Search found 7 matches

by WAYNE-N-TX
Thu Mar 28, 2013 7:32 pm
Forum: Late model JD crawler technical support
Topic: JD 450B
Replies: 20
Views: 16289

JD 450B

I put the tractor in the shop, messed with it long enough. Don't know enough to work on the pump. Thanks all.
by WAYNE-N-TX
Thu Mar 28, 2013 2:55 pm
Forum: Late model JD crawler technical support
Topic: JD 450B
Replies: 20
Views: 16289

JD 450B

I decided just to carry the whole tractor to the shop. I most likely would have messed more up than I could fix. Anyway, 450B is in the shop as we speak.
by WAYNE-N-TX
Wed Mar 27, 2013 6:18 pm
Forum: Late model JD crawler technical support
Topic: JD 450B
Replies: 20
Views: 16289

JD 450B

Thanks guys, I'll get the pump reworked.

Now can you tell me, can I pull the pump myself (not a mechanic) or do I need to carry the whole machine to the shop?
by WAYNE-N-TX
Wed Mar 27, 2013 1:34 pm
Forum: Late model JD crawler technical support
Topic: JD 450B
Replies: 20
Views: 16289

JD 450B

Thanks guys for helping on this machine. I was on another site asking the same question. A gentleman come on and said his 350 did the same thing and the problem was the return line. Where the return line comes out of the pump, the first fitting has a glass type bead/ball and if it gets plugged it wi...
by WAYNE-N-TX
Wed Mar 27, 2013 10:30 am
Forum: Late model JD crawler technical support
Topic: JD 450B
Replies: 20
Views: 16289

JD 450B

The book I have says the pump is a DB model. The tag has been painted and still on the dozer so it's hard to read, this is what I seen. One box/place has a long number and I can't see half of it. Beside that number is "250" and a box just below (toward the back of pump) that one has "AR-51?47" & the...
by WAYNE-N-TX
Tue Mar 26, 2013 6:03 am
Forum: Late model JD crawler technical support
Topic: JD 450B
Replies: 20
Views: 16289

JD 450B

Yes, I loosen one at a time and turned the engine over. Diesel come out I tighten it back up and went to another.
by WAYNE-N-TX
Mon Mar 25, 2013 7:48 pm
Forum: Late model JD crawler technical support
Topic: JD 450B
Replies: 20
Views: 16289

JD 450B

I have a JD 450B Dozer. My project this winter was to install brake bands on it. I finished this past week, brought it out of the shop using it for a while (approx 20/30 minutes). Needed to make more adjustments, brought it back to the shop and made the adjustments. Tried to crank it and check if I ...