I used the entire I-4 back plate, flywheel clutch, and input shaft package with the 300 motor.
To mount the engine, I had to use the I-4 front accessory drive and cover, thats where the problems came in. 300U used 1/2 dowel pins (I-4, none) and larger 1/2 bolts (I-4, 3/8) in the face of the block. I had to step down the bolt holes in the block, drill the dowell holes in the acessory drive plate and shave the dowell pins flush with the plate. The 300U's magneto drive had a slightly different bolt pattern requiring me to use the I-4's.
Outside of needing the older I-4 front cover for its engine mount, it was all straight forward.
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Today's Featured Article - Tractor Profile: Earthmaster - by Staff. This tractor, manufactured by the Earthmaster Farm Equipment company in Burbank, California was made for only two years. The Model C came out in 1948 and was followed by the "CN" (narrow-width model), "CNH (narrow-width high-crop model), "CH" (high-crop), "D" and the "DH" (high-crop) in 1949. The main difference between the models was tire size, tractor width and cultivating height. The "D" series were about 20 inches wider overall than the
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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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