Overview
The Caterpillar 631E 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 450 hp, capacity of 31.0 yd³, travel speed of 29.9 mph and fuel capacity of 196.9 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 631E Motor Scraper against similar motor scraper models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Gross Power
450
hp
Rated Payload
75,001.30
lb
Overall Length
46.86
in
Overall Width
12.93
ft
Full Specifications
21 specs
Dimensions
Front Axel - Loaded
91,097 lb / 41,321 kg
Gross Power
450 hp / 335.6 kW
Model
3408
Overall Height
14.08 ft / 4.29 m
Overall Length
46.86 in / 1,190 mm
Overall Width
12.93 ft / 3.94 m
Rated Payload
75,001 lb / 34,020 kg
Total Operating - Empty
96,882 lb / 43,945 kg
Total Operating - Loaded
171,884 lb / 77,965 kg
Wheelbase
28.78 ft / 8.77 m
Width Of Cut
11.50 ft / 3.51 m
Engine
Displacement
1,099 cu in / 18.0 L
Front Axle - Empty
64,911 lb / 29,443 kg
Fuel Capacity
196.90 gal / 745.3 L
Heaped Capacity
31 yd³ / 23.70 m³
Max Depth Of Cut
17.30 ft / 5.27 m
Max Speed Forward
29.90 mph / 48.1 km/h
Number of Forward Gears
7
Rear Axle - Empty
31,972 lb / 14,502 kg
Rear Axle - Loaded
80,786 lb / 36,644 kg
Struck Capacity
21.10 yd³ / 16.13 m³
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Frequently Asked Questions
How powerful is the Caterpillar 631E Motor Scraper engine? +
The Caterpillar 631E Motor Scraper produces 450 hp (335.6 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 631E Motor Scraper compare to similar Motor Scraper models? +
You can compare the Caterpillar 631E 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.