jd450c crawler loader

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Dave Buchanan
420 crawler
420 crawler
Posts: 26
Joined: Thu Dec 29, 2011 10:02 pm
Location: english in

jd450c crawler loader

Post by Dave Buchanan » Tue Feb 26, 2013 6:01 pm

It crawles backwards when in neutral even when you put in low using clutch &first let out it will crawl backwards then forwards

Dave Buchanan
420 crawler
420 crawler
Posts: 26
Joined: Thu Dec 29, 2011 10:02 pm
Location: english in

Re: jd450c crawler loader

Post by Dave Buchanan » Wed Feb 27, 2013 4:58 pm

Thanks for info, You may be on to something . Can push clutch pedel all the way in ,put HLR in low let out on pedal it will creep backwards . I had the top off tranmission ,clutches looked ok. I could have missed something. Put a new engine clutch in it and had bell housing off should have pulled HLR out then. Hate to take back apart as they are a BEAR to work on. It seems to work ok in reverse.

JWB Contracting
2010 crawler
2010 crawler
Posts: 597
Joined: Thu Aug 27, 2009 10:08 pm
Location: Edmonton, Alberta

Bad bearings

Post by JWB Contracting » Wed Feb 27, 2013 11:29 pm

My un-educated guess is that the bearings in the HLR are toast.
Jason Benesch

John Deere 420, 430, 440 & 350C With 3 Point Hitch
John Deere 400G With Winch
John Deere 2010 Crawler Dozer
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oljoe
430 crawler
430 crawler
Posts: 95
Joined: Mon Feb 13, 2012 10:53 am
Location: Windsor, Missouri

Post by oljoe » Thu Feb 28, 2013 10:34 am

The problem may just be a linkage adjustment.
Have you adjusted the clutch and reverser per the manual?
It sounds like one of the reverser clutch packs is getting pressure when it's not supposed to.

Dave Buchanan
420 crawler
420 crawler
Posts: 26
Joined: Thu Dec 29, 2011 10:02 pm
Location: english in

Re: jd450c crawler loader

Post by Dave Buchanan » Thu Feb 28, 2013 7:33 pm

Well guess i,am going to take in back apart see what I can find. Tried the linkage ajustment . I ,am thinking about getting a 450g dozer are these good dozers.

Dave Buchanan
420 crawler
420 crawler
Posts: 26
Joined: Thu Dec 29, 2011 10:02 pm
Location: english in

Re: jd450c crawler loader

Post by Dave Buchanan » Thu Feb 28, 2013 7:41 pm

I hope found the problem broken disk spring ,holds reverse piston in

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