pistons r a tad loose when block is honed for 4.125. Have your M block bored to fit liners from a super mta-450, but order a super mta engine kit, so it still has the M wrist pin, or get a set for a 450 and use the late 400 bushing for a lighter weight setup. really flush out the water jacket, especially upfront of the block. alot of sediment settles in there. a decent 281 engine is capable of 70hp. good luck, my email is open if u got some extra questions.
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Today's Featured Article - Tractor Profile: Allis-Chalmers WD45 (Gas Version) - by Staff. Beginning production in 1953, the WD45 had the same general look as the WD tractor which was produced earlier - but was much more powerful. This was due to the new 4-cylinder "Power Crater" gasoline engine with a 4 x 4-1/2 inch bore and stroke. Some people feel this was one of the most significant tractors offered by Allis-Chalmers in those days. Nothing in its weight or power class could match its performance. In 1954 they began offering the WD45 with the new "Snap-Coupler&quo
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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