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 M322 |
 352 LRE Long Reach Excavation Hydraulic Excavator |
 M315 Wheeled Excavator |
 Cat® 374 Hydraulic Excavator |
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Engine |
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| Engine Power - ISO 14396:2002 | 174 hp | 425 hp | 148 hp | 485 hp |
| Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 431 hp (metric) | 150 hp (metric) | 492 hp (metric) |
| Engine Model | C 7.1 | Cat C13 | C4.4 | Cat C15 |
| Net Power - ISO 9249 | 171 hp | 424 hp | 145 hp | 484 hp |
| Net Power - ISO 9249 (DIN) | 174 hp (metric) | 429.9 hp (metric) | 147 hp (metric) | 491 hp (metric) |
| Bore | 4.1 in | 5 in | 4.1 in | 5.4 in |
| Displacement | 427.8 in² | 763 in³ | 268.5 in³ | 928 in³ |
| Stroke | 5.3 in | 6 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, 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. |
| 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 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 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 | - | 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 | - |
Hydraulic System |
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| Main System - Maximum Flow - Implement | 95 gal/min | - | 73 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 Flow - Main System | - | 206 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 | - | 3771 psi | - | 5076 psi |
Swing Mechanism |
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| Swing Torque | 44250 lb/ft | - | - | - |
| Maximum Swing Torque | - | 138000 ft·lbf | 30340 ft·lbf | 220000 ft·lbf |
| Swing Speed | - | - | 9.1 r/min | 6.34 r/min |
Service Refill Capacities |
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| Fuel Tank | 124.2 gal (US) | - | 74 gal (US) | - |
| Diesel Exhaust Fluid (DEF) | 7.9 gal (US) | - | 5.3 gal (US) | - |
| Cooling System | 10.6 gal (US) | 13.7 gal (US) | 24 l | 19 gal (US) |
| Engine Oil | 3.4 gal (US) | - | - | 16 gal (US) |
| Hydraulic Tank | 52.8 gal (US) | 57.3 gal (US) | 23.8 gal (US) | 86 gal (US) |
| Hydraulic System - Including Tank | 71.3 gal (US) | 145.3 gal (US) | 58.1 gal (US) | 164 gal (US) |
| Fuel Tank Capacity | - | 188.9 gal (US) | - | 243 gal (US) |
| Engine Oil - With Filter | - | 10.6 gal (US) | - | - |
| Swing Drive | - | 2.8 gal (US) | - | 5 gal (US) |
| Final Drive - Each | - | 2.5 gal (US) | - | 9 gal (US) |
| DEF Tank | - | 12.2 gal (US) | - | 21 gal (US) |
Dimensions |
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| Boom | VA 5.4m (17'10") | LRE Boom 11.5 m (37'9") | VA 5.2 m (17'1") | Reach 7.8m (25'7") |
| Stick | 2.9m (9'2") | LRE Stick 8.5 m (27'11') | 2.5m (8'2") | R3.6m (11'10") |
| Shipping Height with Falling Object Guard | 11 ft | - | - | - |
| Support Point | 11.3 ft | - | 10.1 ft | - |
| Shipping Length | 31.1 ft | 54 ft | 25.1 ft | 44.9 ft |
| Tail Swing Radius | 9.2 ft | 12.3 ft | 5.9 ft | 13.8 ft |
| Counterweight Clearance | 4.3 ft | 4.7 ft | 4.2 ft | 4.1 ft |
| Ground Clearance | 1.25 ft | 2.3 ft | 1.5 ft | 2.6 ft |
| Wheel Base | 9 ft | - | 8.4 ft | - |
| Bucket | - | HD 1.19 m³ (1.56 yd³) | GD 0.76 m³ (0.99 yd³ ) | SD 3.3 m³ (4.32 yd³) |
| Shipping Height - Top of Cab | - | 11.1 ft | 10.9 ft | 11.8 ft |
| Handrail Height | - | 11.6 ft | - | 13 ft |
| Track Length | - | 17.6 ft | - | 19.3 ft |
| Track Length to Center of Rollers | - | 14.2 ft | - | 15.5 ft |
| Track Gauge | - | 10.6 ft | - | 11.2 ft |
| Transport Width | - | 13.6 ft | - | 11.1 ft |
| Undercarriage Length | - | - | 16 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 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 | - |
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 0.8 kg of refrigerant which has a CO2 equivalent of 1.144 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 1.0 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). |
Weights |
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| Operating Weight | - | 128800 lb | - | 162900 lb |
| Note | - | Variable Gauge High Wide undercarriage, LRE boom, LRE 8.5B (27'9") stick, HD 1.19 m³ (1.56 yd³) bucket, 900 mm (35") triple grouser shoes, 12.0 mt (26,455 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 | - | 42.8 ft | - | 28.1 ft |
| Boom | - | LRE Boom 11.5 m (37'9") | - | Reach 7.8m (25'7") |
| Stick | - | LRE Stick 8.5 m (27'11') | - | R3.6m (11'10") |
| Bucket | - | HD 1.19 m³ (1.56 yd³) | - | SD 3.3 m³ (4.32 yd³) |
| Maximum Reach at Ground Level | - | 64.4 ft | - | 43.2 ft |
| Maximum Cutting Height | - | 48.2 ft | - | 41.2 ft |
| Maximum Loading Height | - | 39.4 ft | - | 27.7 ft |
| Minimum Loading Height | - | 7.3 ft | - | 10.1 ft |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | - | 42.5 ft | - | 27.8 ft |
| Bucket Digging Force - ISO | - | 31700 lbf | - | 80550 ft·lbf |
| Stick Digging Force - ISO | - | 23380 lbf | - | 66390 ft·lbf |
| Maximum Vertical Wall Digging Depth | - | - | - | 22.8 ft |
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