Caterpillar 621E Scraper Specs

Category: Scrapers ➔
Manufacturer: Caterpillar ➔
Model: 621E ➔

The Caterpillar 621E is a self-loading wheel tractor-scraper used in earthmoving, road construction, and large-scale site preparation. As part of Caterpillar's scraper lineup, the 621E is designed for efficient cut, haul, and dump cycles in medium to heavy production applications. It features a single-engine, open bowl scraper configuration with rear push-pull capability depending on setup and site conditions. The machine is commonly used for moving soil, gravel, and other loose material over moderate distances. The 621E is recognized for its high-capacity bowl, traction, and productivity in mass excavation and grading operations.

Bowl

Caterpillar 621E Scraper Bowl specifications
Heaped Capacity	20.10 cu yd (15.37 cu m)
Max Depth of Cut	13.20 in (33.53 cm)
Rated Payload	47,994.70 lbs (21,770.06 kg)
Struck Capacity	14.00 cu yd (10.70 cu m)
Width of Cut	10.00 ft (3.05 m)

Dimensions

Caterpillar 621E Scraper Dimensions specifications
Height - Top of Cab	12.20 ft (3.72 m)
Overall Length	42.50 ft (12.95 m)
Overall Width	11.40 ft (3.47 m)
Wheelbase	25.40 ft (7.74 m)

Operating Specifications

Caterpillar 621E Scraper Operating Specifications specifications
Fuel Capacity	144.00 gal (545.04 l)
Tire Size	33.25-29 26 PR (E-3)

Tractor Engine

Caterpillar 621E Scraper Tractor Engine specifications
Displacement	891.00 cu in (14,600.91 cu cm)
Gross Power	330.00 hp (246.09 kw)
Make	Caterpillar

Transmission

Caterpillar 621E Scraper Transmission specifications
Max Speed Forward	31.70 mph (51.02 kph)
Number of Forward Gears	8

Weights

Caterpillar 621E Scraper Weights specifications
Front Axel - loaded	61,050.50 lbs (27,692.08 kg)
Front Axle - empty	45,686.40 lbs (20,723.03 kg)
Rear Axle - empty	21,501.70 lbs (9,753.02 kg)
Rear Axle - loaded	54,139.00 lbs (24,557.07 kg)
Total Operating - empty	67,188.10 lbs (30,476.05 kg)
Total Operating - Loaded	115,189.40 lbs (52,249.10 kg)

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