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 M322 |
 317 Hydraulic Excavator |
 M319 Wheel Excavator |
 M320 Wheeled Excavator |
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Engine |
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| Engine Power - ISO 14396:2002 | 174 hp | - | - | 174 hp |
| Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 136 hp (metric) | 176 hp (metric) | 176 hp (metric) |
| Engine Model | C 7.1 | Cat C3.6 | Cat® C4.4 | C4.4 |
| Net Power - ISO 9249 | 171 hp | 133 hp | 171 hp | 171 hp |
| Net Power - ISO 9249 (DIN) | 174 hp (metric) | 134 hp (metric) | 174 hp (metric) | 174 hp (metric) |
| Bore | 4.1 in | 4 in | 4.1 in | 4 in |
| Displacement | 427.8 in² | 220 in³ | 268.5 in³ | 268.5 in³ |
| Stroke | 5.3 in | 5 in | 5 in | 5.3 in |
| 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, 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 and EU Stage V 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 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 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, Clean Emission Module (CEM) exhaust gas aftertreatment, alternator, and cooling fan running at intermediate speed. Rated speed 2,200 rpm. Advert | 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 |
| Engine Power - ISO 14396 | - | 134 hp | 174 hp | - |
Machine Weight |
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| Operating Weight Maximum | 52911 lb | - | 46410 lb | 46740 lb |
| Operating Weight Minimum | 44750 lb | - | 41890 lb | 41450 lb |
| Note (1) | - | - | Operating weight includes full fuel tank, operator, bucket 700 kg (1,540 lb) and dual pneumatic tires. Weight varies depending on configuration. Typical configurations include 2.5 m (8'2") stick, bucket and 220 kg (485 lb) quick coupler. | - |
Transmission |
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| Forward/Reverse - 2nd Gear | 18.6 mile/h | - | - | - |
| Forward/Reverse - 1st Gear | 5.6 mile/h | - | - | - |
| Creeper Speed - 1st Gear | 3.4 mile/h | - | - | - |
| Creeper Speed - 2nd Gear | 9.3 mile/h | - | - | - |
| Drawbar Pull | 28551 lbf | - | - | - |
| Maximum Gradeability | 70% | - | - | - |
| Maximum Travel Speed | - | - | - | 21.7 mile/h |
Hydraulic System |
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| Main System - Maximum Flow - Implement | 95 gal/min | - | 67 gal/min | 81 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 | - |
| Main System - Maximum Flow | - | 296 L/min (78 gal/min) | - | - |
| Maximum Pressure - Equipment | - | 5075 psi | - | 5366 psi |
| Maximum Pressure - Travel | - | 5075 psi | - | 5076 gal/min |
| Maximum Pressure - Swing | - | 3741 psi | - | 5729 gal/min |
Swing Mechanism |
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| Swing Torque | 44250 lb/ft | - | - | - |
| Swing Speed | - | 8.7 r/min | - | 9.2 r/min |
| Maximum Swing Torque | - | 47647 lbf·ft | 34739 lbf·ft | 37000 ft·lbf |
| Maximum Swing Speed* | - | - | 9.4 r/min | - |
| Note (1) | - | - | *For CE-marked machine default value may be set lower. | - |
Service Refill Capacities |
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| Fuel Tank | 124.2 gal (US) | - | 76.6 gal (US) | 124.2 gal (US) |
| Diesel Exhaust Fluid (DEF) | 7.9 gal (US) | - | 5.3 gal (US) | 7.9 gal (US) |
| Cooling System | 10.6 gal (US) | 5.8 gal (US) | 9.2 gal (US) | 8.4 gal (US) |
| Engine Oil | 3.4 gal (US) | 2.9 gal (US) | - | - |
| Hydraulic Tank | 52.8 gal (US) | 23 gal (US) | 31.7 gal (US) | 40.9 gal (US) |
| Hydraulic System - Including Tank | 71.3 gal (US) | 24.8 gal (US) | 74 gal (US) | 71.3 gal (US) |
| Fuel Tank Capacity | - | 71.6 gal (US) | - | - |
| Final Drive - Each | - | 1.6 gal (US) | - | - |
| DEF Tank | - | 5.9 gal (US) | - | - |
| Final Drive | - | - | - | 0.7 gal (US) |
Dimensions |
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| Boom | VA 5.4m (17'10") | Reach 5.1 m (16'9") | Variable Adjustable Boom 5.2 m (17'1") | 5260 mm (17'3") |
| Stick | 2.9m (9'2") | Reach R2.9 m (9'6") | 2.5 m (8'2") | 2.5 m (8' 2") |
| Shipping Height with Falling Object Guard | 11 ft | - | - | - |
| Support Point | 11.3 ft | - | 11.5 ft | 11.8 ft |
| Shipping Length | 31.1 ft | 28.1 ft | 26.6 ft | 29.3 ft |
| Tail Swing Radius | 9.2 ft | 8.2 ft | 6.2 ft | 8.5 ft |
| Counterweight Clearance | 4.3 ft | 3.3 ft | 4.3 ft | 4.3 ft |
| Ground Clearance | 1.25 ft | 1.4 ft | 1.4 ft | 1.4 ft |
| Wheel Base | 9 ft | - | 8.9 ft | 8.9 ft |
| Bucket | - | GD 0.76 m³ (0.99 yd³) | GD 0.91 m³ (1.19 yd³ ) | 0.98 m³ GD (1.28 yd³) |
| Shipping Height - Top of Cab | - | 9.6 ft | 11 ft | 11 ft |
| Handrail Height | - | 9.7 ft | - | - |
| Track Length | - | 13 ft | - | - |
| Length to Center of Rollers | - | 10.4 ft | - | - |
| Track Gauge | - | 6.5 ft | - | - |
| Transport Width | - | 8.8 ft | - | - |
| Undercarriage Length | - | - | 16.6 ft | - |
Working Ranges and Forces |
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| Boom Type | VA 5.4m (17'10") | - | - | VA Boom |
| Stick | 2.9m (9'2") | Reach R2.9 m (9'6") | 2.5 m (8'2") | 2.5 m (8' 2") |
| Bucket | GD 1.2 m³ (1.7 yd³) | GD 0.76 m³ (0.99 yd³) | GD 0.91 m³ (1.19 yd³ ) | 0.98 m³ GD (1.28 yd³) |
| Maximum Loading Height | 24.7 ft | 20.6 ft | 25.6 ft | - |
| Cutting Height | 35.8 ft | - | - | 32.6 ft |
| Maximum Digging Depth | 21.8 ft | 21 ft | 18.9 ft | - |
| Reach at Ground Level | 33.4 ft | - | - | 30.5 ft |
| Vertical Wall Digging Depth | 17.3 ft | - | - | 13.9 ft |
| Bucket Forces (ISO) | 33946 lbf | - | 26752 lbf | 30799 lbf |
| Stick Forces (ISO) | 23605 lbf | - | 16861 lbf | 20682 lbf |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.6 ft | 20.3 ft | - | - |
| Boom | - | Reach 5.1 m (16'9") | Variable Adjustable Boom 5.2 m (17'1") | - |
| Maximum Reach at Ground Level | - | 29.6 ft | - | - |
| Maximum Cutting Height | - | 29.2 ft | 35.2 ft | - |
| Minimum Loading Height | - | 6.5 ft | - | - |
| Maximum Vertical Wall Digging Depth | - | 16.3 ft | 14.6 ft | - |
| Minimum Working Equipment Radius | - | 9.7 ft | - | - |
| Bucket Digging Force - ISO | - | 27650 lbf | - | - |
| Stick Digging Force - ISO | - | 16860 lbf | - | - |
| Maximum Reach at Ground Line | - | - | 30.2 ft | - |
| Note (1) | - | - | Range values are with dual pneumatic tires (10.00-20). Range values are calculated with a GD bucket (CW) and CW quick coupler with a tip radius of 1484 mm (4'10"). Force values are calculated with heavy lift on, a GD bucket (pin-on) and a tip radius of 13 | Range values are with dual pneumatic tires (10.00-20). Range values are calculated with a GD bucket (CW) and CW-30 quick coupler with a tip radius of 1535 mm (5'0"). |
Air Conditioning System |
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| 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 1.0 kg (2.2 lb) of refrigerant which has a CO2 equivalent of 1.43 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 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 metric tonnes. |
| Air Conditioning | - | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 0.9 hg of refrigerant which has a CO2 equivalent of 1.418 metric tonnes. | - | - |
Weights |
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| Operating Weight | - | 40200 lb | - | - |
Drive |
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| Maximum Travel Speed | - | - | 21.7 mile/h | - |
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