New | 657G Wheel Tractor-Scraper

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.

Engine
Tractor EngineCat® C18 ACERT™
Scraper EngineCat C15 ACERT
Tractor Engine
Flywheel Power - Tractor/Scraper447 kW (600 hp) / 337 kW (451 hp)
Net Power421/447 kW 564/600 hp
Gross Power - Gears 1-2596 mm H2O
Gross Power - Gears 3-8632 mm H2O
Net Power - Gears 1-2564 mm H2O
Net Power - Gears 3-8600 mm H2O
Bore5.7 in
Stroke7.2 in
Displacement1105 in³
Scraper Engine
Net Power306/337 kW 410/451 hp
Gross Power - Gears 1-2437 mm H2O
Gross Power - Gears 3-8478 mm H2O
Net Power - Gears 1-2410 mm H2O
Net Power - Gears 3-8451 mm H2O
Bore5.5 in
Stroke6.5 in
Displacement928 in³
Scraper Bowl
Scraper Capacity - Heaped44 yd³
Rated Load104000 lb
Capacity - Struck32 yd³
Depth of Cut - Maximum17 in
Width - Cut - To Router Bits12.7 in
Ground Clearance - Maximum23 in
Cutting Edge Thickness1.8 in
Hyd. Penetration Force - 657G121000 lb
Depth of Spread - Maximum26 in
Apron Opening92 in
Apron Closure Force39200 lb
Transmission
Top Speed - Loaded33 mile/h
1 Forward3.5 mile/h
2 Forward6.3 mile/h
3 Forward7.8 mile/h
4 Forward10.6 mile/h
5 Forward14.1 mile/h
6 Forward19 mile/h
7 Forward25.6 mile/h
8 Forward34.6 mile/h
Reverse6.1 mile/h
Hydraulics
Bowl Cylinder Bore9.25 in
Bowl Cylinder Stroke37.4 in
Apron Cylinder Bore9.25 in
Apron Cylinder Stroke29.92 in
Ejector Cylinder Bore10.24 in
Ejector Cylinder Stroke76.61 in
Steering Circuit99.9 gal/min
Scraper Circuit153 gal/min
Cushion Hitch Circuit12.7 gal/min
Secondary Steering Circuit64.2 gal/min
Relief Valve - Steering Circuit1959 psi
Relief Valve - Implement Circuit1999 psi
Compensator Settings - Cushion Hitch Circuit3002 psi
Steering
Width - 180° Turn - Right44.62 ft
Width - 180° Turn - Left47.57 ft
Steering Angle - Right90°
Steering Angle - Left85°
Service Refill Capacities - Tractor
Crankcase17 gal (US)
Transmission36 gal (US)
Differential36 gal (US)
Final Drive - Each6 gal (US)
Cooling System33 gal (US)
Hydraulic Reservoir80 gal (US)
Wheel Coolant - Each34.3 gal (US)
Windshield Washer0.5 gal (US)
Service Refill Capacities - Scraper
Fuel Tank - 657G421.9 gal (US)
Crankcase10 gal (US)
Transmission32 gal (US)
Differential44 gal (US)
Final Drive - Each7.9 gal (US)
Wheel Coolant - Each34.3 gal (US)
Cooling System24 gal (US)
Dimensions
Width - Overall Machine171 in
Width - Tractor141.77 in
Width - Rear Tire Center Lines110.75 in
Width - Inside of Bowl145 in
Width - Outside Bowl - Shipping Width154 in
Height - Overall Shipping185.4 in
Height - Top of Cab146.14 in
Ground Clearance - Tractor25.39 in
Front of Tractor to Front Axle148.4 in
Axle to Vertical Hitch Pin23.94 in
Height - Scraper Blade Maximum26.77 in
Wheel Base391.97 in
Length - Overall Machine636.38 in
Rear Axle - Rear of Machine95.98 in
Bail Length - Maximum (Push-Pull)72.28 in
Weights - Standard, Tandem
Total Shipping147959 lb
Tractor Shipping87717 lb
Scraper Shipping60242 lb
Total Operating - Empty150761 lb
Front Axle87924 lb
Rear Axle62837 lb
Total Operating - Loaded254761 lb
Front Axle Weight - Loaded128246 lb
Rear Axle - Weight - Loaded126515 lb
Weights - Push-Pull
Total Shipping160505 lb
Tractor Shipping93635 lb
Scraper Shipping64068 lb
Total Operating - Empty160505 lb
Front Axle93842 lb
Rear Axle66663 lb
Total Operating - Loaded264505 lb
Front Axle - Loaded134165 lb
Rear Axle - Loaded130340 lb
  • Operator Station
  • Operator Station
  • Operator Station
  • Operator Station
  • Power Train - Engine
  • Power Train - Engine
  • Power Train - Engine
  • Power Train - Engine
  • Power Train - Transmission
  • Power Train - Transmission
  • Power Train - Transmission
  • Power Train - Transmission
  • Electronic Controls
  • Electronic Controls
  • Electronic Controls
  • Electronic Controls
  • Cushion Hitch
  • Cushion Hitch
  • Scraper Bowl
  • Scraper Bowl
  • Scraper Bowl
  • Scraper Bowl
  • Scraper Bowl
  • Scraper Bowl
  • Scraper Bowl
  • Coal Bowl
  • Coal Bowl
  • Push-pull
  • Push-pull
  • Serviceability
  • Serviceability
  • Serviceability
  • Serviceability
  • Support
  • Support
  • Support
  • Support
  • Support
  • Support
  • Support

Standard Equipment

ELECTRICAL
  • Alarm, backup
  • Alternator, 80 amp - tractor engine
  • Alternator, 50 amp - scraper engine
  • Batteries Tractor (4), 12V Maintenance Free, High Output
  • Batteries Scraper (4), 12V Maintenance Free, High Output
  • Electrical System, 24V
  • Lighting System - Tractor
  • Lighting System - Scraper
  • Starting Receptacle - tractor and scraper engines
OPERATOR ENVIRONMENT
  • Air Conditioner (includes heater and defroster)
  • Automotive style fuse panel with fuse puller
  • Cigarette Lighter and Ashtray
  • Coat Hook
  • Cup holder
  • Diagnostic Connection Port (12V)
  • Dome Courtesy Light
  • Engine speed lock
  • Fan defroster
  • Gauge Group
  • Horn
  • Implement Control Joystick
  • Rearview Mirrors
  • Radio Ready
  • 2 radio openings, speakers, and 5-amp converter
  • ROPS Cab with Sound Suppression and Pressurization
  • Static Seatbelt
  • Scraper Engine Controls
  • Seat, Air Suspension, Caterpillar Comfort, cloth
  • Steering Wheel - tilt and telescoping
  • Storage Compartment
  • Transmission Hold
  • Windows - sliding side, swing out
  • Windshield - laminated glass
  • Windshield Wiper/Washer - front and rear
  • Wrist Rest/Grab Handle
POWER TRAIN
  • Tractor
  • Scraper
OTHER STANDARD EQUIPMENT
  • Tractor
  • Scraper

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