Search found 11 matches

by John1987
Wed Feb 15, 2023 11:00 pm
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

I swap my oil cooler lines an got my steering pressure line on the pressure line an adjust the clutch valve I had perfect pressure dozer pulled good then I was pushing with it then I stopped an started back then transmission pressure started dropping at low ideal it got about 80psi an at full thrott...
by John1987
Thu Feb 09, 2023 6:12 pm
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

I put new hose rated for oil some one said were ihad a rebuilt manifold for me to use 15-40 motor oil said the trans an hydraulic oil I was using was to thin an it was bypass the manifold rings
by John1987
Thu Feb 09, 2023 6:03 pm
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

Yes it will which the dozer up hill I pull good I have my steering pressure line hooked up to the return line on the transmission I thought that might be my problem that it is not getting anuff pressure to engage how can I tell if my clutch adjustment is right the one that on the shaft coming out of...
by John1987
Tue Feb 07, 2023 11:52 am
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

That link show for a 450d would the oil line be the same
by John1987
Tue Feb 07, 2023 11:38 am
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

I have the oil cooler lines crossed do you think that would be my problem the which has the power to pull the dozer up hill
by John1987
Tue Feb 07, 2023 11:36 am
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

I have the oil cooler lines crossed do you think that would be my problem the which has the power to pull the dozer up hill
by John1987
Tue Feb 07, 2023 10:33 am
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

The transmission case was cracked hi did not work that's why I rebuilt it. Now it stops pulling whether I'm pushing or just traming when it's stops pulling oil pressure stayed the same 180 psi i can go back the next day an it will pull for about th same time an then stops i done clutch adjustment I ...
by John1987
Tue Feb 07, 2023 12:00 am
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 1
Views: 1197

John Deere 450c dozer transmission problems

Rebuilt transmission everything new pulls an steer good for about 30 minutes then stops pulling still have good trans pressure 180 after it quits pulling I can take transmission oil filter off has very little oil comes out I need help I have a tech manual but it is no help to me
by John1987
Mon Feb 06, 2023 9:10 pm
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

Re: John Deere 450c dozer transmission problems

Pressure is about 180 did not change engine clutch whinch still work when it stops pulling thinking transmission oil cooler lines could be crossed need to know were they hook up which one is pressure line
by John1987
Mon Feb 06, 2023 9:06 pm
Forum: Late model JD crawler technical support
Topic: Jd 450c transmission oil cooler lines
Replies: 1
Views: 1204

Jd 450c transmission oil cooler lines

Need to know which is pressure an which is return an were they hook up on radiator
by John1987
Fri Feb 03, 2023 10:25 am
Forum: Late model JD crawler technical support
Topic: John Deere 450c dozer transmission problems
Replies: 14
Views: 3465

John Deere 450c dozer transmission problems

I have rebuilt my transmission dozer pull good for 30-45 minutes then starts acting up and then quits pulling