The Caterpillar D9 dozer replaces the D9T dozer with productivity gains of up to 3 percent in cost per unit of material moved. The Tier 4-F Cat C18 engine delivers 440 net horsepower at 1,750 rpm.

December 26, 2020: Israel is again upgrading its D9 combat bulldozers. Aside from some minor mechanical improvements, the big change is the remote-control system used on some D9s. First developed and ...