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Coal reserve management Only Caterpillar offers Wheel Tractor-Scrapers designed exclusively for your coal stockpiling and retrieval needs. The Cat® 637G Coal Bowl Scraper can construct and maintain your coal stockpiles, as well as haul loads to your inlet supply system to meet the burn requirements of the plant.


Flywheel Power: Tractor/Scraper 373 kw (500 hp) / 211 kW (283 hp) 373 kw (500 hp) / 211 kW (283 hp) Less
Flywheel Power - Tractor 345 / 373 kW (462 / 500 hp) 345 / 373 kW (462 / 500 hp) Less
Flywheel Power - Scraper 198 / 211 kW (266 / 283 hp) 198 / 211 kW (266 / 283 hp) Less
Tractor Engine Cat® C18 with ACERT Technology Cat® C18 with ACERT Technology Less
Scraper Engine Cat C9 with ACERT Technology Cat C9 with ACERT Technology Less

Operating Specifications

Scraper Capacity: Heaped 50.0 yd3 38.0 m3 Less
Top Speed (Loaded) 33.0 mph 53.0 km/h Less
Rated Load 76000.0 lb 34473.0 kg Less
Scraper Capacity - struck 41.0 yd3 31.0 m3 Less
180° Curb-to-Curb Turning Width 44.95 ft 13.7 m Less


Operating Weight - loaded, approx. 194909.0 lb 88409.0 kg Less
Operating Weight - empty, approx. 118909.0 lb 54050.0 kg Less


Height to Top of Scraper 13.71 ft 4.18 m Less
Wheelbase 31.27 ft 9.53 m Less
Length - overall 50.75 ft 15.47 m Less
Width - overall 12.93 ft 3.94 m Less
Tread - Scraper 8.07 ft 2.46 m Less
Tread - Tractor 8.07 ft 2.46 m Less

Coal Bowl Scraper Benefits

Dependable Coal Management and Hauling

Coal Stockpile Management

Coal Bowl Scrapers are the ideal stockpile management tool.

Customer Service

Cat Dealer Services

Power Train

Proven components combine to deliver the most durable, reliable power train in the industry, keeping costs low and production high.

Electronically Controlled Cushion Hitch

Smoother ride improves productivity.

Scraper Bowl

Low, wide, large-capacity scraper bowl design boosts production and tandem power increases efficiency.

Operator's Station

Comfort and control increase operator efficiency.


Simplified service means more productive uptime.


Cat is committed to provide the most dependable machines on the market.

Complete Customer Support

When you buy a Cat machine, you get Caterpillar's total commitment to customer support.