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 320 Hydraulic Excavator |
 M322 |
 374 Hydraulic Excavator |
 M315 Wheeled Excavator |
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Engine |
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| Net Power - ISO 9249 | 172 HP | 171 HP | 484 HP | 145 HP |
| Net Power - ISO 9249 (DIN) | 175 hp (metric) | 174 hp (metric) | 491 hp (metric) | 147 hp (metric) |
| Engine Model | Cat C4.4 | C 7.1 | Cat C15 | C4.4 |
| Engine Power - ISO 14396 | 174 HP | 174 HP | 485 HP | 148 HP |
| Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 176 hp (metric) | 492 hp (metric) | 150 hp (metric) |
| Bore | 4 in | 4.1 in | 5.4 in | 4.1 in |
| Stroke | 5 in | 5.3 in | 6.7 in | 127 mm |
| Displacement | 269 in³ | 427.8 in² | 928 in³ | 268.5 in³ |
| Biodiesel Capability | Up to B20¹ | Up to B20¹ | 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, Japan 2014 emission standards. | 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, 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 2,200 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 cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar | 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 | Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,200 rpm. Advertised power is tested per the specified standar |
| 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 | 49800 lb | - | 162900 lb | - |
| Note | Reach boom, R2.9 (9'6") stick, Heavy Duty (HD) 1.19 m ³ (1.56 yd³) bucket 790 mm (31") triple grouser shoes, 4200 kg (10,400 lb) counterweight. | - | 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. | - |
Working Ranges & Forces |
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| Maximum Digging Depth | 22 ft | - | 28.1 ft | - |
| Boom | Reach 5.7 m (18'8") | - | Reach 7.8m (25'7") | - |
| Stick | Reach 2.9 m (9'6") | - | R3.6m (11'10") | - |
| Bucket | 1.19 m ³ (1.56 yd³) | - | SD 3.3 m³ (4.32 yd³) | - |
| Maximum Reach at Ground Level | 32.3 ft | - | 43.2 ft | - |
| Maximum Cutting Height | 30.7 ft | - | 41.2 ft | - |
| Maximum Loading Height | 21.3 ft | - | 27.7 ft | - |
| Minimum Loading Height | 7.1 ft | - | 10.1 ft | - |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.5 ft | - | 27.8 ft | - |
| Maximum Vertical Wall Digging Depth | 17 ft | - | 22.8 ft | - |
| Bucket Digging Force - ISO | 38811 lbf | - | 80550 ft·lbf | - |
| Stick Digging Force - ISO | 23911 lbf | - | 66390 ft·lbf | - |
Hydraulic System |
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| Main System - Maximum Flow | 429 l/min (113 gal/min) | - | - | - |
| Maximum Pressure - Equipment | 5075 psi | - | 5366 psi | - |
| Maximum Pressure - Travel | 4974 psi | - | 5076 psi | - |
| Maximum Pressure - Swing | 3988 psi | - | 5076 psi | - |
| Main System - Maximum Flow - Implement | - | 95 gal/min | 237 gal/min | 73 gal/min |
| Maximum Pressure - Implement Circuit - Heavy Lift | - | 5366 psi | - | 5366 psi |
| Maximum Pressure - Implement Circuit - Travel Circuit | - | 5076 psi | - | 5076 psi |
| Maximum Pressure - Implement Circuit - Normal | - | 5076 psi | - | 5076 psi |
| Maximum Pressure - Equipment - Lift Mode | - | - | 5511 psi | - |
Swing Mechanism |
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| Maximum Swing Torque | 60300 ft·lbf | - | 220000 ft·lbf | 30340 ft·lbf |
| Swing Torque | - | 44250 lb/ft | - | - |
| Swing Speed | - | - | 6.34 r/min | 9.1 r/min |
Service Refill Capacities |
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| Fuel Tank Capacity | 86.6 gal (US) | - | 243 gal (US) | - |
| Cooling System | 6.6 gal (US) | 10.6 gal (US) | 19 gal (US) | 24 l |
| Engine Oil | 4 gal (US) | 3.4 gal (US) | 16 gal (US) | - |
| Swing Drive - Each | 1.6 gal (US) | - | - | - |
| Final Drive - Each | 1.1 gal (US) | - | 9 gal (US) | - |
| Hydraulic System - Including Tank | 61.8 gal (US) | 71.3 gal (US) | 164 gal (US) | 58.1 gal (US) |
| Hydraulic Tank | 30.4 gal (US) | 52.8 gal (US) | 86 gal (US) | 23.8 gal (US) |
| DEF Tank | 10.3 gal (US) | - | 21 gal (US) | - |
| Fuel Tank | - | 124.2 gal (US) | - | 74 gal (US) |
| Diesel Exhaust Fluid (DEF) | - | 7.9 gal (US) | - | 5.3 gal (US) |
| Swing Drive | - | - | 5 gal (US) | - |
Dimensions |
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| Boom | Reach 5.7 m (18'8") | VA 5.4m (17'10") | Reach 7.8m (25'7") | VA 5.2 m (17'1") |
| Stick | Reach 2.9 m (9'6") | 2.9m (9'2") | R3.6m (11'10") | 2.5m (8'2") |
| Bucket | 1.19 m ³ (1.56 yd³) | - | SD 3.3 m³ (4.32 yd³) | GD 0.76 m³ (0.99 yd³ ) |
| Shipping Height - Top of Cab | 9.7 ft | - | 11.8 ft | 10.9 ft |
| Handrail Height | 9.7 ft | - | 13 ft | - |
| Shipping Length | 31.3 ft | 31.1 ft | 44.9 ft | 25.1 ft |
| Tail Swing Radius | 9.3 ft | 9.2 ft | 13.8 ft | 5.9 ft |
| Counterweight Clearance | 3.4 ft | 4.3 ft | 4.1 ft | 4.2 ft |
| Ground Clearance | 1.5 ft | 1.25 ft | 2.6 ft | 1.5 ft |
| Track Length | 14.6 ft | - | 19.3 ft | - |
| Length to Center of Rollers | 11.7 ft | - | - | - |
| Track Gauge | 7.8 ft | - | 11.2 ft | - |
| Transport Width | 9.8 ft | - | 11.1 ft | - |
| Shipping Height with Falling Object Guard | - | 11 ft | - | - |
| Support Point | - | 11.3 ft | - | 10.1 ft |
| Wheel Base | - | 9 ft | - | 8.4 ft |
| Track Length to Center of Rollers | - | - | 15.5 ft | - |
| Note | - | - | Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps | - |
| Undercarriage Length | - | - | - | 16 ft |
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 0.85 kg (1.9 lb) of refrigerant which has a CO2 equivalent of 1.216 metric tonnes (1.340 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). | - |
| Note | - | 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 1.43 metric tonnes. | - | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.8 kg of refrigerant which has a CO2 equivalent of 1.144 metric tonnes. |
Sustainability |
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| Recyclability | 97% | - | - | - |
Machine Weight |
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| Operating Weight Maximum | - | 52911 lb | - | 39680 lb |
| Operating Weight Minimum | - | 44750 lb | - | 34610 lb |
Transmission |
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| Forward/Reverse - 2nd Gear | - | 18.6 mile/h | - | 21.7 mile/h |
| Forward/Reverse - 1st Gear | - | 5.6 mile/h | - | 6.2 mile/h |
| Creeper Speed - 1st Gear | - | 3.4 mile/h | - | 3.4 mile/h |
| Creeper Speed - 2nd Gear | - | 9.3 mile/h | - | 9.3 mile/h |
| Drawbar Pull | - | 28551 lbf | - | 23380 lbf |
| Maximum Gradeability | - | 70% | - | - |
| Maximum Travel Speed | - | - | - | 21.7 mile/h |
Working Ranges and Forces |
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| Boom Type | - | VA 5.4m (17'10") | - | VA 5.2 m (17'1") |
| Stick | - | 2.9m (9'2") | - | 2.5m (8'2") |
| Bucket | - | GD 1.2 m³ (1.7 yd³) | - | GD 0.76 m³ (0.99 yd³ ) |
| Maximum Loading Height | - | 24.7 ft | - | - |
| Maximum Digging Depth | - | 21.8 ft | - | - |
| Reach at Ground Level | - | 33.4 ft | - | 29.6 ft |
| Vertical Wall Digging Depth | - | 17.3 ft | - | 15 ft |
| Bucket Forces (ISO) | - | 33946 lbf | - | 23830 lbf |
| Stick Forces (ISO) | - | 23605 lbf | - | 15961 lbf |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | - | 21.6 ft | - | - |
| Dump Height | - | - | - | 25.2 ft |
| Digging Height | - | - | - | 18.4 ft |
working Ranges and Forces |
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| Cutting Height | - | 35.8 ft | - | 34.2 ft |
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