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Crawlers, Dozers, Loaders & Backhoes Discussion Forum

1978 d3 dozer trans.

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ROMI

10-30-2004 11:01:41




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When I shift into forward or reverse it moves very slow,it was low on fluid about a gal.Even when I added it still moves with no power. I was wondering if it has a filter,and where can it be found.




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ROMI

11-01-2004 11:31:57




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 Re: 1978 d3 dozer trans. in reply to ROMI, 10-30-2004 11:01:41  
THE TRANS IS A 1R3F. BOB,THANKS FOR ANY HELP YOU CAN PROVIDE.



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romi

11-08-2004 08:48:18




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 Re: 1978 d3 dozer trans. in reply to ROMI , 11-01-2004 11:31:57  
BOB,I REMOVED THE PLATES THAT COVERED THE FLOOR .THERE WAS SO MUCH DIRT ON THE TRANS COVERS I SPENT 2 HOURS CLEANING THEM .IT GOT LATE AND NEXT WEEK END I WILL GET SOME CLEANER AND CLEAN THE TOP BEFORE I TAKE IT OFF,SO NO DIRT WILL GET IN THERE.YOU SEE THE DOZER IS ON MY PROPERTY IN N.Y. STATE AND I COULD ONLY GO THERE ON SUNDAY.IF IT IS A BAD TRANS HOW HARD IS IT TO FIX,AND ARE THERE ANY MANUALS I COULD SEARCH.THANKS BOB

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Bob/Ont

11-08-2004 11:56:58




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 Re: 1978 d3 dozer trans. in reply to romi, 11-08-2004 08:48:18  
Romi, email me and I can get you trans test info.
Later Bob



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Bob/Ont

11-02-2004 04:48:49




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 Re: 1978 d3 dozer trans. in reply to ROMI , 11-01-2004 11:31:57  
Romi, clean the screen as I told you before, then get a gauge that will read up to 600PSI and connect it to the pressure taps under the small cover with 1/8"NPT plugs in them. I forget how many plugs are under there, but one is clutch pressure and should be around 300 PSI. Start there and come on back with what you find.
Later Bob



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Bob/Ont

10-30-2004 18:10:17




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 Re: 1978 d3 dozer trans. in reply to ROMI, 10-30-2004 11:01:41  
Romi, if it's a 3 speed forward and 1 speed rev trans there is a screen under a large cover on the RH rear of the trans case. Clean that out and you will need to presure test the trans. Could help you with that if you tell me which trans you have 3F1R or 3F3R.
Later Bob



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