Categories ↠ Scrapers ↠ Caterpillar 621B

Caterpillar 621B Scraper

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

The Caterpillar 621B is a wheel tractor-scraper used for earthmoving, grading, and material hauling in construction, mining, and site preparation. As a scraper, it combines a tractor unit with a bowl and ejector system for loading, transporting, and spreading soil, gravel, and other loose materials. The 621B is part of Caterpillar's heavy equipment lineup designed for high-volume earthmoving over moderate distances. It is commonly associated with large-scale grading, road building, and land development applications. The model designation 621B identifies a specific Caterpillar scraper configuration used in heavy civil and earthmoving operations.

See all Caterpillar 621Bs for sale

Bowl

Heaped Capacity	20.10 cu yd (15.37 cu m)
Max Depth of Cut	13.40 in (34.04 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

Overall Height	12.00 ft (3.66 m)
Overall Length	41.70 ft (12.71 m)
Overall Width	11.40 ft (3.47 m)
Wheelbase	25.40 ft (7.74 m)

Operating Specifications

Fuel Capacity	135.00 gal (510.98 l)
Tire Size	29.5-29 28PR (E-3)

Tractor Engine

Displacement	891.00 cu in (14,600.91 cu cm)
Make	Caterpillar
Net Power	330.00 hp (246.09 kw)
Power Measured @	1900 rpm

Transmission

Max Speed Forward	29.90 mph (48.12 kph)
Number of Forward Gears	8

Weights

Front Axel - loaded	63,021.40 lbs (28,586.06 kg)
Front Axle - empty	46,612.40 lbs (21,143.06 kg)
Rear Axle - empty	19,977.20 lbs (9,061.52 kg)
Rear Axle - loaded	51,564.00 lbs (23,389.07 kg)
Total Operating - empty	66,590.70 lbs (30,205.07 kg)
Total Operating - Loaded	114,585.30 lbs (51,975.08 kg)

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