Caterpillar 621E Scraper Specs

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

The Caterpillar 621E is a self-loading wheel tractor-scraper used in earthmoving, site preparation, and large-scale grading applications. As part of Caterpillar's scraper lineup, the 621E is designed to cut, load, haul, and spread material efficiently over moderate to long distances. It is commonly used in highway construction, mining support, land development, and mass excavation. The machine typically features a high-capacity bowl, rear push-pull compatibility, and a diesel-powered tractor unit for off-road operation. The Caterpillar 621E is recognized for its productivity in bulk material handling and its role in high-volume earthmoving fleets.

Bowl

Caterpillar 621E Scraper Bowl specifications
Heaped Capacity	20.1 cu yd
Max Depth Of Cut	13.20 in (33.53 cm)
Rated Payload	47,994.70 lbs (21,770.06 kg)
Struck Capacity	14 cu yd
Width Of Cut	10.00 ft (3.05 m)

Dimensions

Caterpillar 621E Scraper Dimensions specifications
Height	12.17 ft (3.71 m)
Height To Top Of Cab	12.18 ft (3.71 m)
Length	42.33 ft (12.90 m)
Overall Length	42.43 ft (12.93 m)
Overall Width	11.39 ft (3.47 m)
Weight	67,188.00 lbs (30,476.00 kg)
Wheelbase	25.33 ft (7.72 m)
Width	11.33 ft (3.45 m)

Operational

Caterpillar 621E Scraper Operational 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	45686.4 %
Rear Axle - Empty	21501.7 %
Rear Axle - Loaded	54139 %
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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