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657G Wheel Tractor-Scraper Specifications
Tractor Engine Cat® C18 ACERT™
Tractor Engine Cat® C18 ACERT™
Scraper Engine Cat C15 ACERT
Scraper Engine Cat C15 ACERT

Engine

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

Tractor Engine

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

Scraper Engine

Net Power
306/337 kW 410/451 hp
Gross Power - Gears 1-2
437 HP
Gross Power - Gears 3-8
478 HP
Net Power - Gears 1-2
410 HP
Net Power - Gears 3-8
451 HP
Bore
5.5 in
Stroke
6.5 in
Displacement
928 in³

Scraper Bowl

Scraper Capacity: Heaped
44.0 yd3
Scraper Capacity - Heaped
44 yd³
Rated Load
104000.0 lb
Rated Load
104000 lb
Capacity Struck
32.0 yd3
Capacity - Struck
32 yd³
Depth of Cut - max.
17.0 in
Depth of Cut - Maximum
17 in
Width of Cut, to Router Bits
12.7 in
Width - Cut - To Router Bits
12.7 in
Ground Clearance - max.
23.0 in
Ground Clearance - Maximum
23 in
Cutting Edge - thickness
1.8 in.
Cutting Edge Thickness
1.8 in
Hyd. Penetration Force - 657G
121000 lb
Depth of Spread - max.
26.0 in
Depth of Spread - Maximum
26 in
Apron Opening
92.0 in
Apron Opening
92 in
Apron Closure Force
39200 lb

Transmission

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

Hydraulics

Bowl Cylinder Bore
9.25 in
Bowl Cylinder Bore
9.25 in
Bowl Cylinder Stroke
37.4 in
Bowl Cylinder Stroke
37.4 in
Apron Cylinder Bore
9.25 in
Apron Cylinder Bore
9.25 in
Apron Cylinder Stroke
29.92 in
Apron Cylinder Stroke
29.92 in
Ejector Cylinder Bore
10.24 in
Ejector Cylinder Bore
10.24 in
Ejector Cylinder Stroke
76.61 in
Ejector Cylinder Stroke
76.61 in
Steering Circuit
99.9 gal/min
Steering Circuit
99.9 gal/min
Scraper Circuit
153.0 gal/min
Scraper Circuit
153 gal/min
Cushion Hitch Circuit
12.7 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 - Steering Circuit
1959 psi
Relief Valve - Implement Circuit
1999.0 psi
Relief Valve - Implement Circuit
1999 psi
Compensator Setting - Cushion Hitch Circuit
3002.0 psi
Compensator Settings - Cushion Hitch Circuit
3002 psi

Steering

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

Service Refill Capacities - Tractor

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

Service Refill Capacities - Scraper

Fuel Tank - 657G
421.9 gal (US)
Crankcase
10 gal (US)
Transmission
32 gal (US)
Differential
44 gal (US)
Final Drive - Each
7.9 gal (US)
Wheel Coolant - Each
34.3 gal (US)
Cooling System
24 gal (US)

Dimensions

Width - Overall Machine
171.0 in
Width - Overall Machine
171 in
Width - Tractor
141.77 in
Width - Tractor
141.77 in
Width - rear tire center lines
110.75 in
Width - Rear Tire Center Lines
110.75 in
Width - Inside of Bowl
145.0 in
Width - Inside of Bowl
145 in
Width - Outside Bowl - Shipping Width
154 in
Height - Overall Shipping
185.4 in
Height - Overall Shipping
185.4 in
Height - Top of Cab
146.14 in
Height - Top of Cab
146.14 in
Ground Clearance - Tractor
25.39 in
Ground Clearance - Tractor
25.39 in
Front of Tractor to Front Axle
148.4 in
Front of Tractor to Front Axle
148.4 in
Axle to Vertical Hitch Pin
23.94 in
Axle to Vertical Hitch Pin
23.94 in
Height - Scraper Blade Maximum
26.77 in
Height - Scraper Blade Maximum
26.77 in
Wheelbase
391.97 in
Wheel Base
391.97 in
Length - overall machine
636.38 in
Length - Overall Machine
636.38 in
Rear Axle to Rear of Machine
95.98 in
Rear Axle - Rear of Machine
95.98 in
Bail Length - Maximum (Push-Pull)
72.28 in

Weights - Standard, Tandem

Total Shipping
147959 lb
Tractor Shipping
87717 lb
Scraper Shipping
60242 lb
Total Operating - Empty
150761 lb
Front Axle
87924 lb
Rear Axle
62837 lb
Total Operating - Loaded
254761 lb
Front Axle Weight - Loaded
128246 lb
Rear Axle - Weight - Loaded
126515 lb

Weights - Push-Pull

Total Shipping
160505 lb
Tractor Shipping
93635 lb
Scraper Shipping
64068 lb
Total Operating - Empty
160505 lb
Front Axle
93842 lb
Rear Axle
66663 lb
Total Operating - Loaded
264505 lb
Front Axle - Loaded
134165 lb
Rear Axle - Loaded
130340 lb

Other

Test Spec
my val
  • 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