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I just happened to have the MF-135 parts book handy. I'll have to eat my prior post though its definitely possible that way. These things I found with the SAME MF and Perkins part numbers. Late diesel and gas, the early diesel was different: Block, crank, flywheel, crankcase, cam, cam drive gears, oil pump, exhaust manifold, rod bearing inserts, rocker arm assembly, rocker cover, rear cover (on the head), sleeves, wrist pin bushing (in the rod), wrist pin retainers, and water pump. These I found different: Head, connecting rods, pistons, starter, control rods, the diesel depends on the injection pump for governing but it mounts the same place as the gas governor. Valves and breather tubes are different. I can't tell if the wrist pins are the same, they are only sold with pistons. Then one needs injectors and their lines and ends up with a distributor and plug wires left over. The diesel has a fuel pump fitting where the gas has a plate to cover the hole. And there are lots of diesel fuel filter details. So if one ever wears out the rod bearings in a gas Perkins of this pair it has to be from running with NO oil, not ordinary wear. Or else the bottom end of the diesel Perkins of the pair is a little weak, but I've not heard any complaints in that direction. There's a whole lot more in common than I'd have ever dreamed, though from an engineering viewpoint it makes much sense, even more for manufacturing. Gerald J.
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