Overview
The Caterpillar 651E 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 550 hp, operating weight of 134,760 lb, capacity of 44.0 yd³, travel speed of 31.1 mph, fuel capacity of 260.3 gal and hydraulic capacity of 79.0 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 651E Motor Scraper against similar motor scraper models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
134,760
lb
Gross Power
550
hp
Rated Payload
104,058.20
lb
Overall Length
52.96
in
Full Specifications
94 specs
Dimensions
Capacity - Struck
32 yd³ / 24.47 m³
Front Axel - Loaded
126,369 lb / 57,320 kg
Front Of Tractor To Front Axle
148.40 in / 3,769 mm
Gross Power
550 hp / 410.1 kW
Height - Overall Shipping
185.40 in / 4,709 mm
Height - Scraper Blade Maximum
26.75 ft / 8.15 m
Height - Top Of Cab
12.91 ft / 3.93 m
Length - Overall Machine
636.90 in / 16,177 mm
Model
3412
Overall Height
15.46 ft / 4.71 m
Overall Length
52.96 in / 1,345 mm
Overall Width
14.28 ft / 4.35 m
Rated Payload
104,058 lb / 47,200 kg
Rear Axle - Rear Of Machine
95.90 in / 2,436 mm
Total Operating - Empty
134,372 lb / 60,950 kg
Total Operating - Loaded
238,430 lb / 108,150 kg
Wheel Base
32.72 in / 831 mm
Wheelbase
32.55 ft / 9.92 m
Width - Inside Of Bowl
154 in / 3,912 mm
Width - Overall Machine
171 in / 4,343 mm
Width - Rear Tire Center Lines
110.60 in / 2,809 mm
Width - Tractor
141.75 in / 3,600 mm
Width Of Cut
12.70 ft / 3.87 m
Engine
1 Forward
3.20 mph / 5.1 km/h
2 Forward
5.80 mph / 9.3 km/h
3 Forward
7 mph / 11.3 km/h
4 Forward
9.40 mph / 15.1 km/h
5 Forward
12.70 mph / 20.4 km/h
6 Forward
17.20 mph / 27.7 km/h
7 Forward
23 mph / 37.0 km/h
8 Forward
31.10 mph / 50.1 km/h
Apron Closure Force
39,200 lb / 17,781 kg
Apron Cylinder Bore
9.30 in / 236 mm
Apron Cylinder Stroke
29.90 in / 759 mm
Apron Opening
92.10
Bore
5.40 in / 137 mm
Bowl Cylinder Bore
9.30 in / 236 mm
Bowl Cylinder Stroke
37.50 in / 953 mm
Caterpillar Net Power
550 hp / 410.1 kW
Compensator Settings - Cushion Hitch Circuit
2,640 psi / 182.0 bar
Cushion Hitch Circuit
10 gal/min / 37.9 L/min
Depth Of Cut - Maximum
17.30 ft / 5.27 m
Depth Of Spread - Maximum
22.80 ft / 6.95 m
Differential
35
Displacement
1,649 cu in / 27.0 L
Eec 80/1269
550
Ejector Cylinder Stroke
76.60 in / 1,946 mm
Front Axle
88,460 lb / 40,125 kg
Front Axle - Empty
88,685 lb / 40,227 kg
Front Axle Weight - Loaded
126,543 lb / 57,399 kg
Fuel Capacity
260.30 gal / 985.3 L
Gross Power - Gears 1-2
577 hp / 430.3 kW
Gross Power - Gears 3-8
632 hp / 471.3 kW
Ground Clearance - Maximum
22.80 ft / 6.95 m
Ground-Driven Secondary Steering System
61.20 gal/min / 231.7 L/min
Heaped Capacity
44 yd³ / 33.64 m³
Hyd. Penetration Force - 621g
121,000 lb / 54,885 kg
Hydraulic Output
152.80 gal/min / 578.4 L/min
Hydraulic Reservoir
79 gal / 299.0 L
Iso 9249
550
Max Depth Of Cut
26 ft / 7.92 m
Max Speed Forward
31.10 mph / 50.1 km/h
Net Power - Gears 1-2
550 hp / 410.1 kW
Net Power - Gears 3-8
605 hp / 451.1 kW
Number of Forward Gears
8
Operating Weight
134,760 lb / 61,126 kg
Rated Load
104,000
Rear Axle
46,300 lb / 21,001 kg
Rear Axle - Empty
45,686 lb / 20,723 kg
Rear Axle - Loaded
112,061 lb / 50,830 kg
Rear Axle - Weight - Loaded
112,217 lb / 50,901 kg
Relief Valve - Implement Circuit
2,000 psi / 137.9 bar
Relief Valve - Steering Circuit
1,960 psi / 135.1 bar
Reverse
5.70
Sae J1349
544
Scraper Capacity - Heaped
44
Scraper Circuit
153 gal/min / 579.2 L/min
Scraper Shipping
64,991
Secondary Steering Circuit
61.20 gal/min / 231.7 L/min
Steering
Width - 180 Degrees Turn
Steering Circuit
115 gal/min / 435.3 L/min
Stroke
6 in / 152 mm
Struck Capacity
32.10 yd³ / 24.54 m³
Total Shipping
132,717
Tractor Engine
3,412
Tractor Shipping
67,726
Transmission
1 Forward
Wheel Coolant - Each
34
Width - 180 Degrees Turn
44.70 in / 1,135 mm
Width - Cut - To Router Bits
151.40 in / 3,846 mm
Hydraulics
Cutting Edge Thickness
1.80
Other
Cooling System
37 gal / 140.1 L
Crankcase
18 gal / 68.1 L
Final Drive - Each
6
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Frequently Asked Questions
What is the operating weight of the Caterpillar 651E Motor Scraper? +
The Caterpillar 651E Motor Scraper has an operating weight of 134,760 lb (61,126 kg). This places it in a class suited for motor scraper applications where ground pressure and transport weight are key considerations.
How powerful is the Caterpillar 651E Motor Scraper engine? +
The Caterpillar 651E Motor Scraper produces 550 hp (410.1 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 651E Motor Scraper compare to similar Motor Scraper models? +
You can compare the Caterpillar 651E 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.