I don't know for sure. I bought mine at a local parts store. They also listed two sizes. I bought both and returned the one that didn't fit. They can be a major PITA to get off of the driveshaft. I used a good quality cutoff wheel on a 4 1/4" grinder to cut most of the way through mine. Then I put a chisel end on my long barrel air hammer and it came off fairly easily. Maybe not real easy, but at least I didn't break a sweat.
It drove back on a lot easier than it came off. IIRC, I used a brass drift.
Should be well within my capability! www.mscottfabrication.com
Unless you take a wide detour, you shouldn't need 4X4 for that.
I don't consider it as a not great design, just an old design. It was probably almost genius whenever is was invented. These days, most "modern" diesel guys would probably consider mechanical fuel injection as a not real great design. Not having any experience with it, how was mechanical fuel injection on a gas engine? I know that it was first introduced a long time ago.
