Has anyone ever seen a cummins in a jeep. Not a 5.9 but a 3.9 cummins the little one that goes in air compressers and generators the 4 cyl. Well i was wondering if anyone had seen one to mabe tell me how hard it would be to do.

 

https://www.dieselbombers.com/diesel...rsion-kit.html read this thread and see if it will answer some of your questions

 

I am very familiar with those small Cummins engines. They are used in all sorts of construction equipment including Case backhoes and crawler tractors from E series on. They use an SAE # 2 bellhousing (I believe it's #2) and adapting a trans to those is possible. I have seen many forklifts using Borg-Warner manual transmissions behind these critters with a great deal of success. Also, the Case backhoes use a Borg-Warner power shuttle (forward-reverse) so they might be the hot-spot to contact for your swap. Good luck, and have fun!

 

There were alot of bread/chip step vans that were converted over to the 4bt. Most of the GM chassis were auto t400 and the Ford chassis were manual. These would be a better source than const. equip. because of the govener. You want one already set up for a truck. Alot of the off-road guys have done this swap.

 

x2 FTE. Look for a box/bread/step van. I've seen a few of these 4bt jeeps driving around. The engine works out and fits so well it'll make you wonder why Mopar didn't try the setup themselves.