Categories ↠ Scrapers ↠ Caterpillar 621B

Caterpillar 621B Scraper

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

The Caterpillar 621B is a wheel tractor-scraper used in earthmoving and large-scale site preparation. As part of Caterpillar's scraper lineup, the 621B is designed for loading, hauling, and spreading material in construction, mining, roadbuilding, and land development applications. It typically features a tractor unit with a rear-mounted scraper bowl, apron, and ejector system for efficient material handling. The 621B is known for its heavy-duty frame, high-capacity bowl, and suitability for moving soil, gravel, and other bulk materials over moderate distances. It remains a recognized model in used equipment markets and heavy equipment reference listings.

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)

Caterpillar 621Bs currently for sale

A Caterpillar 621B From NC Machinery for $45,000.00 USD

A 1985 Caterpillar 621B From UCM, Inc. (Used Construction Machinery) for $69,000.00 USD

A 1985 Caterpillar 621B From National Equipment, LLC for $29,000.00 USD

A Caterpillar 621B From Finning CAT for $48,500.00 USD

A 1979 Caterpillar 621B From Ritchie Bros. Auctioneers for Auction Pricing

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