• Thank you for visiting HeavyEquipmentForums.com! Our objective is to provide industry professionals a place to gather to exchange questions, answers and ideas. We welcome you to register using the "Register" icon at the top of the page. We'd appreciate any help you can offer in spreading the word of our new site. The more members that join, the bigger resource for all to enjoy. Thank you!

injection pump

  1. J

    D7F injection pump

    I have a D7F with believed to be a 3306 in it but I have serial and pump number. But what I’m looking for is any info on getting rusted bushing(internal splined nut) out of the top of pump and any diagrams for gaskets and a damaged thrust bearing plus washers in governor housing… TIA Cat dealer...
  2. J

    zexel injection pump leak on 4jb1

    Hey, I've got a leak on my Zexel inline injection pump. Here's a video showing it: https://photos.app.goo.gl/Mpe4oC2dFRHE9jc86 I bought this engine used from alibaba, so unknown history on it. It didn't leak like this when I first got it. Recently I added an isuzu electric lift pump (per IHI...
  3. J

    New Holland LS180.B how to set timing

    After removing injection pump to replace broken bolts holding it on, my ignorant self did not pin the pump when removing. After NUMEROUS tries of moving pump installing and moving. I still can’t get it to run. I have service information for an LS180 but the 180.B has different engine. The...
  4. C

    no engine start = no boom lift = no troubleshooting

    Hello everyone, this Friday my 1994 Case 1840 died suddenly at the bottom of my steep driveway while lifting up a bucket full of snow. It is about 300 yards from the house, the engine was already warm because it was pushing snow in front of it all the way down but it would not fire up again...
  5. R

    1973 Case 450 Roosa master pump

    Pump is the Roosa master dbgfcc 431-46AJ / A-51425... was working. So poor boy attempting a re seal, pilot tube, ect ... long story short cam screw got me.. I read a post of cutting the pump body so after all else... tapping, drilling ect ... I did just that with air cut off and chisel... so now...
  6. P

    cat 246c starting issues

    246c cat 3044 engine wont turn over properly..replaced starter..battery...all battery cables. Still turns over very slow. Removed belt to a/c compressor..removed glow plugs(trying to reduce compression) Seams to be dead heading pressure. Either hydraulic pressure or injection pump? Removed...
  7. S

    Komatsu PC75UU-2 Injection Pump Timing

    My 1994 PC75UU-2, Serial number 8310, Engine Model # 4D95L-1, was belching black smoke and spilling fuel into the crankcase. Air filter was clean. Started well, ran well, but smoked under even a light load. Injectors were just rebuilt. Decided it was the Injection Pump. Took it off, sent it away...
  8. R

    Roosa Master

    Hi, I have a Roosa master pump that was brought to me tore down. Part number A-152378 model number DBGFCC 431-63AJ. This thing a 7-0 leaf spring and I can't seem to come up with roller to roller dimensions to save my life. If anyone has any suggestions it would be greatly appreciated.
  9. H

    JD 310C Backhoe low RPMs - injection pump vs fuel problem??

    I have a John Deere 310C Backhoe that recently started lacking power. I was running it one day and it started to lose power, then would not rev up, gain RPMs. It seems to be running around 1200-1500 RPM but no more with the throttle open. I have replaced the fuel filter, oil is good, diesel...
Top