JDcrawlers Messageboard

Today I was trying to get to the bottom of this scenario, without getting too in depth. I ended up spraying the area where you adjust the steering clutches, towards the steering clutch packs with brake cleaner. I then attempted to drive it and it started to propel itself with the track that was at i...

I have just purchased what I believe to be a '69 450 crawler loader. Last year I was borrowing it from a friend, and after using it for about 1/2 hour, the crawler began to lose power to the tracks and then it would not move forward or backwards. At the time it had a bad leak on a hydraulic line to ...

Was wondering if there is a connection with the hydraulic clutch, if it is engaged by the pump, to the pressure plate, if that would have any effect on the transmission?

Does anyone know hom many hydraulic pumps are on a 1973 JD450C bucket crawler. Wondering if there is a hole in a steel line for the arms, would it affect the transmission being able to power the crawler. Thanks in advance.

Yes, the crawler does have two seperate reservoirs, one for the bucket and the other under the seat for the transmission. How many pumps are on this unit? Would a hole in a bucket line, cause the transmission to stop engaging properly if there is only one pump?

I was borrowing a friends circa 1973 JD450C Crawler w/ bucket. When in the back 40, the Crawler "lost" its ability to move forward or reverse. Prior to this, there was a leak in the steel hydraulic line, from rubbing on the frame, that runs near your left foor, under a small plate, but above the lef...