657G Wheel Tractor-Scraper

657G Wheel Tractor-Scraper

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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 Engine
Cat® C18 ACERT™
Scraper Engine
Cat C15 ACERT

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

Scraper Engine

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

Scraper Bowl

Scraper Capacity: Heaped
44.0 yd3
Rated Load
104000.0 lb
Capacity Struck
32.0 yd3
Depth of Cut - max.
17.0 in
Width of Cut, to Router Bits
12.7 in
Ground Clearance - max.
23.0 in
Cutting Edge - thickness
1.8 in.
Hyd. Penetration Force - 657G
121000.0 lb
Depth of Spread - max.
26.0 in
Apron Opening
92.0 in
Apron Closure Force
39200.0 lb

Transmission

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

Hydraulics

Bowl Cylinder Bore
9.25 in
Bowl Cylinder Stroke
37.4 in
Apron Cylinder Bore
9.25 in
Apron Cylinder Stroke
29.92 in
Ejector Cylinder Bore
10.24 in
Ejector Cylinder Stroke
76.61 in
Steering Circuit
99.9 gal/min
Scraper Circuit
153.0 gal/min
Cushion Hitch Circuit
12.7 gal/min
Secondary Steering Circuit
64.2 gal/min
Relief Valve - Steering Circuit
1959.0 psi
Relief Valve - Implement Circuit
1999.0 psi
Compensator Setting - Cushion Hitch Circuit
3002.0 psi

Steering

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

Service Refill Capacities - Tractor

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

Service Refill Capacities - Scraper

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

Dimensions

Width - Overall Machine
171.0 in
Width - Tractor
141.77 in
Width - rear tire center lines
110.75 in
Width - Inside of Bowl
145.0 in
Width - outside bowl (shipping width)
154.0 in
Height - Overall Shipping
185.4 in
Height - Top of Cab
146.14 in
Ground Clearance - Tractor
25.39 in
Front of Tractor to Front Axle
148.4 in
Axle to Vertical Hitch Pin
23.94 in
Height - Scraper Blade Maximum
26.77 in
Wheelbase
391.97 in
Length - overall machine
636.38 in
Rear Axle to Rear of Machine
95.98 in
Bail Length - max. (push-pull)
72.28 in

Weights - Standard, tandem

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

Weights - Push-Pull

Total Shipping
160505.0 lb
Tractor Shipping
93635.0 lb
Scraper Shipping
64068.0 lb
Total Operating - empty
160505.0 lb
Front Axle
93842.0 lb
Rear Axle
66663.0 lb
Total Operating - loaded
264505.0 lb
Front Axle - loaded
134165.0 lb
Rear Axle (Loaded)
130340.0 lb
  • 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
  • Push-pull arrangement
  • Steering, secondary
  • Extended Life Coolant, -50° C (-58° F)
  • Lock, Steering
  • Push-Pull Arrangement with Rear Radiator Guard
  • Product Link