The D37EX-22 and D37PX-22 crawler dozers from Komatsu are designed for work in general construction, site preparation, home building, forestry and utility applications. Equipped with a fuel-efficient 3.26-liter, EPA Tier-3-emissions certified Komatsu engine, these models offer a net horsepower of 89 hp at 2,200 rpm and range in operating weight from 17,394 to 19,070 pounds. Both standard (EX) and low-ground pressure (PX) models offer 88 inches of track for improved weight distribution and flotation options on the jobsite.