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Caterpillar

657G

Scraper

Gross Power
632.0 hp
Max Speed - Forward
36.0 mph
Max Speed - Reverse
6.0 mph
All scrapers
Caterpillar 657G Scraper
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Specifications

133 data points

Operating Specifications

Operating Specifications specifications
Fuel Capacity421.9 gal
Tire Size40.5/75 R39
Cooling System Fluid Capacity56.3 gal
Transmission Fluid Capacity68.0 gal
Engine Oil Fluid Capacity26.9 gal
Hydraulic System Fluid Capacity80.0 gal
Operating Voltage24 V
Differential Fluid Capacity79.5 gal
Alternator Supplied Amperage75 A
Wheel Coolant Fluid Capacity - each68.6 gal
Rated Load110,000 lb
Scraper Capacity - Heaped73.00 yd³
Scraper Capacity - Struck59.00 yd³
Top Speed - Loaded33.0 mph

Engine

Engine specifications
Tractor EngineCat C18 with ACERT Technology
Flywheel Power - Tractor/Scraper447 kw (600) / 337 kW (451)
Scraper EngineCat C15 with ACERT Technology

Weights

Weights specifications
Operating Weight - Loaded - Approximate268,817 lb
Total Operating - empty149,417 lb
Total Operating - Loaded253,420 lb
Front Axle - empty89,650 lb
Rear Axle - empty59,767 lb
Front Axel - loaded129,244 lb
Rear Axle - loaded124,176 lb

Hydraulic System

Hydraulic System specifications
Bowl Cylinder Bore9 in
Bowl Cylinder Stroke37 in
Ejector Cylinder Stroke77 in
Ejector Cylinder Bore10 in
Scraper Circuit153.0 gal/min
Steering Circuit99.9 gal/min
Relief Valve - Steering Circuit1,959 psi
Cushion Hitch Circuit12.7 gal/min
Relief Valve - Implement Circuit1,999 psi
Apron Cylinder Bore9 in
Apron Cylinder Stroke30 in
Compensator Settings - Cushion Hitch Circuit3,002 psi
Secondary Steering Circuit64.2 gal/min

Dimensions

Dimensions specifications
Height - Top of Cab146 in
Wheelbase393 in
Overall Length637 in
Overall Width172 in
Overall Height186 in
Wheel Base433 in
Tractor Ground Clearance26 in
Height - Overall Shipping185 in
Length - Overall Machine636 in
Height - Scraper Blade Maximum27 in
Width - Inside of Bowl145 in
Front of Tractor to Front Axle148 in
Rear Axle - Rear of Machine96 in
Width - Overall Machine171 in
Width - Rear Tire Center Lines111 in
Width - Tractor142 in
Axle to Vertical Hitch Pin24 in
Ground Clearance - Tractor25 in
Bail Length - Maximum (Push-Pull)72 in

Transmission

Transmission specifications
Max Speed - Forward36.0 mph
Max Speed - Reverse6.0 mph
Number of Forward Gears8
Number of Reverse Gears1
1 Forward3.5 mph
2 Forward6.3 mph
3 Forward7.8 mph
4 Forward10.6 mph
5 Forward14.1 mph
6 Forward19.0 mph
Reverse6.1 mph
7 Forward25.6 mph
8 Forward34.6 mph
Transmission Type8-speed automatic powershift with electronic control
Top Speed - Loaded33.0 mph

Steering System

Steering System specifications
Steering Angle - Left85 °
Steering Angle - Right90 °

Bowl

Bowl specifications
Heaped Capacity44.00 yd³
Width of Cut150 in
Max Depth of Cut17 in
Rated Payload104,058 lb
Struck Capacity31.99 yd³

Scraper Engine

Scraper Engine specifications
Gross Power478.0 hp
Displacement928 in³
MakeCaterpillar
Bore6 in
Stroke7 in

Tractor Engine

Tractor Engine specifications
Net Power - Gears 1-2564.0 hp
Net Power - Gears 3-8600.0 hp
Gross Power632.0 hp
Gross Power - Gears 3-8632.0 hp
Displacement1,105 in³
MakeCaterpillar
Bore6 in
Stroke7 in
Flywheel Power - Tractor/Scraper447 kW (600) / 337 kW (451)

Scraper Bowl

Scraper Bowl specifications
Rated Load104,000 lb
Capacity - Struck31.99 yd³
Depth of Spread - Maximum26 in
Ground Clearance - Maximum23 in
Depth of Cut - Maximum17 in
Scraper Capacity - Heaped44.00 yd³
Width - Cut - To Router Bits13 in
Cutting Edge Thickness2 in
Apron Closure Force39,200 lb
Apron Opening92 in

Service Refill Capacities - Tractor

Service Refill Capacities - Tractor specifications
Cooling System33.0 gal
Differential36.0 gal
Final Drive - Each6.0 gal
Hydraulic Reservoir80.0 gal
Transmission36.0 gal
Crankcase17.0 gal
Wheel Coolant - Each34.3 gal
Windshield Washer0.5 gal

Weights - Standard, Tandem

Weights - Standard, Tandem specifications
Front Axle87,924 lb
Front Axle Weight - Loaded128,246 lb
Rear Axle62,837 lb
Rear Axle - Weight - Loaded126,515 lb
Total Operating - Empty150,761 lb
Total Operating - Loaded254,761 lb
Scraper Shipping60,242 lb
Total Shipping147,959 lb
Tractor Shipping87,717 lb

Service Refill Capacities - Scraper

Service Refill Capacities - Scraper specifications
Cooling System24.0 gal
Differential44.0 gal
Final Drive - Each7.9 gal
Transmission32.0 gal
Wheel Coolant - Each34.3 gal

Weights - Push-Pull

Weights - Push-Pull specifications
Front Axle93,842 lb
Front Axle - Loaded134,165 lb
Rear Axle66,663 lb
Rear Axle - Loaded130,340 lb
Scraper Shipping64,068 lb
Total Operating - Empty160,505 lb
Total Operating - Loaded264,505 lb
Total Shipping160,505 lb
Tractor Shipping93,635 lb