657 Wheel Tractor-Scraper
Caterpillar offers Wheel Tractor-Scrapers designed exclusively for your coal stockpiling and retrieval needs. The Caterpillar® 657 Coal Bowl Scrapers can construct and maintain your coal stockpiles, as well as haul loads to your inlet supply system to meet the burn requirements of the plant.
Tractor Engine | Cat C18 |
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Scraper Engine | Cat C15 |
Flywheel Power - Tractor/Scraper | 469kW (629 hp) / 353 kW (473 hp) |
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Net Power | 469 kW/637 hp |
Gross Power (SAE J1995) | 475 kW |
Net Power (ISO 14396) | 469 kW |
Net Power (SAE J1349/ISO 9249) | 436 kW |
Bore | 145 mm |
Stroke | 183 mm |
Displacement | 18.1 l |
Scraper Capacity - Heaped | 33.6 m³ |
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Rated Load | 47200 kg |
Capacity - Struck | 24.5 m³ |
Depth of Cut - Maximum | 417 mm |
Width - Cut - To Router Bits | 3.8 m |
Ground Clearance - Maximum | 0.7 m |
Hyd. Penetration Force - 657G | 542 kN |
Depth of Spread - Maximum | 660 mm |
Apron Opening | 2337 mm |
Apron Closure Force | 176 kN |
Top Speed - Loaded | 56.1 km/h |
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1 Forward | 5.7 km/h |
2 Forward | 10.5 km/h |
3 Forward | 12.5 km/h |
4 Forward | 17 km/h |
5 Forward | 22.8 km/h |
6 Forward | 30.9 km/h |
7 Forward | 41.4 km/h |
8 Forward | 56.1 km/h |
Reverse | 10.8 km/h |
Net Power | 353 kW/447 hp |
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Gross Power (SAE J1995) | 359 kW |
Net Power (ISO 14396) | 353 kW |
Net Power (SAE J1349/ISO 9249) | 333 kW |
Bore | 137.2 mm |
Stroke | 171.5 mm |
Displacement | 15.2 l |
Total Shipping | 72804 kg |
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Tractor Shipping | 42472 kg |
Scraper Shipping | 29061 kg |
Total Operating - Empty | 74500 kg |
Front Axle | 42566 kg |
Rear Axle | 30238 kg |
Total Operating - Loaded | 121700 kg |
Front Axle - Loaded | 60856 kg |
Rear Axle - Loaded | 59121 kg |
Width - Overall Machine | 4.36 m |
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Width - Tractor | 3.75 m |
Width - Rear Tire Center Lines | 2.81 m |
Width - Inside of Bowl | 3.68 m |
Width - Outside Bowl - Shipping Width | 3.93 m |
Height - Overall Shipping | 4.66 m |
Height - Top of Cab | 3.92 m |
Ground Clearance - Tractor | 0.7 m |
Front of Tractor to Front Axle | 4.55 m |
Axle to Vertical Hitch Pin | 0.55 m |
Height - Scraper Blade Maximum | 0.66 m |
Wheel Base | 9.96 m |
Length - Overall Machine | 17.97 m |
Rear Axle - Rear of Machine | 2.46 m |
Width - 180° Turn - Right | 13.85 m |
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Width - 180° Turn - Left | 14.5 m |
Steering Angle - Right | 90 |
Steering Angle - Left | 85 |
Crankcase | 38 l |
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Transmission | 136 l |
Differential | 136 l |
Final Drive - Each | 29.5 l |
Cooling System | 88.6 l |
Hydraulic Reservoir | 150 l |
Windshield Washer | 5 l |
Bowl Cylinder Bore | 180 mm |
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Bowl Cylinder Stroke | 950 mm |
Apron Cylinder Bore | 180 mm |
Apron Cylinder Stroke | 759.5 mm |
Steering Circuit (@ High Idle) | 288 l/min |
Cushion Hitch Circuit | 74 l/min |
Secondary Steering Circuit | 55 l/hr |
Relief Valve - Steering Circuit | 13500 kPa |
Relief Valve - Implement Circuit | 13780 kPa |
Compensator Settings - Cushion Hitch Circuit | 20700 kPa |
Fuel Tank - 657G | 1628 l |
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Crankcase | 34 l |
Transmission | 121 l |
Differential | 168 l |
Final Drive - Each | 30 l |
Cooling System | 63.2 l |