Caterpillar 637D Scraper Specs

Category: Scrapers ➔
Manufacturer: Caterpillar ➔
Model: 637D ➔

The Caterpillar 637D is a self-loading wheel tractor-scraper used in earthmoving, roadbuilding, and large-scale site preparation. As a twin-engine scraper, it is designed to cut, load, haul, and spread material efficiently over medium to long distances. The 637D is part of Caterpillar's heavy scraper lineup and is commonly used in mass excavation, embankment construction, and mining support work. Typical applications include soil, gravel, and loose aggregate handling. The machine is valued for high production in bulk material movement, with a bowl, apron, and ejector system configured for rapid loading and unloading in demanding field conditions.

Bowl

Caterpillar 637D Scraper Bowl specifications
Heaped Capacity	31.00 cu yd (23.70 cu m)
Max Depth of Cut	19.10 in (48.51 cm)
Rated Payload	74,957.20 lbs (34,000.06 kg)
Struck Capacity	21.10 cu yd (16.13 cu m)
Width of Cut	11.50 ft (3.51 m)

Dimensions

Caterpillar 637D Scraper Dimensions specifications
Overall Height	13.70 ft (4.18 m)
Overall Length	48.60 ft (14.81 m)
Overall Width	13.00 ft (3.96 m)
Wheelbase	28.70 ft (8.75 m)

Operating Specifications

Caterpillar 637D Scraper Operating Specifications specifications
Fuel Capacity	370.70 gal (1,403.10 l)
Tire Size	33.25-35 38PR (E-3)

Scraper Engine

Caterpillar 637D Scraper Scraper Engine specifications
Displacement	640.80 cu in (10,500.85 cu cm)
Make	Caterpillar
Net Power	255.00 hp (190.16 kw)
Power Measured @	2200 rpm

Tractor Engine

Caterpillar 637D Scraper Tractor Engine specifications
Displacement	1,098.50 cu in (18,001.23 cu cm)
Make	Caterpillar
Net Power	450.00 hp (335.57 kw)
Power Measured @	2000 rpm

Transmission

Caterpillar 637D Scraper Transmission specifications
Max Speed Forward	31.70 mph (51.02 kph)
Number of Forward Gears	8

Weights

Caterpillar 637D Scraper Weights specifications
Front Axel - loaded	90,566.00 lbs (41,080.10 kg)
Front Axle - empty	64,767.50 lbs (29,378.08 kg)
Rear Axle - empty	41,407.30 lbs (18,782.06 kg)
Rear Axle - loaded	90,566.00 lbs (41,080.10 kg)
Total Operating - empty	106,174.70 lbs (48,160.09 kg)
Total Operating - Loaded	181,131.90 lbs (82,160.15 kg)

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