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Has anyone tried using an electric cooling fan on nhc250 to avoid replacing fan clutch

looking for inj pump off 936 wrecker 250 cummins and auto throttle. I will have the inj pump off a M931 great shape nothing wrong with it, just putting on one with a governor. I am also parting out a M54a1 mack.

Im rigging up a 931a1 for a feed truck. I'm running into a problem keeping the rpms steady with a hand throttle. The engine wants to slowly wind to 2100 or if its set at 1500rpm like where we want to operate it as soon as the pto comes under load it moves down to 900 rpms and doesnt want to...

Having PS problems on a 931 250 cummins. Hard steering at an idle but turns fine at 1000rpm. found some metal cuttings in the check valve, stiffened the check valve spring, still not working at idle. any info on what that pump is or where to get a rebuild kit for it?

I need some advice on timing the injector pump. Its an american bosch and I have tried to flow time it, but i cant seem to stop the fuel flow. Looking for advice.

I have a truck with a mack diesel. The truck puts out quite a bit of blue smoke and doesnt start under 40 degrees F. May need flow timed. Does anyone have any leads or info on how to adjust.