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 657 Wheel Tractor-Scraper |
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Engine |
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| Tractor Engine | Cat C18 | - | - |
| Scraper Engine | Cat C15 | - | - |
Tractor Engine |
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| Flywheel Power - Tractor/Scraper | 469kW (629 hp) / 353 kW (473 hp) | - | - |
| Net Power | 469 kW/637 hp | - | - |
| Gross Power (SAE J1995) | 637 hp | - | - |
| Net Power (ISO 14396) | 637 hp | - | - |
| Net Power (SAE J1349/ISO 9249) | 592 hp | - | - |
| Bore | 5.7 in | - | - |
| Stroke | 7.2 in | - | - |
| Displacement | 1105 in³ | - | - |
Scraper Bowl |
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| Scraper Capacity - Heaped | 44 yd³ | - | - |
| Rated Load | 104058 lb | - | - |
| Capacity - Struck | 32 yd³ | - | - |
| Depth of Cut - Maximum | 16.4 in | - | - |
| Width - Cut - To Router Bits | 12.5 ft | - | - |
| Ground Clearance - Maximum | 2.3 ft | - | - |
| Hyd. Penetration Force - 657G | 121000 lb | - | - |
| Depth of Spread - Maximum | 26 in | - | - |
| Apron Opening | 92 in | - | - |
| Apron Closure Force | 39200 lb | - | - |
Transmission |
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| Top Speed - Loaded | 33 mile/h | - | - |
| 1 Forward | 3.5 mile/h | - | - |
| 2 Forward | 6.5 mile/h | - | - |
| 3 Forward | 7.8 mile/h | - | - |
| 4 Forward | 10.6 mile/h | - | - |
| 5 Forward | 14.2 mile/h | - | - |
| 6 Forward | 19.2 mile/h | - | - |
| 7 Forward | 25.7 mile/h | - | - |
| 8 Forward | 34.9 mile/h | - | - |
| Reverse | 6.7 mile/h | - | - |
Scraper Engine |
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| Net Power | 353 kW/447 hp | - | - |
| Gross Power (SAE J1995) | 481 hp | - | - |
| Net Power (ISO 14396) | 480 hp | - | - |
| Net Power (SAE J1349/ISO 9249) | 452 hp | - | - |
| Bore | 5.4 in | - | - |
| Stroke | 6.75 in | - | - |
| Displacement | 928 in³ | - | - |
Weights - Push-Pull |
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| Total Shipping | 160505 lb | - | - |
| Tractor Shipping | 93635 lb | - | - |
| Scraper Shipping | 64068 lb | - | - |
| Total Operating - Empty | 164244 lb | - | - |
| Front Axle | 93842 lb | - | - |
| Rear Axle | 66663 lb | - | - |
| Total Operating - Loaded | 268302 lb | - | - |
| Front Axle - Loaded | 134165 lb | - | - |
| Rear Axle - Loaded | 130340 lb | - | - |
Dimensions |
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| Width - Overall Machine | 14.3 ft | - | - |
| Width - Tractor | 12.3 ft | - | - |
| Width - Rear Tire Center Lines | 9.21 ft | - | - |
| Width - Inside of Bowl | 12.07 ft | - | - |
| Width - Outside Bowl - Shipping Width | 12.98 ft | - | - |
| Height - Overall Shipping | 15.29 ft | - | - |
| Height - Top of Cab | 12.86 ft | - | - |
| Ground Clearance - Tractor | 2.3 ft | - | - |
| Front of Tractor to Front Axle | 14.93 ft | - | - |
| Axle to Vertical Hitch Pin | 1.8 ft | - | - |
| Height - Scraper Blade Maximum | 2.17 ft | - | - |
| Wheel Base | 32.68 ft | - | - |
| Length - Overall Machine | 58.96 ft | - | - |
| Rear Axle - Rear of Machine | 8.07 ft | - | - |
Steering |
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| Width - 180° Turn - Right | 45.4 ft | - | - |
| Width - 180° Turn - Left | 47.57 ft | - | - |
| Steering Angle - Right | 90 | - | - |
| Steering Angle - Left | 85 | - | - |
Service Refill Capacities - Tractor |
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| Crankcase | 13.7 gal (US) | - | - |
| Transmission | 35.9 gal (US) | - | - |
| Differential | 36 gal (US) | - | - |
| Final Drive - Each | 6 gal (US) | - | - |
| Cooling System | 23.4 gal (US) | - | - |
| Hydraulic Reservoir | 39.6 gal (US) | - | - |
| Windshield Washer | 0.5 gal (US) | - | - |
Hydraulics |
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| Bowl Cylinder Bore | 7.08 in | - | - |
| Bowl Cylinder Stroke | 37.4 in | - | - |
| Apron Cylinder Bore | 7.08 in | - | - |
| Apron Cylinder Stroke | 29.92 in | - | - |
| Steering Circuit (@ High Idle) | 76.08 gal/min | - | - |
| Cushion Hitch Circuit | 19.54 gal/min | - | - |
| Secondary Steering Circuit | 14.52 gal/hr | - | - |
| Relief Valve - Steering Circuit | 1959 psi | - | - |
| Relief Valve - Implement Circuit | 1999 psi | - | - |
| Compensator Settings - Cushion Hitch Circuit | 3002 psi | - | - |
Service Refill Capacities - Scraper |
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| Fuel Tank - 657G | 430 gal (US) | - | - |
| Crankcase | 8.9 gal (US) | - | - |
| Transmission | 31.9 gal (US) | - | - |
| Differential | 44 gal (US) | - | - |
| Final Drive - Each | 7.8 gal (US) | - | - |
| Cooling System | 16.6 gal (US) | - | - |
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