Overview
The Caterpillar 657G Motor Scraper is a motor scraper listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 478 hp, capacity of 44 yd3, travel speed of 36.0 mph, fuel capacity of 421.9 gal and hydraulic capacity of 80.0 gal. This model can be reviewed for high-volume earthmoving, haul road production, cut-and-fill work, and scraper fleet comparison. Use the full specifications table to compare the Caterpillar 657G Motor Scraper against similar motor scraper models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Gross Power
478
hp
Rated Payload
104,058
lb
Overall Length
53.03
in
Overall Width
14.25
ft
Full Specifications
124 specs
Dimensions
Axle To Vertical Hitch Pin
23.94 in / 608 mm
Bail Length - Maximum (Push-Pull)
72.28 in / 1,836 mm
Capacity - Struck
32 yd³ / 24.47 m³
Differential Fluid Capacity
79.50 gal / 300.9 L
Displacement
1,105 cu in / 18.1 L
Front Axel - Loaded
129,244 lb / 58,624 kg
Front Of Tractor To Front Axle
148.40 in / 3,769 mm
Gross Power
632 hp / 471.3 kW
Ground Clearance - Tractor
25.39 ft / 7.74 m
Height - Overall Shipping
185.40 in / 4,709 mm
Height - Scraper Blade Maximum
26.77 ft / 8.16 m
Height - Top Of Cab
12.18 ft / 3.71 m
Height - Top Of Scraper
15.16 ft / 4.62 m
Height to Top of Cab
12.18 ft / 3.71 m
Length - Overall Machine
636.38 in / 16,164 mm
Model
C18 ACERT
Overall Height
15.45 ft / 4.71 m
Overall Length
53.03 in / 1,347 mm
Overall Width
14.25 ft / 4.34 m
Rated Payload
104,058 lb / 47,200 kg
Rear Axle - Rear Of Machine
95.98 in / 2,438 mm
Total Operating - Empty
149,417 lb / 67,774 kg
Total Operating - Loaded
253,420 lb / 114,949 kg
Tractor Ground Clearance
2.12 ft / 0.65 m
Tread - Scraper
9.24
Tread - Tractor
8.64
Wheel Base
36.08 in / 916 mm
Wheelbase
32.66 ft / 9.95 m
Width - Inside Of Bowl
145 in / 3,683 mm
Width - Outside Bowl - Shipping Width
154 in / 3,912 mm
Width - Overall
14.32 ft / 4.36 m
Width - Overall Machine
171 in / 4,343 mm
Width - Rear Tire Center Lines
110.75 in / 2,813 mm
Width - Tractor
141.78 in / 3,601 mm
Width Of Cut
12.50 ft / 3.81 m
Engine
1 Forward
3.50 mph / 5.6 km/h
2 Forward
6.30 mph / 10.1 km/h
3 Forward
7.80 mph / 12.6 km/h
4 Forward
10.60 mph / 17.1 km/h
5 Forward
14.10 mph / 22.7 km/h
6 Forward
19 mph / 30.6 km/h
7 Forward
25.60 mph / 41.2 km/h
8 Forward
34.60 mph / 55.7 km/h
Alternator Supplied Amperage
75 A
Apron Closure Force
39,200 lb / 17,781 kg
Apron Cylinder Bore
9.30 in / 236 mm
Apron Cylinder Stroke
30 in / 762 mm
Apron Opening
92
Bore
5.70 in / 145 mm
Bowl Cylinder Bore
9.30 in / 236 mm
Bowl Cylinder Stroke
37.40 in / 950 mm
Compensator Settings - Cushion Hitch Circuit
3,002 psi / 207.0 bar
Cooling System Fluid Capacity
56.30 gal / 213.1 L
Cushion Hitch Circuit
12.70 gal/min / 48.1 L/min
Depth Of Cut - Maximum
17 ft / 5.18 m
Depth Of Spread - Maximum
26 ft / 7.92 m
Differential
44
Displacement
928 cu in / 15.2 L
Ejector Cylinder Bore
10.30 in / 262 mm
Ejector Cylinder Stroke
76.70 in / 1,948 mm
Engine Oil Fluid Capacity
26.90 gal / 101.8 L
Front Axle
87,924 lb / 39,882 kg
Front Axle - Empty
89,650 lb / 40,665 kg
Front Axle - Loaded
134,165 lb / 60,856 kg
Front Axle Weight - Loaded
128,246 lb / 58,171 kg
Fuel Capacity
421.90 gal / 1,597.1 L
Gross Power
478 hp / 356.4 kW
Gross Power - Gears 1-2
596 hp / 444.4 kW
Gross Power - Gears 3-8
632 hp / 471.3 kW
Ground Clearance - Maximum
23 ft / 7.01 m
Heaped Capacity
44 yd³ / 33.64 m³
Hydraulic Reservoir
80 gal / 302.8 L
Hydraulic System Fluid Capacity
80 gal / 302.8 L
Length - Overall
56.40 in / 1,433 mm
Max Depth Of Cut
16.70 ft / 5.09 m
Max Speed Forward
36 mph / 57.9 km/h
Max Speed Reverse
6 mph / 9.7 km/h
Model
C15 ACERT
Net Power - Gears 1-2
564 hp / 420.6 kW
Net Power - Gears 3-8
600 hp / 447.4 kW
Number of Forward Gears
8
Number of Reverse Gears
1
Operating Voltage
24 V
Operating Weight - Empty - Approximate
158,817 lb / 72,038 kg
Operating Weight - Loaded - Approximate
268,817 lb / 121,933 kg
Rated Load
110,000
Rear Axle
62,837 lb / 28,502 kg
Rear Axle - Empty
59,767 lb / 27,110 kg
Rear Axle - Loaded
124,176 lb / 56,325 kg
Rear Axle - Weight - Loaded
126,515 lb / 57,386 kg
Relief Valve - Implement Circuit
1,999 psi / 137.8 bar
Relief Valve - Steering Circuit
1,959 psi / 135.1 bar
Reverse
6.10
Scraper Capacity - Heaped
73
Scraper Circuit
153 gal/min / 579.2 L/min
Scraper Engine
15
Scraper Shipping
60,242
Secondary Steering Circuit
64.20 gal/min / 243.0 L/min
Steering
Width - 180 Degrees Turn - Right
Steering Circuit
99.90 gal/min / 378.2 L/min
Stroke
7.20 in / 183 mm
Struck Capacity
32 yd³ / 24.47 m³
Total Shipping
147,959
Tractor Engine
18
Tractor Shipping
87,717
Transmission
1 Forward
Transmission Fluid Capacity
68 gal / 257.4 L
Transmission Type
8-speed automatic powershift with electronic control
Wheel Coolant - Each
34.30
Wheel Coolant Fluid Capacity - Each
68.60 gal / 259.7 L
Width - 180 Degrees Turn - Left
47.60 in / 1,209 mm
Width - 180 Degrees Turn - Right
44.70 in / 1,135 mm
Width - Cut - To Router Bits
12.70 ft / 3.87 m
Windshield Washer
0.50
Hydraulics
Cutting Edge Thickness
1.80
Other
180 Degrees Curb-To-Curb Turning Width
51.30 in / 1,303 mm
Fuel Tank - 657g
421.90 gal / 1,597.1 L
Hyd. Penetration Force - 657g
121,000 lb / 54,885 kg
Scraper Capacity - Struck
59
Top Speed - Loaded
33 lb / 15 kg
Transmission
32
Cooling System
24 gal / 90.8 L
Crankcase
10 gal / 37.9 L
Final Drive - Each
7.9
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Frequently Asked Questions
How powerful is the Caterpillar 657G Motor Scraper engine? +
The Caterpillar 657G Motor Scraper produces 632 hp (471.3 kW) of engine power. This output is typical for its weight class and designed to handle demanding Motor Scraper work cycles efficiently.
How does the Caterpillar 657G Motor Scraper compare to similar Motor Scraper models? +
You can compare the Caterpillar 657G Motor Scraper side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.