| Emissions | - | 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, Korea 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 | 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 |
| 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 |
Weights |
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| Operating Weight | 22451 lb | 122600 lb | 162900 lb |
| Minimum Operating Weight with Cab* | 21170 lb | - | - |
| Maximum Operating Weight with Cab** | 22451 lb | - | - |
| Note (2) | **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. | 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. | - |
| Note (1) | *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket. | 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 | - | 118600 lb | - |
| UHD in Cradle | - | 18700 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 | - | - | Long Variable Gauge undercarriage, Reach boom, R4.67VB (15'4") stick, SD 3.3 m³ (4.32 yd³) bucket, 900 mm (35") HD double grouser shoes and removal type counterweight. |
Dimensions |
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| Dig Depth | 205.2 in | - | - |
| Note (1) | - | 22 m (72'2") UHD Front | - |
| Shipping Height - Top of Cab | - | 11.1 ft | 11.8 ft |
| Cab Height - With OPG | - | 11.8 ft | - |
| Shipping Length | - | 49.9 ft | 44.9 ft |
| Tail Swing Radius | - | 11.6 ft | 13.8 ft |
| Counterweight Clearance | - | 4.6 ft | 4.1 ft |
| Ground Clearance | - | 1.7 ft | 2.6 ft |
| Track Length | - | 18.9 ft | 19.3 ft |
| Track Length to Center of Rollers | - | 15.6 ft | 15.5 ft |
| Working Gauge - Extended Position | - | 11.1 ft | - |
| Shipping Gauge - Retracted Position | - | 7.8 ft | - |
| Transport Width | - | 10.7 ft | 11.1 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 | - |
| Boom | - | - | Reach 7.8m (25'7") |
| Stick | - | - | R3.6m (11'10") |
| Bucket | - | - | SD 3.3 m³ (4.32 yd³) |
| Handrail Height | - | - | 13 ft |
| Track Gauge | - | - | 11.2 ft |
| Note | - | - | Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps |
Blade |
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| Height | 17 in | - | - |
| Width - Standard | 97.2 in | - | - |
| Width - Wide | 103.9 in | - | - |
Hydraulic System |
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| Maximum Auxiliary Circuit - Primary - Pressure at Pump | 4134 psi | - | - |
| Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 4134 psi | - | - |
| Maximum Auxiliary Circuit - Primary - Flow at Pump | 35 gal/min | - | - |
| Operating Pressure - Swing | 3336 psi | - | - |
| Digging Force - Bucket | 17459 lb | - | - |
| Operating Pressure - Travel | 4134 psi | - | - |
| Operating Pressure - Equipment | 4134 psi | - | - |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. | - | - |
| Digging Force - Stick | 11060 lb | - | - |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump | - | - |
| Pump Flow at 2,400 rpm | 62 gal/min | - | - |
| Maximum Auxiliary Circuit - Secondary - Flow at Pump | 9 gal/min | - | - |
| Main System - Maximum Flow | - | 560 l/min (148 gal/min) | - |
| Maximum Pressure - Equipment | - | 5076 psi | 5366 psi |
| Maximum Pressure - Equipment - Lift Mode | - | 5511 psi | 5511 psi |
| Maximum Pressure - Travel | - | 5076 psi | 5076 psi |
| Maximum Pressure - Swing | - | 4264 psi | 5076 psi |
| Main System - Maximum Flow - Implement | - | - | 237 gal/min |
Swing System |
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| Machine Swing Speed | 10.6 r/min | - | - |
Certification - Cab |
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| Top Guard | ISO 10262:1998 (Level I) | - | - |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 | - | - |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 | - | - |
Sound |
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| Note | European Union Directive "2000/14/EC" | - | - |
| Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) | - | - |
| Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | - | - |
Dimensions - Standard Stick |
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| Tail Swing without Counterweight | 70.9 in | - | - |
| Stick Length | 98.4 in | - | - |
| Boom In Reach | 83.3 in | - | - |
| Maximum Reach | 303 in | - | - |
| Dig Depth | 205.2 in | - | - |
| Ground Clearance - Frame | 14 in | - | - |
| O/A Track Width | 97.2 in | - | - |
| Cab Height | 100 in | - | - |
| Track Belt/Shoe Width | 17.7 in | - | - |
| Maximum Blade Depth | 18.8 in | - | - |
| Maximum Dump Clearance | 229.5 in | - | - |
| Maximum Dig Height | 313.8 in | - | - |
| Maximum Blade Height | 16.6 in | - | - |
| Tail Swing - Standard Counterweight | 76.1 in | - | - |
| O/A Undercarriage Length | 126 in | - | - |
| Vertical Wall | 172.6 in | - | - |
| Swing Bearing - Height | 28.9 in | - | - |
| Maximum Reach - Ground Level | 298 in | - | - |
| Overall Shipping Length - with Counterweight | 274.9 in | - | - |
| Note (2) | **Boom Height when stick is pinned in working position with attachments. | - | - |
| Note (1) | *Boom Height when stick is pinned in transport position (if available) with no attachments. | - | - |
| Overall Shipping Length - without Counterweight | 269.7 in | - | - |
| Height - Boom Transport - No Tools* | 100.4 in | - | - |
| Height - Boom Working - With Tools** | 106.3 in | - | - |
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 1.0 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 1.0 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 (2.2lb) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons). |
Sustainability |
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| Recyclability | 96% | - | - |
Weight Increase from Minimum Configuration |
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| Counterweight | 552 lb | - | - |
| Steel Tracks with Pads | 728 lb | - | - |
Travel System |
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| Maximum Traction Force - Low Speed | 19064 lb | - | - |
| Maximum Traction Force - High Speed | 6497 lb | - | - |
| Travel Speed - High | 3.1 mile/h | - | - |
| Travel Speed - Low | 1.6 mile/h | - | - |
| Ground Pressure - Maximum Weight | 6.4 psi | - | - |
| Ground Pressure - Minimum Weight | 6 psi | - | - |
| Gradeability - Maximum | 30 degrees | - | - |
Service Refill Capacities |
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| Hydraulic Tank | 14 gal (US) | 43 gal (US) | 86 gal (US) |
| Cooling System | 2.6 gal (US) | 11 gal (US) | 19 gal (US) |
| Engine Oil | 3 gal (US) | 9 gal (US) | 16 gal (US) |
| Fuel Tank | 38 gal (US) | - | - |
| Hydraulic System | 37 gal (US) | - | - |
| Fuel Tank Capacity | - | 159 gal (US) | 243 gal (US) |
| Swing Drive | - | 5 gal (US) | 5 gal (US) |
| Final Drive - Each | - | 2 gal (US) | 9 gal (US) |
| Hydraulic System - Including Tank | - | 145 gal (US) | 164 gal (US) |
| DEF Tank | - | 21 gal (US) | 21 gal (US) |
Working Ranges and Forces |
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| Maximum Pin Height at Stick Nose | - | 72.2 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 | - |
| 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) | - |
Swing Mechanism - UHD Fronts |
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| Swing Speed | - | 4.09 r/min | - |
Swing Mechanism |
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| Swing Speed | - | 8 r/min | 6.34 r/min |
| Maximum Swing Torque | - | 105000 ft·lbf | 220000 ft·lbf |
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 | - |
| Bucket | - | GD 2.27 m³ (2.97 yd³) | - |
| Maximum Pin Height at Stick Nose | - | 39.8 ft | - |
| Maximum Weight at Stick Nose | - | 9260 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 | - | 47160 lbf | - |
| Stick Digging Force - ISO | - | 37300 lbf | - |
Working Ranges and Forces - Retrofit Boom - Bent |
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| 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 | - | 47160 lbf | - |
| Stick Digging Force - ISO | - | 37300 lbf | - |
Working Ranges & Forces |
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| Maximum Digging Depth | - | - | 28.1 ft |
| Boom | - | - | Reach 7.8m (25'7") |
| Stick | - | - | R3.6m (11'10") |
| Bucket | - | - | SD 3.3 m³ (4.32 yd³) |
| Maximum Reach at Ground Level | - | - | 43.2 ft |
| Maximum Cutting Height | - | - | 41.2 ft |
| Maximum Loading Height | - | - | 27.7 ft |
| Minimum Loading Height | - | - | 10.1 ft |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | - | - | 27.8 ft |
| Maximum Vertical Wall Digging Depth | - | - | 22.8 ft |
| Bucket Digging Force - ISO | - | - | 80550 ft·lbf |
| Stick Digging Force - ISO | - | - | 66390 ft·lbf |
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