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Discussion Starter · #1 ·
A friend has a 1970 J 4000 3/4 ton. I'm looking at it as a parts donor for my Yj.
I know the rear is a D60 and I believe the front is also but the pumpkin is on the passengers side. Its all 8 lug.
motor is a 350 buick with auto trans.
Anyone have more information on using parts from this type truck?
 

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My 71 J4000 had 5 lug Dana 60 35 spline axle in rear and closed knuckle 44 up front with 12 inch drum brakes all around.
 

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Discussion Starter · #3 ·
I just checked yith the owner and he said it has an 8 lug pattern. Could be because it's 3/4 ton. Think I need to look at it again.
He dosn't like the idea of parting it out because it's running and tagged. I wish the front axle would have worked.
 

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you can use the front axle.. by.. either using the entire driveline thats in it.. or by getting a D300 and mating that up to your tranny..
but.. those axles are wiiiiide... i have a 5 lug d60 rear from an ole 1/2 ton jeep truck.. and i had to cut it down 3" to match my full size wagoneer axle..
also.. that front axle is more than likely a closed knuckle d44.. yuckie.. they have smaller shafts (d30 thickness).. they are only thicker where the splines are at.. and 12" drum brakes that you can hardly get parts for.. since most are not made anymore..
if you are looking for just axles.. i would get a front d44 from a 80 or newer wagoneer/grand wagoneer.. and a rear from the same vehicle... they are only an inch or two wider than what you have now.. so you can still keep it street legal.. and the diff will be on the right (left) side for you
 

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Discussion Starter · #5 ·
Thanks. for the help.
I was thinking about it and It just seems wrong to kill a decent J4000 Gladitor, just for parts I can find other places.
 
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