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51 CHEVY 3600 DUALLY DURAMAX AXLE SWAP


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DetailMachine
New User

Jun 6, 2016, 9:12 AM

Post #1 of 5 (533 views)
51 CHEVY 3600 DUALLY DURAMAX AXLE SWAP Sign In

Im Curious if anyone has tried to put newer duramx axles in 3600?
I have recently purchased the rear out of a 13 duramax dually.
Thank you in advance


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jun 6, 2016, 10:00 AM

Post #2 of 5 (519 views)
Re: 51 CHEVY 3600 DUALLY DURAMAX AXLE SWAP Sign In

Can you please clarify just what you are trying to do? Why does it matter if this is a 1951 anything anymore if you are switching axles from what to exactly what? Thread may belong and be moved to "Transmission" section for better info when some details are better known,


T



DetailMachine
New User

Jun 6, 2016, 10:09 AM

Post #3 of 5 (516 views)
Re: 51 CHEVY 3600 DUALLY DURAMAX AXLE SWAP Sign In

Okay so I recently purchased a 1951 chevy 3600 flatbed dually.
I was told the rear end was toast. Then I purchased a 2013 chevy dually axle.
My question.. Is it going to be a pain to make this axle work on my truck?
Should I go a different route or is this something that I should be able to make work with minor fabrication?


Tom Greenleaf
Ultimate Carjunky / Moderator
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Jun 6, 2016, 11:07 AM

Post #4 of 5 (503 views)
Re: 51 CHEVY 3600 DUALLY DURAMAX AXLE SWAP Sign In

Do you mean the entire rear end or an axle? Actually if either I totally doubt it would just bolt on, right ratio plus almost certainly '51 was drum and a 2013 is probably disc brakes - nothing will be easy IF YOU ARE REPLACING WHOLE DIFFERENTIAL.


What's "toast" about what you have?


T



nickwarner
Veteran / Moderator
nickwarner profile image

Sep 9, 2016, 9:20 AM

Post #5 of 5 (310 views)
Re: 51 CHEVY 3600 DUALLY DURAMAX AXLE SWAP Sign In

Measure the width between the axle flanges and the width between spring mounts, and compare it to what the original axle is. You might come out real close and might not. Its possible it could even bolt right up. Otherwise you would need to relocate the spring mounts to get it lined up properly. As long as you can make a good weld it can work.

You would also want to use a master cylinder for the later model, and that would mean you would need disc brakes up front as well. A worthwhile upgrade from a front drum setup anyhow, but can cost some cash unless there is a later model set up that is known to bolt up to your spindles and you could source in a wrecking yard. If you have the whole original brake setup on this, its just a single circuit system anyhow and for safety it would be better to change to dual circuit anyway.






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