Need help with a 450B Dozer

pops · Post by **pops** » Mon May 04, 2009 1:03 pm

Can anyone give me some help with a John Deere 450B dozer? It belonged to a good friend of mine who recently passed away and his wife said I can have it our haul it away to the junk yard. It’d hadn’t been run in over 10 years, but my son in law and I got it started with a new battery and a small shot of ether in just a few minutes. It has a 4 cylinder diesel engine that runs smooth and a 6 way blade, all the gauges and controls work fine except that the right hand track will not disengage, it will only go straight or make left hand turns. Seems a shame to junk it.

cinok · Post by **cinok** » Tue May 05, 2009 5:33 am

Please dont scrap that fine old machine if you dont want to fix it, there is plenty value in parts I know i could use a bunch

Tigerhaze · Post by **Tigerhaze** » Tue May 05, 2009 6:01 am

I think you will find this machine as described has around three to four times the value of scrap and maybe twice to three times the value of a parts machine. It would be a real shame to see it go as scrap. It really sounds like you may have a relatively straightforward problem- stuck steering clutch and/or worn brake band.

It may also be just an adjustment issue- I can't remember if this machine has the hydraulic steering assist or not but I believe remember hearing that the steering setup for these is an iterative process and so is difficult to adjust properly if the proper steps aren't followed.

digitup2 · Post by **digitup2** » Tue May 05, 2009 6:36 am

Get a manual is good advice for a 450B they need to be set up close to proper any way .There is a method in setting up these clutches and as far as getting the old Deere given to you well you got a treasure that is for sure.The 450B /6way is a Swiss army knife of crawlers change your coolant and watch your motor oil for milky white as the sleeves were notorious for pitting and leaking into crankcase.Digitup.

mini kahuna · Post by **mini kahuna** » Wed May 06, 2009 2:31 pm

I agree with digitup,450b is a workhorse.

Lu47Dan · Post by **Lu47Dan** » Wed May 06, 2009 6:22 pm

pops , welcome to the sandbox .
if you are the same guy from Home Shop Machinist , that is a good looking 450 you got . I posted links to the manuals at the John Deere Bookstore over there . You can buy them there or get them off ebay but they are a necessity when working on any crawler . Dan

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Need help with a 450B Dozer

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