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  1. M

    M5-111 clutch engagement

    My M5 clutch engagement has been getting progressively worse. Currently have 1700 hours but this started at 800. I have the 24sp version and when moving around fields in 1H or 2H, doesn’t matter if I’m split hi or low, tractor will shutter pretty violently when engaging clutch. It will stop...
  2. M

    Kubota M5112 error code P0093

    Update: Installed high pressure pump and everything is good. Went ahead and disassembled the old pump and found the main spring was broken under the piston head. Looks like a valve spring off a car. Anyways, I went ahead and gave it a weight loss package and tune. All is good. Columbus Diesel...
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    Kubota M5112 error code P0093

    Ok, I get it. Wrong technical terminology. The only difference is the ‘injection pump’ delivers the fuel in sequence to a specific injector AT HIGH PRESSURE. The supply pump delivers fuel to a rail that injectors are tethered to AT HIGH PRESSURE. It’s semantics. Say either one and I know what...
  4. M

    Fuel Injection Gear Removal Tool

    Once you take the nut off, it’ll screw into the gear and then when you turn the tool, it will push against the end of pump shaft thus pushing the pump away from the gear.
  5. M

    Fuel Injection Gear Removal Tool

    I agree. Need threads, little protrusion to push on and something to put a wrench on. I’ll send to local shop Monday and get it made.
  6. M

    Fuel Injection Gear Removal Tool

    pic of the tool Spec drawing
  7. M

    Fuel Injection Gear Removal Tool

    I have the WSM and that's how I knew the thread size of the pump gear. I have worked on autos and trucks for over 30 years including diesels. I kind of figured the ECM may need flashed but I wasn't paying $6k for a pump. That's insane. I can buy a P7100 Bosch pump and have it worked over real...
  8. M

    Fuel Injection Gear Removal Tool

    That would be helpful. Lol. I have an M5-111. It’s a common rail pump. Dealer told me the pump was bad. Code P0039 and P3007. Said $6000. Columbus Diesel said they can take care of it. So I’m down to getting the pump out.
  9. M

    Fuel Injection Gear Removal Tool

    I am looking for the tool to remove the gear on the injection pump. The thread is 36mmx1.5mm and needs to thread inside the gear. Has anyone found an item at a local store they modified? I need to get this thing out to the pump guys. Hay season is closing in fast.
  10. M

    Kubota M5112 error code P0093

    Took to dealer. They diagnosed as bad injection pump. Part is $5700. Ouch!🤕. Curious is pumps are something that is common? I change all fuel filters at 350-400 hrs or minimally each year. I have 1600 on a unit that’s 5 years old. Who knows.
  11. M

    Kubota M5112 error code P0093

    Well, I pulled off the filter and the separator and all the lines. I blew compressed air through all the passages with no noticeable restrictions. The fuel filter is new from dealer. I did learn there is a small filter in the bottom of the fuel pump housing. The dealer said they have never sold...
  12. M

    Kubota M5112 error code P0093

    I have an M5-111 with 1600 hours. Yesterday I pulled out of shed and it came down to an idle and began surging. Code P0093 showed up. I had just purchased new filters last week so I installed the fuel filter and removed the separator bowl and cleaned. That didn't help. Chart shows possible High...