Cummins 4BT & Diesel Conversions Forums banner


  1. Deutz and Allison 1000

    Deutz & Other Aircooled Diesels
    Hello everybody, new member here. I have recently begun a project and was wondering if somebody knew of something before I go the custom machined route. I think I’ve gone through 400 threads with mention of Deutz engines and haven’t seen anything posted about an automatic transmission. I have...
  2. Stock Jeep Auto transmission

    Transmission, Adapter, Transfercase Discussion
    Hey guys I'm researching to do a 4bt swap into my 97 wrangler and I am looking for the cheapest auto trans option. I currently have a stock 4.0L I6 TJ with the 32rh trans that has a recent rebuild on it. Is it possible to keep my stock transmission behind a 130 hp-145 hp rated 4bt? It would...
  3. 2001 explorer sport automatic 4wd

    Cummins into Fords
    Hi guys. New to the site. I have come to the realization that I may need a new truck or new engine in the near future. At the moment, I can't think of any other truck I would like to have that has a v6. As you may know, the stock 4.0 in the truck has its complications. If the case is that I need...
  4. 4bt wrangler tranny help!!!

    Transmission, Adapter, Transfercase Discussion
    I need some help/opinions... Im restoring my old jeep that had been totaled and am swapping the 4.0L for a 4bt. My plan is to use it to tow my toys around. Id like an automatic... Is the Allison 1000 a good option? does the allison 545 adapter work with it? Some people iv talked to say yes and...
  5. What Cummins engine would you recommend for a Grumman Olson 22 ft. Stepvan?

    General Discussion
    I'm about to buy a Chevrolet P30 Grumman Olson 22' It has a Chevy 350ci V8, automatic 3-speed transmission in it. What i want to know is: - What diesel engine would you recommend? - Is there a new engine out there? How much it costs? - Where and who can do the swap engine job? - What else would...
  6. Ranger Transmission Selection

    Transmission, Adapter, Transfercase Discussion
    Hi guys, new to this forum, Lot's of great info on here. I've been in the 6bt scene for a while now but im looking for a little fuel economy. Im fixing to get motivated on about a 98 ranger 4bt swap. This will be an extended cab 2wd. ive always been a standard tranny lover, but with wife...
  7. allison tranny and adapter plate

    Misc Stuff For Sale
    i have a used allison 545 4 speed tranny with all the adapter's and fly wheel to install behind a B series cummins. the tranny is also equipped with a hydrolic pto driven pump. this tranny came out of a f-750 dumpster hauler with the 5.9 6bt engine. it is a 4 speed no over drive, no park. i do...