Posted by Fawteen on April 16, 2021 at 04:31:18 from (72.65.96.252):
I obtained a JD455 with a dead engine. I have a Shibaura (Ford) with a small diesel that runs perfectly, but the rear end is junk and parts are NLA. I'm hoping to transplant the engine out of my Shibaura into the JD.
The Dilemma:
The JD has a hydraulic pump for service hydraulics that drives off the transmission shaft. The Shibaura engine has a gear pump that only operated the 3PH. Hard piped from the trans sump to the pump and back to the valve for the 3PH. Don't need that pump, would like to remove it.
Haven't messed with it yet but it's mounted to the injector pump housing and I suspect the hydraulic pump and the injector pump share a drive so just yanking the hydraulic pump off is probably not gonna work. Running it with no oil circulating is also not gonna fly.
Thinking a small tank and just circulating oil out of the tank, through the pump and back to the tank might work. No load so the oil shouldn't get too hot. Kind of a PITA, but without further investigation (scheduled for today) not seeing any other way.
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