View Details

Tap to Call

657G Wheel Tractor-Scraper

657G Wheel Tractor-Scraper

At a Glance

Flywheel Power - Tractor/Scraper
447 kW (600 hp) / 337 kW (451 hp)
Scraper Capacity - Heaped
44 yd³
Top Speed - Loaded
33 mile/h
Tractor Engine
Cat C18
Request a Demo Machine Comparison


Quick loading, high travel speeds and the ability to load and dump on the run yield fast cycle times, allowing Cat® Wheel Tractor-Scrapers to deliver a high rate of productivity.

Tractor Engine

+ -
Flywheel Power - Tractor/Scraper 447 kW (600 hp) / 337 kW (451 hp)
Net Power 421/447 kW 564/600 hp
Gross Power - Gears 1-2 596HP
Gross Power - Gears 3-8 632HP
Net Power - Gears 1-2 564HP
Net Power - Gears 3-8 600HP
Bore 5.7in
Stroke 7.2in
Displacement 1105in³

Scraper Bowl

+ -
Scraper Capacity - Heaped 44yd³
Rated Load 104000lb
Capacity - Struck 32yd³
Depth of Cut - Maximum 17in
Width - Cut - To Router Bits 12.7in
Ground Clearance - Maximum 23in
Cutting Edge Thickness 1.8in
Hyd. Penetration Force - 657G 121000lb
Depth of Spread - Maximum 26in
Apron Opening 92in
Apron Closure Force 39200lb


+ -
Top Speed - Loaded 33mile/h
1 Forward 3.5mile/h
2 Forward 6.3mile/h
3 Forward 7.8mile/h
4 Forward 10.6mile/h
5 Forward 14.1mile/h
6 Forward 19mile/h
7 Forward 25.6mile/h
8 Forward 34.6mile/h
Reverse 6.1mile/h


+ -
Tractor Engine Cat C18
Scraper Engine Cat C15

Scraper Engine

+ -
Net Power 306/337 kW 410/451 hp
Gross Power - Gears 1-2 437HP
Gross Power - Gears 3-8 478HP
Net Power - Gears 1-2 410HP
Net Power - Gears 3-8 451HP
Bore 5.5in
Stroke 6.5in
Displacement 928in³

Weights - Standard, Tandem

+ -
Total Shipping 147959lb
Tractor Shipping 87717lb
Scraper Shipping 60242lb
Total Operating - Empty 150761lb
Front Axle 87924lb
Rear Axle 62837lb
Total Operating - Loaded 254761lb
Front Axle Weight - Loaded 128246lb
Rear Axle - Weight - Loaded 126515lb

Weights - Push-Pull

+ -
Total Shipping 160505lb
Tractor Shipping 93635lb
Scraper Shipping 64068lb
Total Operating - Empty 160505lb
Front Axle 93842lb
Rear Axle 66663lb
Total Operating - Loaded 264505lb
Front Axle - Loaded 134165lb
Rear Axle - Loaded 130340lb


+ -
Width - Overall Machine 171in
Width - Tractor 141.77in
Width - Rear Tire Center Lines 110.75in
Width - Inside of Bowl 145in
Width - Outside Bowl - Shipping Width 154in
Height - Overall Shipping 185.4in
Height - Top of Cab 146.14in
Ground Clearance - Tractor 25.39in
Front of Tractor to Front Axle 148.4in
Axle to Vertical Hitch Pin 23.94in
Height - Scraper Blade Maximum 26.77in
Wheel Base 391.97in
Length - Overall Machine 636.38in
Rear Axle - Rear of Machine 95.98in
Bail Length - Maximum (Push-Pull) 72.28in


+ -
Width - 180° Turn - Right 44.62ft
Width - 180° Turn - Left 47.57ft
Steering Angle - Right 90°
Steering Angle - Left 85°

Service Refill Capacities - Tractor

+ -
Crankcase 17gal (US)
Transmission 36gal (US)
Differential 36gal (US)
Final Drive - Each 6gal (US)
Cooling System 33gal (US)
Hydraulic Reservoir 80gal (US)
Wheel Coolant - Each 34.3gal (US)
Windshield Washer 0.5gal (US)


+ -
Bowl Cylinder Bore 9.25in
Bowl Cylinder Stroke 37.4in
Apron Cylinder Bore 9.25in
Apron Cylinder Stroke 29.92in
Ejector Cylinder Bore 10.24in
Ejector Cylinder Stroke 76.61in
Steering Circuit 99.9gal/min
Scraper Circuit 153gal/min
Cushion Hitch Circuit 12.7gal/min
Secondary Steering Circuit 64.2gal/min
Relief Valve - Steering Circuit 1959psi
Relief Valve - Implement Circuit 1999psi
Compensator Settings - Cushion Hitch Circuit 3002psi

Service Refill Capacities - Scraper

+ -
Fuel Tank - 657G 421.9gal (US)
Crankcase 10gal (US)
Transmission 32gal (US)
Differential 44gal (US)
Final Drive - Each 7.9gal (US)
Wheel Coolant - Each 34.3gal (US)
Cooling System 24gal (US)