H&R Construction Parts and Equipment and Finney Equipment and Parts sell used replacement parts for several brands of bulldozers. Broken Tractor sells used parts for John Deere bulldozers.
As of 2015, H&R Construction Parts and Equipment tears down an average of three bulldozers per week and provides used and rebuilt parts for Caterpillar, Komatsu, John Deere and Dresser machines. Finney Equipment and Parts sells used parts from 17 different bulldozer manufacturers but specializes in John Deere, Hitachi, Komatsu, Case and Caterpillar dozers. Broken Tractor sells used and rebuilt parts including engines, transmissions, short and long blocks, and water and injection pumps for several models of John Deere bulldozers.