The shaft side of this engine is not used on this tractor. The original radiator on the tractor will have to be used regardless of which engine you choose. It has the hydraulic cooler built into it as well. You may need to use the original fan blade as it is different than the new one, and you may have to change some of the wiring to match your tractor. Finally, you may also have to use minor parts from your original engine for these to match up. All of the engines that we have are carbureted, none of them will have the fuel injection on them. If you buy our tapered shaft engine, you may have to cut part of the shaft off for this to fit in the tractor.