JDcrawlers Messageboard

Hi. the pump is a Standyne DB2-4490, 2100; Deere #RE21175. I've been rebuilding John Deere engines and transmissions since I was 14, (63 now), but I have never tackled an injector pump. I usually send them to Ralphs Diesel Repair in Cazenovia NY. I think your right about it being gummed up. I would ...

I have opened every line on it at every connection. I think I'll pull the top off the pump and check the solenoid and metering valve, when it stops raining. If that's not the problem I guess I'll have to pull it and take it to Ralphs Diesel repair in Cazenovia, They have never failed me in 45 years ...

Hi, I have hand bleed every line all the way to the return line out of the injector pump. I have tried cranking the engine over with the injector lines loose and get nothing. I'm inclined to think your right about something stuck inside the pump. That being said, does anyone have a good diagram/sche...

Hi, I have a JD 450E dozer. It was run out of fuel and has sat for some time (3+ years). I can not get fuel out of injector pump to injectors. Plenty of fuel into pump from supply pump (new). Lots of fuel out pump bypass/return line. Solenoid clicks when key is turned on. What's next to try? Thanks,...