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 M322 |
 M316 Wheeled Excavator |
 M319 Wheeled Excavator |
 Cat® 374 Hydraulic Excavator |
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Engine |
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| Engine Power - ISO 14396:2002 | 174 hp | 148 hp | 174 hp | 485 hp |
| Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 150 hp (metric) | 176 hp (metric) | 492 hp (metric) |
| Engine Model | C 7.1 | Cat C4.4 | C4.4 | Cat C15 |
| Net Power - ISO 9249 | 171 hp | 141 hp | 171 hp | 484 hp |
| Net Power - ISO 9249 (DIN) | 174 hp (metric) | 143 hp (metric) | 174 hp (metric) | 491 hp (metric) |
| Bore | 4.1 in | 4 ft | 4.1 in | 5.4 in |
| Displacement | 427.8 in² | 268.5 in³ | 268.5 in³ | 928 in³ |
| Stroke | 5.3 in | - | 127 mm | 6.7 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, 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. |
| 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 cleaner, CEM exhaust gas aftertreatment, alternator, and cooling fan with engine speed at 2,000 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 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 |
| 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 |
Machine Weight |
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| Operating Weight Maximum | 52911 lb | 36400 lb | 46407 lb | - |
| Operating Weight Minimum | 44750 lb | - | 41888 lb | - |
| Note (1) | - | Operating weight includes full fuel tank, operator, 10.00-20 tires, VA boom, 2500 mm (8' 2") stick, 2600 kg (5,732 lb) counterweight, undercarriage, and 4 outriggers. | - | - |
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 | - |
Hydraulic System |
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| Main System - Maximum Flow - Implement | 95 gal/min | 73 gal/min | 67 gal/min | 237 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 | - | 5076 psi | - | 5366 psi |
| Maximum Pressure - Swing | - | 5076 psi | - | 5076 psi |
| Maximum Pressure - Travel | - | 5076 psi | - | 5076 psi |
| Maximum Pressure - Equipment - Lift Mode | - | - | - | 5511 psi |
Swing Mechanism |
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| Swing Torque | 44250 lb/ft | - | - | - |
| Maximum Swing Torque | - | 32560 ft·lbf | 32560 ft·lbf | 220000 ft·lbf |
| Swing Speed | - | 10.2 r/min | 9.4 r/min | 6.34 r/min |
Service Refill Capacities |
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| Fuel Tank | 124.2 gal (US) | 92.5 gal (US) | 76.6 gal (US) | - |
| Diesel Exhaust Fluid (DEF) | 7.9 gal (US) | - | 5.3 gal (US) | - |
| Cooling System | 10.6 gal (US) | 6.3 gal (US) | 35 l | 19 gal (US) |
| Engine Oil | 3.4 gal (US) | - | - | 16 gal (US) |
| Hydraulic Tank | 52.8 gal (US) | 31.7 gal (US) | 31.7 gal (US) | 86 gal (US) |
| Hydraulic System - Including Tank | 71.3 gal (US) | 68.7 gal (US) | 74 gal (US) | 164 gal (US) |
| Final Drive | - | 0.7 gal (US) | - | - |
| Fuel Tank Capacity | - | - | - | 243 gal (US) |
| Swing Drive | - | - | - | 5 gal (US) |
| Final Drive - Each | - | - | - | 9 gal (US) |
| DEF Tank | - | - | - | 21 gal (US) |
Dimensions |
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| Boom | VA 5.4m (17'10") | 5205 mm (17' 1") | VA 5.2 m (17'1") | Reach 7.8m (25'7") |
| Stick | 2.9m (9'2") | 2.5 m (8' 2") | 2.5m (8'2") | R3.6m (11'10") |
| Shipping Height with Falling Object Guard | 11 ft | - | - | - |
| Support Point | 11.3 ft | 12.7 ft | 11.6 ft | - |
| Shipping Length | 31.1 ft | 8630 ft | 26.6 ft | 44.9 ft |
| Tail Swing Radius | 9.2 ft | 7.7 ft | 6.25 ft | 13.8 ft |
| Counterweight Clearance | 4.3 ft | 4.3 ft | 4.25 ft | 4.1 ft |
| Ground Clearance | 1.25 ft | 1.3 ft | 1.4 ft | 2.6 ft |
| Wheel Base | 9 ft | 8.4 ft | 8.8 ft | - |
| Bucket | - | GD 0.8 m3 (1.05 yd3) | GD 0.91 m³ (1.19 yd³ ) | SD 3.3 m³ (4.32 yd³) |
| Shipping Height - Top of Cab | - | 10.5 ft | 10.7 ft | 11.8 ft |
| Undercarriage Length | - | 16.3 ft | 16.6 ft | - |
| Handrail Height | - | - | - | 13 ft |
| Track Length | - | - | - | 19.3 ft |
| Track Length to Center of Rollers | - | - | - | 15.5 ft |
| Track Gauge | - | - | - | 11.2 ft |
| Transport Width | - | - | - | 11.1 ft |
| Note | - | - | - | Track gauge undercarriage extended with 650 mm (26") shoes; transport width undercarriage retracted with 650 mm (26") shoes and no steps |
Working Ranges and Forces |
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| Boom Type | VA 5.4m (17'10") | VA Boom | VA 5.2 m (17'1") | - |
| Stick | 2.9m (9'2") | R2.5 (8' 2") | 2.5m (8'2") | - |
| Bucket | GD 1.2 m³ (1.7 yd³) | GD 0.8 m3 (1.05 yd3) | GD 0.91 m³ (1.19 yd³ ) | - |
| Maximum Loading Height | 24.7 ft | - | - | - |
| Maximum Digging Depth | 21.8 ft | - | - | - |
| Reach at Ground Level | 33.4 ft | 29.4 ft | 30.2 ft | - |
| Vertical Wall Digging Depth | 17.3 ft | 14.5 mm | 14.6 ft | - |
| Bucket Forces (ISO) | 33946 lbf | - | 26752 lbf | - |
| Stick Forces (ISO) | 23605 lbf | - | 16861 lbf | - |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.6 ft | - | - | - |
| Cutting Height | - | 33.2 ft | - | - |
| Digging Height | - | 18.5 ft | 18.9 ft | - |
| Note (1) | - | 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 1484 mm (4'10"). | - | - |
| Dump Height | - | - | 25.6 ft | - |
working Ranges and Forces |
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| Cutting Height | 35.8 ft | - | 35.2 ft | - |
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 0.85 kg of refrigerant which has a CO2 equivalent of 1.216 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 of refrigerant which has a CO2 equivalent of 1.43 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 1.00 kg (2.2lb) of refrigerant, which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons). |
Drive |
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| Maximum Travel Speed | - | 21.7 mile/h | - | - |
Weights |
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| Operating Weight | - | - | - | 162900 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. |
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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