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 M318 Wheeled Excavator |
 352 UHD Ultra High Demolition Hydraulic Excavator |
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Engine |
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| Engine Power - ISO 14396 | 174 HP | 425 HP | - |
| Engine Power - ISO 14396 (DIN) | 176 hp (metric) | 431 hp (metric) | - |
| Engine Model | C4.4 | Cat C13 | - |
| Net Power - ISO 9249 | 171 HP | 424 HP | - |
| Net Power - ISO 9249 (DIN) | 174 hp (metric) | 430 hp (metric) | - |
| Bore | 4 in | 5 in | - |
| Displacement | 285.5 in³ | 763 in³ | - |
| Stroke | 5 in | 6 in | - |
| Biodiesel Capability | 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. | - |
| 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 | - |
| 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 | - |
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 | - | - |
Hydraulic System |
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| Main System - Maximum Flow - Implement | 67 gal/min | - | - |
| Maximum Pressure - Equipment | 5366 psi | 5076 psi | - |
| Maximum Pressure - Swing | 5149 gal/min | 3771 psi | - |
| Maximum Pressure - Travel | 5076 gal/min | 5076 psi | - |
| Main System - Maximum Flow | - | 779 l/min (206 gal/min) | - |
| Maximum Pressure - Equipment - Lift Mode | - | 5511 psi | - |
Service Refill Capacities |
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| Cooling System | 8.5 gal (US) | 13.7 gal (US) | - |
| Diesel Exhaust Fluid (DEF) | 5.3 gal (US) | - | - |
| Hydraulic System - Including Tank | 68.7 gal (US) | 145.3 gal (US) | - |
| Hydraulic Tank | 31.7 gal (US) | 57.3 gal (US) | - |
| Final Drive | 0.7 gal (US) | - | - |
| Fuel Tank | 92.5 gal (US) | - | - |
| Fuel Tank Capacity | - | 188.9 gal (US) | - |
| Engine Oil | - | 10.6 gal (US) | - |
| Swing Drive - Each | - | 2.8 gal (US) | - |
| Final Drive - Each | - | 2.5 gal (US) | - |
| DEF Tank | - | 12.2 gal (US) | - |
Dimensions |
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| Boom | 5205 mm (17'1") | - | - |
| Bucket | 0.91 m³ GD (1.19 yd³) | - | - |
| Stick | 2.5 m (8' 2") | - | - |
| Shipping Height - Top of Cab | 11 ft | 11.1 ft | - |
| Shipping Length | 27.8 ft | 61.8 ft | - |
| Counterweight Clearance | 4.3 ft | 4.7 ft | - |
| Ground Clearance | 1.1 ft | 1.7 ft | - |
| Support Point | 11.5 ft | - | - |
| Tail Swing Radius | 7.7 ft | 12.3 ft | - |
| Wheel Base | 8.9 ft | - | - |
| Note (1) | - | 28 m (91'10") UHD Front | - |
| Cab Height - With OPG | - | 11.8 ft | - |
| Track Length | - | 18.9 ft | - |
| Track Length to Center of Rollers | - | 15.6 ft | - |
| Working Gauge - Extended Position | - | 11.2 ft | - |
| Shipping Gauge - Retracted Position | - | 7.9 ft | - |
| Transport Width | - | 10.7 ft | - |
| Machine Length - without Front, with Counterweight | - | 25.5 ft | - |
| Machine Length - without Front and Counterweight | - | 24.9 ft | - |
| Track Width - Extended | - | 13.1 ft | - |
| Track Width - Retracted | - | 9.8 ft | - |
| Note (2) | - | 600 mm (24") Track Shoes | - |
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 | 28 m (91' 10") UHD Front Over-the-Front | - |
| Bucket Forces (ISO) | 26752 lbf | - | - |
| Stick Forces (ISO) | 16861 lbf | - | - |
| Cutting Height | 33.7 ft | - | - |
| Maximum Pin Height at Stick Nose | - | 90.8 ft | - |
| Maximum Weight at Stick Nose | - | 8157 lb | - |
| Maximum Working Pin Height at Stick Nose - 1/2 | - | 75.2 ft | - |
| Maximum Working Reach at Stick Nose - 1/2 | - | 45.4 ft | - |
| Maximum Height at Stick Nose in Max Reach Position | - | 52.9 ft | - |
| Maximum Reach at Stick Nose | - | 51.7 ft | - |
Swing Mechanism |
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| Maximum Swing Speed | 32560 ft·lbf | - | - |
| Swing Speed | 9.4 r/min | 8.44 r/min | - |
| Maximum Swing Torque | - | 139000 ft·lbf | - |
Service Refill |
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| Engine Oil | 2.9 gal (US) | - | - |
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 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 1.00 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes. | - |
Sustainability |
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| Recyclability | 92% | - | - |
Weights |
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| Operating Weight | - | 143300 lb | - |
| Note (1) | - | Hydraulic Variable Gauge undercarriage, 28 m (91'10") UHD front, 600 mm (24") triple grouser shoes and 12.0 mt (26,455 lb) counterweight. No work tool. | - |
| Machine Weight - Retrofit Configuration | - | 139300 lb | - |
| Note (3) | - | Hydraulic Variable Gauge undercarriage, Retrofit boom, R3.35TB (11'0") stick, HD 2.41 m³ ( 3.15 yd³) bucket, 600 mm (24") triple grouser shoes and 12.0 mt (26,455 lb) counterweight. | - |
| UHD in Cradle | - | 26000 lb | - |
| Retrofit Boom in Cradle - R3.9 TB Stick | - | 16310 lb | - |
| Retrofit Boom in Cradle - R3.35 TB Stick | - | 15950 lb | - |
| Retrofit Boom in Cradle - R2.9 TB Stick | - | 15760 lb | - |
Swing Mechanism - UHD Fronts |
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| Swing Speed | - | 4.22 r/min | - |
Working Ranges and Forces - Retrofit Boom - Straight |
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| Note 1 | - | Straight - R3.35 m (11'0") Stick (Over-the-Front) | - |
| Bucket | - | GD 3.08 m³ (4.03 yd³) | - |
| Maximum Pin Height at Stick Nose | - | 39.8 ft | - |
| Maximum Weight at Stick Nose | - | 13190 lb | - |
| Maximum Height at Stick Nose in Max Reach Position | - | 7.7 ft | - |
| Maximum Reach at Stick Nose | - | 36.5 ft | - |
| Maximum Digging Depth | - | 17 ft | - |
| Maximum Reach - Ground Level | - | 41.9 ft | - |
| Maximum Loading Height | - | 33.6 ft | - |
| Minimum Loading Height | - | 15 ft | - |
| Bucket Digging Force - ISO | - | 60250 lbf | - |
| Stick Digging Force - ISO | - | 44740 lbf | - |
Working Ranges and Forces - Retrofit Boom - Bent |
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| Note 1 | - | Bent - R3.35 m (11'0") Stick | - |
| Bucket | - | GD 3.08 m³ (4.03 yd³) | - |
| Maximum Digging Depth | - | 21.9 ft | - |
| Maximum Reach - Ground Level | - | 39 ft | - |
| Maximum Cutting Height | - | 35.1 ft | - |
| Maximum Loading Height | - | 24.6 ft | - |
| Minimum Loading Height | - | 10 ft | - |
| Bucket Digging Force - ISO | - | 60250 lbf | - |
| Stick Digging Force - ISO | - | 44740 lbf | - |
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