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.

Benefits & Features

Product Specs

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
596.0hp
Gross Power - Gears 3-8
632.0hp
Net Power - Gears 1-2
564.0hp
Net Power - Gears 3-8
600.0hp
Bore
5.7in
Stroke
7.2in
Displacement
1105.0in3

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.
Hyd. Penetration Force - 657G
121000.0lb
Depth of Spread - max.
26.0in
Apron Opening
92.0in
Apron Closure Force
39200.0lb

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

Engine

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

Scraper Engine

Net Power
306/337 kW 410/451 hp
Gross Power - Gears 1-2
437.0hp
Gross Power - Gears 3-8
478.0hp
Net Power - Gears 1-2
410.0hp
Net Power - Gears 3-8
451.0hp
Bore
5.5in
Stroke
6.5in
Displacement
928.0in3

Weights - Standard, tandem

Total Shipping
147959.0lb
Tractor Shipping
87717.0lb
Scraper Shipping
60242.0lb
Total Operating - empty
150761.0lb
Front Axle
87924.0lb
Rear Axle
62837.0lb
Total Operating - loaded
254761.0lb
Front Axle Weight - loaded
128246.0lb
Rear Axle Weight - loaded
126515.0lb

Weights - Push-Pull

Total Shipping
160505.0lb
Tractor Shipping
93635.0lb
Scraper Shipping
64068.0lb
Total Operating - empty
160505.0lb
Front Axle
93842.0lb
Rear Axle
66663.0lb
Total Operating - loaded
264505.0lb
Front Axle - loaded
134165.0lb
Rear Axle (Loaded)
130340.0lb

Dimensions

Width - Overall Machine
171.0in
Width - Tractor
141.77in
Width - rear tire center lines
110.75in
Width - Inside of Bowl
145.0in
Width - outside bowl (shipping width)
154.0in
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
Bail Length - max. (push-pull)
72.28in

Steering

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
17.0gal
Transmission
36.0gal
Differential
36.0gal
Final Drive (per side)
6.0gal
Cooling System
33.0gal
Hydraulic Reservoir
80.0gal
Wheel Coolant (each)
34.3gal
Windshield Washer
0.5gal

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
Secondary Steering Circuit
64.2gal/min
Relief Valve - Steering Circuit
1959.0psi
Relief Valve - Implement Circuit
1999.0psi
Compensator Setting - Cushion Hitch Circuit
3002.0psi

Service Refill Capacities - Scraper

Fuel Tank - 657G
421.9gal
Crankcase
10.0gal
Transmission
32.0gal
Differential
44.0gal
Final Drive (per side)
7.9gal
Wheel Coolant (each)
34.3gal
Cooling System
24.0gal

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
    • Array
    • Array
    • 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
    • Array
    • 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
    • Array
    • Array
  • Other Standard Equipment
    • Array
    • Array

Optional Equipment

  • Push-pull arrangement
  • Steering, secondary
  • Extended Life Coolant, -50° C (-58° F)
  • Lock, Steering
  • Push-Pull Arrangement with Rear Radiator Guard
  • Product Link

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