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cummins

  1. E

    Cummins Big Cam Power Upgrades NTC 855 N14

    Hi everyone, I am new to the big cam world and Cummins cpl system etc. I have a 1990 Kenworth K100E with a N14 Mechanical NTC-365 rated at 375hp. Purchased the truck last year and has been awesome transporting our digger around and carting gravel, have since put a gravel trailer behind the...
    • ethan93
    • Thread
    • big cam cummins nt855
    • Replies: 5
    • Forum: Trucks
  2. J

    L10 Cummins

    just aquired this truck, runs great. Previous owner said people he got it from converted it to high flow. Issue is it wont get over 135-140 EVER! start up and idling it will barely get over 100. Replaced thermostat no change , fan/clutch working fine. It works (tested) but of course it never...
    • jastone502
    • Thread
    • cooling cummins l10 l9000 overheatin
    • Replies: 4
    • Forum: Trucks
  3. L

    Case 75XT 85XT 90XT 95XT Aftermarket Radiator Coolant Hoses Upper & Lower

    Has anyone ever tried sourcing replacement hosed locally at an auto parts store? I was looking to find some replacement hoses without having to wait X number of days for freight etc. Any info would be appreciated. There are some numbers on my stock hose that seem to be Gates ref. but there is no...
    • leibuys
    • Thread
    • 4bt anti freeze case 33 hoses coolant cummins radiator thermostat
    • Replies: 2
    • Forum: Skid Steers
  4. B

    GMC c7500 with 3126 swap to a m11?

    Hello guys so I’ve been having this idea for a while. I have two tow trucks one is a 2000 gmc c7500 with a 3126 and a 6 speed manual perfect engine it’s wonder it’s been nothing but kind to me but it’s really really really under powered for the truck it’s in. The truck it’s self has a 20 ton...
    • Bg1004
    • Thread
    • 3126 caterpillar cummins gmc m11 cummins
    • Replies: 7
    • Forum: Trucks
  5. D

    Best automatic transmission for 8.3 Cummins

    I am building a truck to haul a 20,000lb load on a 10,000lb trailer. Tellehandelers small dozers and ect. Can anyone recommend a heavy duty automatic transmission that would be able to handle this? ……. and be reliable. I already have a ram 5500 that supposedly has a 34,000 pound towing...
    • David311
    • Thread
    • 8.3 cummins automatic cummins hauling transmission
    • Replies: 10
    • Forum: Trucks
  6. C

    Cummins qsb 4.5 no start

    Got a cummins qsb 4.5 in jlg telehandler with a crank no start issue. Codes active for 4 fuel injector drivers and air flow. Can anyone help with the steps to troubleshooting also a wiring schematic and ecm pinout to troubleshoot if possible
  7. C

    JLG telehandler no start issue

    Got a JLG with a cummins QSB4.5 engine, so the engine radiator was pressure washed, machine started and moved a short distance and shut off, started back after trying for some time would idle then shut off under load, now it doesn't start at all. Active codes for all injector drivers and intake...
  8. R

    CAT D7 with a Cummins NT855

    Hello all, I just purchased a CAT D7G with a Cummins NT855 turbo engine. The engine was blowing oil out of the breather cap and white smoke out the exhaust. I am assuming it needs a complete rebuild. Since the dozer should have a CAT 3306 in it, some previous owner must have swapped it out in...
  9. C

    Case sv216 roller no start issue

    Got a case sv216 roller with common rail cummins engines, crank no start issue, what should I check for?
  10. N

    2017 kw t880 dump truck code: 1321 FMI14

    Got a truck in the other day for a hard start. Ad a bunch of codes throughout the whole system. Cleared them all and just a few came back(Engine starter solenoid lockout relay driver circut [active], electrical potential[stored], abs active[stored], tansmission primary shift selector[stored]...
  11. H621

    N14 370e ---BC4?

    Hey guys I have a N14 that I am having a tough time finding the right P/N for the accessory drive oil seal. The engine serial number data plate is gone and Kenworth can't find the part using the VIN. What's in the truck now is a 3078221 which was finger loose. This truck has has 2 or 3 seals...
    • H621
    • Thread
    • cummins dump truck n14 part number help
    • Replies: 12
    • Forum: Trucks
  12. B

    Isx liner shims!

    Does anyone have a lead on 0.050” liner shims for 152 diameter liners? 08 isx cm871
    • Bullair389
    • Thread
    • cm871 cummins peterbilt peterbilt 389
    • Replies: 14
    • Forum: Trucks
  13. T

    JLG sky track slow crank

    Working on a sky track with a 4bt Cummins has slow cranking issue, load tested battery clean connections checked voltage drop tried a new battery customer put a starter in it 4 months ago, removed starter anyway and bench tested it is it possible hydraulic pump is putting load on engine causing...
  14. B

    Doosan HP375 / 425 Problems

    I have 2 Doosan HP375/425 Compressors.... Issue 1 - 2018 Doosan less than 1000 Hrs.... Here are the Codes: SPN 1569 / SPN 5245 / SPN 91 I am pretty sure this is the DEF Head issue that is fairly frequent in them but the SPN 91 is a Throttle Position issue.... Is this related? The compressor...
  15. B

    Cummins ISB out of frame start.

    Hello, I just recently rebuilt a Cummins 6.7L isb (EPA 10) engine out of frame. I want to start it on the ground before installing it into frame. I know I will need batteries, fuel, coolant set up etc… Where I have trouble is the wiring. What wiring do I need to have installed/rigged up to...
    • BHunting
    • Thread
    • cummins engine engine ecm rebuild start up wiring diagrams wiring harness
    • Replies: 6
    • Forum: Trucks
  16. C

    6.7isb Cummins engine

    Looking at buying a 2022 medium duty freight liner m2 with a 6.7isb 325HP 750 Torque. Looking to turn this into a dump truck for my landscaping business. Does anybody have any experience with these truck and know if the truck will have enough power?
  17. funwithfuel

    Cummins to introduce Big A$$ Cam next gen

    Sorry guys link broke. Im trying to fix
    • funwithfuel
    • Thread
    • big cam cummins highway on road
    • Replies: 7
    • Forum: Trucks
  18. J

    Fuel tuning c8.3 p7100 F800

    Hey, does anyone have experience fuel tuning a cummins 8.3 with a p7100 injection pump? Interested in modest power gains, but I also don't want to break my driveline. It's in a 1995 F800 with a FS6206A eaton roadranger (nominally rated to 600ft-lb) and a meritor RS-21-230 two speed axle. The...
    • John V
    • Thread
    • 6cta8.3 c8.3 cummins f800 fuel p7100 tuning
    • Replies: 11
    • Forum: Trucks
  19. Flat Thunder Channel

    2005 Volvo SNL Day Cab - Wrecked Value?

    Hello everyone. Curious about the value of a damaged 2005 Volvo day cab truck. It has a 400 HP ISX Cummins with approximately 625K miles. The truck rolled on it's side dumping a trailer. The cab is smoked, but supposedly all the mechanicals are good. I'm only interested in the rear cut off...
    • Flat Thunder Channel
    • Thread
    • cummins cummins isx volvo truck value wreck volvo wrecked semi
    • Replies: 0
    • Forum: Trucks
  20. K

    L10 Optimized Cooling Cover

    so, we recently got a 1988 auto car with a Cummins L10. We have a water leak on the cover/block that mounts on back of the water pump...Oring has been replaced, have tried silicone, have replaced the water pump itself....still leaks... the cover for my set up is an obselet part so cummins...
    • katt68
    • Thread
    • cummins l10 waterpump cover
    • Replies: 4
    • Forum: Trucks
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