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.
Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long
High volume Coal Bowl design, Improvements in fuel efficiency, utilizing payload estimator, and the new APECS transmission controls deliver increased productivity
Safety features help increase operator confidence by providing a safer environment for operations - effective wet disc brakes, WAVS camera, and powered access cab entry
| Tractor Engine | Cat C18 |
|---|---|
| Scraper Engine | Cat C15 |
| 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 |
| Bore | 5.7 in |
| Stroke | 7.2 in |
| Displacement | 1105 in³ |
| Net Power (SAE J1349/ISO 9249) | 592 hp |
| 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 |
| 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 |
| 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 |
| 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 |
| Width - 180° Turn - Right | 45.4 ft |
|---|---|
| Width - 180° Turn - Left | 47.57 ft |
| Steering Angle - Right | 90 |
| Steering Angle - Left | 85 |
| 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) |
| 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) |
| 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 |
| 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 |
