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 323 Hydraulic Excavator |
 M318 Wheeled Excavator |
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Engine |
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| Net Power - ISO 9249 | 172 HP | 171 HP | - |
| Net Power - ISO 9249 (DIN) | 175 hp (metric) | 174 hp (metric) | - |
| Engine Model | Cat C7.1 | C4.4 | - |
| Engine Power - ISO 14396 | 174 HP | 174 HP | - |
| Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 176 hp (metric) | - |
| Bore | 4 in | 4 in | - |
| Stroke | 5 in | 5 in | - |
| Displacement | 428 in³ | 285.5 in³ | - |
| 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, 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 | - |
| 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 | 55100 lb | - | - |
| Note | Long undercarriage, Reach boom, R2.9 (9'6"), Reach stick, Heavy Duty (HD) 1.38 m³ (1.81 yd³) bucket, 790 mm (31") HD triple grouser track shoes and 5,400 kg (11,900 lb) counterweight. | - | - |
Working Ranges & Forces |
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| Maximum Digging Depth | 22.1 ft | - | - |
| Boom | Reach 5.7 m (18'8") | - | - |
| Stick | Reach 2.9 m (9'6") | - | - |
| Bucket | HD 1.30 m³ (1.71 yd³) | - | - |
| Maximum Reach at Ground Level | 32.4 ft | - | - |
| Maximum Cutting Height | 31 ft | - | - |
| Maximum Loading Height | 21.3 ft | - | - |
| Minimum Loading Height | 7.1 ft | - | - |
| Maximum Depth Cut for 2440 mm (8 ft) Level Bottom | 21.5 ft | - | - |
| Maximum Vertical Wall Digging Depth | 18.8 ft | - | - |
| Bucket Digging Force - ISO | 34308 lbf | - | - |
| Stick Digging Force - ISO | 26094 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 gal/min | - |
| Maximum Pressure - Swing | 3988 psi | 5149 gal/min | - |
| Main System - Maximum Flow - Implement | - | 67 gal/min | - |
Swing Mechanism |
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| Swing Speed | 11.25 r/min | 9.4 r/min | - |
| Maximum Swing Torque | 60300 ft·lbf | - | - |
| Maximum Swing Speed | - | 32560 ft·lbf | - |
Service Refill Capacities |
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| Fuel Tank Capacity | 86.6 gal (US) | - | - |
| Cooling System | 6.6 gal (US) | 8.5 gal (US) | - |
| Engine Oil | 6.6 gal (US) | - | - |
| Swing Drive - Each | 1.6 gal (US) | - | - |
| Final Drive - Each | 1.3 gal (US) | - | - |
| Hydraulic System - Including Tank | 61.8 gal (US) | 68.7 gal (US) | - |
| Hydraulic Tank | 30.4 gal (US) | 31.7 gal (US) | - |
| DEF Tank | 10.8 gal (US) | - | - |
| Diesel Exhaust Fluid (DEF) | - | 5.3 gal (US) | - |
| Final Drive | - | 0.7 gal (US) | - |
| Fuel Tank | - | 92.5 gal (US) | - |
Dimensions |
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| Boom | Reach 5.7 m (18'8") | 5205 mm (17'1") | - |
| Stick | Reach 2.9 m (9'6") | 2.5 m (8' 2") | - |
| Bucket | HD 1.30 m³ (1.71 yd³) | 0.91 m³ GD (1.19 yd³) | - |
| Shipping Height - Top of Cab | 9.7 ft | 11 ft | - |
| Handrail Height | 9.7 ft | - | - |
| Shipping Length | 31.3 ft | 27.8 ft | - |
| Tail Swing Radius | 9.3 ft | 7.7 ft | - |
| Counterweight Clearance | 3.4 ft | 4.3 ft | - |
| Ground Clearance | 1.5 ft | 1.1 ft | - |
| Track Length | 14.6 ft | - | - |
| Length to Center of Rollers | 12 ft | - | - |
| Track Gauge | 7.8 ft | - | - |
| Transport Width | 10.4 ft | - | - |
| Support Point | - | 11.5 ft | - |
| Wheel Base | - | 8.9 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). | - | - |
| Note | - | 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. | - |
Sustainability |
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| Recyclability | 98% | 92% | - |
Machine Weight |
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| Operating Weight Maximum | - | 43980 lb | - |
| Operating Weight Minimum | - | 38580 lb | - |
| Note (1) | - | Operating weight includes full fuel tank, operator, bucket 610 kg (1,340 lb), and dual pneumatic tires. Weight varies depending on configuration. | - |
| Note (2) | - | Typical configurations include 2500 mm (8'2") medium stick and 3700 kg (8,157 lb) counterweight. | - |
Drive |
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| Maximum Travel Speed | - | 21.7 mile/h | - |
Working Ranges and Forces |
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| Boom Type | - | VA Boom | - |
| Bucket | - | 0.91 m³ GD (1.19 yd³) | - |
| Digging Height | - | 19.3 ft | - |
| Stick | - | 2.5 m (8' 2") | - |
| Reach at Ground Level | - | 30.2 ft | - |
| Vertical Wall Digging Depth | - | 15.1 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"). Force values are calculated with heavy lift on, a GD bucket (pin-on), and a tip radius o | - |
| Bucket Forces (ISO) | - | 26752 lbf | - |
| Stick Forces (ISO) | - | 16861 lbf | - |
| Cutting Height | - | 33.7 ft | - |
Service Refill |
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| Engine Oil | - | 2.9 gal (US) | - |
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