657G Wheel Tractor-Scraper

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.

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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
596mm H2O
Gross Power - Gears 3-8
632mm H2O
Net Power - Gears 1-2
564mm H2O
Net Power - Gears 3-8
600mm H2O
Bore
5.7in
Stroke
7.2in
Displacement
1105in³
Flywheel Power - Tractor/Scraper
447 kW (600 hp) / 337 kW (451 hp)

Scraper Bowl

Scraper Capacity: Heaped
44.0yd3
Rated Load
104000.0lb
Capacity Struck
32.0yd3
Depth of Cut - max.
17.0in
Width of Cut, to Router Bits
12.7in
Ground Clearance - max.
23.0in
Cutting Edge - thickness
1.8in.
Depth of Spread - max.
26.0in
Apron Opening
92.0in
Hyd. Penetration Force - 657G
121000lb
Apron Closure Force
39200lb
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
Depth of Spread - Maximum
26in
Apron Opening
92in

Transmission

Top Speed (Loaded)
33.0mph
1 Forward
3.5mph
2 Forward
6.3mph
3 Forward
7.8mph
4 Forward
10.6mph
5 Forward
14.1mph
6 Forward
19.0mph
7 Forward
25.6mph
8 Forward
34.6mph
Reverse
6.1mph
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

Engine

Tractor Engine
Cat® C18 ACERT™
Scraper Engine
Cat C15 ACERT
Tractor Engine
Cat® C18 ACERT™
Scraper Engine
Cat C15 ACERT

Dimensions

Width - Overall Machine
171.0in
Width - Tractor
141.77in
Width - rear tire center lines
110.75in
Width - Inside of Bowl
145.0in
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
Wheelbase
391.97in
Length - overall machine
636.38in
Rear Axle to Rear of Machine
95.98in
Width - Outside Bowl - Shipping Width
154in
Bail Length - Maximum (Push-Pull)
72.28in
Width - Overall Machine
171in
Width - Tractor
141.77in
Width - Rear Tire Center Lines
110.75in
Width - Inside of Bowl
145in
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

Steering

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

Service Refill Capacities - Tractor

Transmission
36.0gal
Differential
36.0gal
Final Drive (per side)
6.0gal
Cooling System
33.0gal
Hydraulic Reservoir
80.0gal
Crankcase
17gal (US)
Wheel Coolant - Each
34.3gal (US)
Windshield Washer
0.5gal (US)
Transmission
36gal (US)
Differential
36gal (US)
Final Drive - Each
6gal (US)
Cooling System
33gal (US)
Hydraulic Reservoir
80gal (US)

Hydraulics

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
153.0gal/min
Cushion Hitch Circuit
12.7gal/min
Relief Valve - Steering Circuit
1959.0psi
Relief Valve - Implement Circuit
1999.0psi
Compensator Setting - Cushion Hitch Circuit
3002.0psi
Secondary Steering Circuit
64.2gal/min
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
Relief Valve - Steering Circuit
1959psi
Relief Valve - Implement Circuit
1999psi
Compensator Settings - Cushion Hitch Circuit
3002psi

Scraper Engine

Net Power
306/337 kW 410/451 hp
Gross Power - Gears 1-2
437mm H2O
Gross Power - Gears 3-8
478mm H2O
Net Power - Gears 1-2
410mm H2O
Net Power - Gears 3-8
451mm H2O
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

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)

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