Caterpillar 631D Scraper Specs

Category: Scrapers ➔
Manufacturer: Caterpillar ➔
Model: 631D ➔

The Caterpillar 631D is a twin-engine wheel tractor-scraper used for large-scale earthmoving, haul, and grading applications. As part of Caterpillar's scraper lineup, the 631D is designed to load, transport, and spread material efficiently over medium to long distances in mining, highway, and site development work. It features a bowl, apron, and ejector system for controlled material handling and can be paired with a push tractor for loading in tougher conditions. The 631D is known for high production in bulk earthmoving operations, with serviceability, traction, and cycle efficiency as key design priorities.

Bowl

Caterpillar 631D Scraper Bowl specifications
Heaped Capacity	31.00 cu yd (23.70 cu m)
Max Depth of Cut	19.00 in (48.26 cm)
Struck Capacity	21.00 cu yd (16.06 cu m)
Width of Cut	11.50 ft (3.51 m)

Dimensions

Caterpillar 631D Scraper Dimensions specifications
Overall Height	13.70 ft (4.18 m)
Overall Length	46.80 ft (14.26 m)
Overall Width	13.00 ft (3.96 m)
Wheelbase	28.80 ft (8.78 m)

Operating Specifications

Caterpillar 631D Scraper Operating Specifications specifications
Fuel Capacity	250.00 gal (946.25 l)
Tire Size	33.25x35 38PR

Tractor Engine

Caterpillar 631D Scraper Tractor Engine specifications
Displacement	1,099.00 cu in (18,009.42 cu cm)
Net Power	450.00 hp (335.57 kw)
Power Measured @	2000 rpm

Transmission

Caterpillar 631D Scraper Transmission specifications
Max Speed Forward	31.00 mph (49.89 kph)

Weights

Caterpillar 631D Scraper Weights specifications
Total Operating - empty	88,900.00 lbs (40,324.41 kg)

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