John Deere 450 Dozer Wont Move - Went to go push it back in the yard to do some body work but it won't move! The transmission is chained up and engine/clutch are still out. The front 2 wheels spin freely the back 2 are locked. So here is the problem. when i pull back on the right stick the dozer stops. The left track does not turn. With or with out a load. On flat ground it turns fine. I checked the fluid. I have 1966 450 dozer with the hlr and when i put it in r it wont move backward. I tried going through the speeds on the left hand side and i noticed them grinding into each gear. Everything on the loader works and even the hydraulic remotes work but the dozer will not move. Any ideas of where to start. I checked filter in front of the radiator and the lower. Most common problem on 450s is the linkage coming loose that connects the mechical clutch pedal to the trans. Most likely it is a bad connection in the computer harness, or a failed sensor. Wiggle wires, while trying to move the machine. Most likely is electrical since it. Crawlers, loaders, dozers and. A neighbor has a 450 track loader for sale. He was using it one day and it just quit moving. No loud clunking and banging. No fluid running all over. It was moving and. Here is the problem with it. It is a power shift model. It started with the steering getting weak. Then it got to where it wouldn't pull in higher gears. Now it will barely move and. Was told to fill hydraulic fluid to mid level of window on. During the first few minutes after start up, dozer will move forward and backward, but as soon as there is a load driveline stops moving. Then i cannot get it to move. If it isn't an automatic ,the most probable cause is the drive coupling stripped (no splines). Happened to a friend of mine when he was pushing tree stumps with a blade. We have a small bulldozer, s/n t0450jx139324, that we were using to clear fences with and the operator told me he had a problem. The dozer starts fine, but wont idle up,. We have a 1989, 450 g dozer that will not move, we had been using it to move some brush, went to back up and it stopped working, we changed the filter, drained the fluid,. My jd 450b crawler/loader won't move. It stopped driving in either direction while lightly pushing a small bucket of dirt.
Went to go push it back in the yard to do some body work but it won't move! The transmission is chained up and engine/clutch are still out. The front 2 wheels spin freely the back 2 are locked. So here is the problem. when i pull back on the right stick the dozer stops. The left track does not turn. With or with out a load. On flat ground it turns fine. I checked the fluid. I have 1966 450 dozer with the hlr and when i put it in r it wont move backward. I tried going through the speeds on the left hand side and i noticed them grinding into each gear. Everything on the loader works and even the hydraulic remotes work but the dozer will not move. Any ideas of where to start. I checked filter in front of the radiator and the lower. Most common problem on 450s is the linkage coming loose that connects the mechical clutch pedal to the trans. Most likely it is a bad connection in the computer harness, or a failed sensor. Wiggle wires, while trying to move the machine. Most likely is electrical since it. Crawlers, loaders, dozers and. A neighbor has a 450 track loader for sale. He was using it one day and it just quit moving. No loud clunking and banging. No fluid running all over. It was moving and.