657G Wheel Tractor-Scraper

657G

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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Product Specs

Tractor Engine

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
Flywheel Power - Tractor/Scraper
447 kW (600 hp) / 337 kW (451 hp)

Scraper Bowl

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

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

Dimensions

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

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)

Steering

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

Hydraulics

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

Service Refill Capacities - Tractor

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)

Engine

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

Transmission

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

Worktool Attachments

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

Optional Equipment

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