sometimes combine engine crankshaft didn"y have a hole for transmission shaft and different flywheel mountings. Since the combine engine was driving a large belt and didn"t use a mechanical clutch, no need for transmission input shaft hole for the pilot bushing. Flywheel and clutch stress is in and out- a belt drive pull has side stress on crank so a slightly different end main bearing may used and mounting belt pulley would be different that flywheel with need for larger thrust bearing surface. IHC 303 combine engine and tractor 460 engine same family- but swap purpose meant factory did a different crankshaf and if you want to swap combine engine to tractor meand crankshaft end work. tractor to combine means pull flywheel and get a special belt sheave meant for the conversion. RN
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Today's Featured Article - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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