Overview
The Caterpillar 621E 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 330 hp, capacity of 20.1 yd³, travel speed of 31.7 mph and fuel capacity of 144.0 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 621E Motor Scraper against similar motor scraper models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Gross Power
330
hp
Rated Payload
47,994.70
lb
Overall Length
42.43
in
Overall Width
11.39
ft
Full Specifications
21 specs
Dimensions
Front Axel - Loaded
61,051 lb / 27,692 kg
Gross Power
330 hp / 246.1 kW
Height to Top of Cab
12.18 ft / 3.71 m
Model
3406
Overall Length
42.43 in / 1,078 mm
Overall Width
11.39 ft / 3.47 m
Rated Payload
47,995 lb / 21,770 kg
Total Operating - Empty
67,188 lb / 30,476 kg
Total Operating - Loaded
115,189 lb / 52,249 kg
Wheelbase
25.33 ft / 7.72 m
Width Of Cut
10 ft / 3.05 m
Engine
Displacement
891 cu in / 14.6 L
Front Axle - Empty
45,686 lb / 20,723 kg
Fuel Capacity
144 gal / 545.1 L
Heaped Capacity
20.10 yd³ / 15.37 m³
Max Depth Of Cut
13.20 ft / 4.02 m
Max Speed Forward
31.70 mph / 51.0 km/h
Number of Forward Gears
8
Rear Axle - Empty
21,502 lb / 9,753 kg
Rear Axle - Loaded
54,139 lb / 24,557 kg
Struck Capacity
14 yd³ / 10.70 m³
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Frequently Asked Questions
How powerful is the Caterpillar 621E Motor Scraper engine? +
The Caterpillar 621E Motor Scraper produces 330 hp (246.1 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 621E Motor Scraper compare to similar Motor Scraper models? +
You can compare the Caterpillar 621E 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.