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  1. Cummins 4BT look alike engine ID

    General Discussion
    A good many of those engines are built by Iveco. Case/New Holland uses the model 334T/M2 which is a 3.4L 3 cylinder and the 445T/M2 which is the 4.5L 4 cylinder. Many of their parts carry multiple part #'s including Cummins. Here's a photo of an Iveco 3.4 head which is totally identical to a...
  2. Best turbo option for me.

    Performance Discussion
    I always liked the Case idea. On their part #, they took the OEM Cummins # which began with a 3 and replaced that # with a "J". Since they and Cummins split up, some of the old part numbers have started to disappear and new ones bear no similarity to the old one.
  3. Here's the Descrambler

    Buildup Showcase Threads - All Engines, Vehicles
    Sounding good. Yeah, if you could get your operating RPM into the 1700-1800 range your fuel mileage should improve quite a bit. Once you pass the 2000 mark, both the torque and fuel mileage start to drop a lot. Automatics never get quite as good as manuals. Just the nature of the beast.
  4. Rebuilding a 5.9 2005- what do I re-use?

    General Discussion
    Looks like you're coming right along. You had mentioned having the injectors checked. Good Idea. The ones for that engine tend to be kind of pricey since they are electronic. Since you're rebuilding completely, I'd go for head studs instead of the bolts. Not horribly expensive and they seem to...
  5. Help Identifying Flywheel Housing

    General Discussion
    That housing could have been on any number of applications. The 4bt with the Eaton 5 speed used the SAE2. So did many of the 6bt's and the 6ct may also have had the same bolt pattern on the block. The limitation on most swaps will be what transmission you can mate to it.
  6. Best Transfer case behind 4L80E

    Transmission, Adapter, Transfercase Discussion
    Not the best place to put a for sale item. You did notice that the last post on this thread was 8 years ago?
  7. Best turbo option for me.

    Performance Discussion
    I believe you'll find the Komatsu engine is a Cummins. I may have a parts catalog that has corresponding Cummins numbers beside the Komatsu.
  8. Cummins 4BT look alike engine ID

    General Discussion
    I think you'll find those engines look like a Cummins because they are built under a Cummins license. They are a sort of mixture of the old B series and the ISBe series. They use the rear gear train like the ISBe's but still have the 8 valve head and use regular injection pumps instead of common...
  9. 4.5 Powerstrokes?

    General Discussion
    Probably most of the engines are still in the same truck they came in. Don't know that they all up and died, but they just didn't catch on. Cummins made ISBe 4.5's that had more power but aren't available in the US for some reason. The Cummins Euro 6 version has 210 HP and 626 lb ft torque...
  10. Best turbo option for me.

    Performance Discussion
    The stock pickup bolts are 20mm which just happen to be the same as the oil pan bolts. Could go ahead and install the pickup and just get a few more oil pan bolts. Did you order 25mm bolts? The Cummins industrial catalog doesn't indicate what bolts to use with the stiffener plate. No specs in...
  11. 1984 Chevy Silverado - 4BT Swap

    Buildup Showcase Threads - All Engines, Vehicles
    That tappet cover gasket has often been a headache. Not really a design to use any kind of sealant although some do try it. It is often a source of leaks. If you wanted it pretty much leak proof, go for the aftermarket billet aluminum unit that uses an O ring seal. It offers an option of having...
  12. 1989 Grand Wagoneer 12v/727

    Cummins 6BT / 5.9 Conversions
    Sounds like you've got either a bad drive line angle or some very weak U joints. What size joints are those?
  13. 4JB1T Compound Isuzu Rodeo

    Buildup Showcase Threads - All Engines, Vehicles
    With twins, the noise level is greatly reduced. Some don't need a muffler.
  14. 2001 Nissan Xterra #Nxterra 4BT,NV4500,NP231

    Buildup Showcase Threads - All Engines, Vehicles
    No factory settings on the wastegate is usually in the 18-20 PSI range. You either have to adjust the actuator to get the boost up or a simple solution is install a small valve in the line so you can adjust with a screw driver. Those boost elbows are very cheap and lets you fine tune it. Here's...
  15. 1984 Chevy Silverado - 4BT Swap

    Buildup Showcase Threads - All Engines, Vehicles
    Yeah, life sometimes gets in the way of projects. Just take your time and be patient. This is a great project and deserves that. They sure gave you plenty of extra on that front cover gasket. Here's a good video that gives some tips when installing the oil pan. Mostly old school but that works.
  16. 47RH issue has me stumped "need help"

    Transmission, Adapter, Transfercase Discussion
    Just curious, if you have an all manual valve body how do you shift into OD?
  17. 4bt block stiffener

    Cummins Tech Section
    No, didn't miss this. This is a duplicate to a post in another section. I did answer. The part # for a regular 4bt is 3929093. The one in the photo is for an ISBe and doesn't fit a 4bt.
  18. Best turbo option for me.

    Performance Discussion
    I have several 4bts on my Quick Serve so I had access to the one in your photo. The standard one I gave you the part # for is in my Cummins industrial catalog. Last time I checked that part wasn't very expensive. Not sure how much longer the bolts need to be but possibly 5mm would be a guess...
  19. 2001 Nissan Xterra #Nxterra 4BT,NV4500,NP231

    Buildup Showcase Threads - All Engines, Vehicles
    Something sounds off a bit on your boost level. That HX30W 44mm should easily do 30 PSI or a tad more with no sweat. Have you adjusted the wastegate control? The Super HX30W is also an excellent turbo. I slight bit slower to boost but nothing terrible. If twins might ever be in the forecast stay...
  20. 2001 Nissan Xterra #Nxterra 4BT,NV4500,NP231

    Buildup Showcase Threads - All Engines, Vehicles
    If those injectors were 150 deg it sounds like they may be Lucas POD units. They tend to be a bit smoky and run hotter. Not the best choice for any Cummins. Stock P pump injectors on a 4bt were 5x.010 with 145 deg tips. Don't need much bigger unless you're running twin turbos. The the 5x.012...
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