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657  Wheel Tractor-Scraper

657 Wheel Tractor-Scraper

High productivity / low cost solution

More Comfort ‚Äď More Performance ‚Äď More Versatility

  • Enhanced Operator Comfort

    Ergonomic controls and a newly redesigned cab interior provide a more comfortable and efficient working environment all day long

  • Up To 6% Improved Productivity

    High volume Coal Bowl design, Improvements in fuel efficiency, utilizing payload estimator, and the new APECS transmission controls deliver increased productivity

  • Unparalleled Safety

    Safety features help increase operator confidence by providing a safer environment for operations - effective wet disc brakes, WAVS camera, and powered access cab entry

Engine

Scraper Engine Cat C15
Tractor Engine Cat C18

Tractor Engine

Bore 5.7 in
Displacement 1105 in³
Flywheel Power - Tractor/Scraper 469kW (629 hp) / 353 kW (473 hp)
Gross Power (SAE J1995) 637 HP
Net Power 469 kW/637 hp
Net Power (ISO 14396) 637 HP
Net Power (SAE J1349/ISO 9249) 592 HP
Stroke 7.2 in

Scraper Engine

Bore 5.4 in
Displacement 928 in³
Gross Power (SAE J1995) 481 HP
Net Power 353 kW/447 hp
Net Power (ISO 14396) 480 HP
Net Power (SAE J1349/ISO 9249) 452 HP
Stroke 6.75 in

Scraper Bowl

Apron Closure Force 39200 lb
Apron Opening 92 in
Capacity - Struck 32 yd³
Depth of Cut - Maximum 16.4 in
Depth of Spread - Maximum 26 in
Ground Clearance - Maximum 2.3 ft
Hyd. Penetration Force - 657G 121000 lb
Rated Load 104058 lb
Scraper Capacity - Heaped 44 yd³
Width - Cut - To Router Bits 12.5 ft

Transmission

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
Top Speed - Loaded 33 mile/h

Hydraulics

Apron Cylinder Bore 7.08 in
Apron Cylinder Stroke 29.92 in
Bowl Cylinder Bore 7.08 in
Bowl Cylinder Stroke 37.4 in
Compensator Settings - Cushion Hitch Circuit 3002 psi
Cushion Hitch Circuit 19.54 gal/min
Relief Valve - Implement Circuit 1999 psi
Relief Valve - Steering Circuit 1959 psi
Secondary Steering Circuit 14.52 gal/hr
Steering Circuit (@ High Idle) 76.08 gal/min

Steering

Steering Angle - Left 85
Steering Angle - Right 90
Width - 180¬į Turn - Left 47.57 ft
Width - 180¬į Turn - Right 45.4 ft

Service Refill Capacities - Tractor

Cooling System 23.4 gal (US)
Crankcase 13.7 gal (US)
Differential 36 gal (US)
Final Drive - Each 6 gal (US)
Hydraulic Reservoir 39.6 gal (US)
Transmission 35.9 gal (US)
Windshield Washer 0.5 gal (US)

Service Refill Capacities - Scraper

Cooling System 16.6 gal (US)
Crankcase 8.9 gal (US)
Differential 44 gal (US)
Final Drive - Each 7.8 gal (US)
Fuel Tank - 657G 430 gal (US)
Transmission 31.9 gal (US)

Dimensions

Axle to Vertical Hitch Pin 1.8 ft
Front of Tractor to Front Axle 14.93 ft
Ground Clearance - Tractor 2.3 ft
Height - Overall Shipping 15.29 ft
Height - Scraper Blade Maximum 2.17 ft
Height - Top of Cab 12.86 ft
Length - Overall Machine 58.96 ft
Rear Axle - Rear of Machine 8.07 ft
Wheel Base 32.68 ft
Width - Inside of Bowl 12.07 ft
Width - Outside Bowl - Shipping Width 12.98 ft
Width - Overall Machine 14.3 ft
Width - Rear Tire Center Lines 9.21 ft
Width - Tractor 12.3 ft

Weights - Push-Pull

Front Axle 93842 lb
Front Axle - Loaded 134165 lb
Rear Axle 66663 lb
Rear Axle - Loaded 130340 lb
Scraper Shipping 64068 lb
Total Operating - Empty 164244 lb
Total Operating - Loaded 268302 lb
Total Shipping 160505 lb
Tractor Shipping 93635 lb

Download resources

657 Product Brochure
657 Coal Bowl Key Features (Global excluding China and Japan)
657 Technical Specifications

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