The original Farmall M was 6 volt whereas the Farmall MD used a 12 volt system (two 6 volt batteries in series to give 12 volts). Compared with the 6 volts for the gasoline/kerosene/distillate engines with from 4.25 to 1 (kerosene) up to 5.9 to 1 (gasoline) compression ratio engines the 12 volts would handle the MD with 6 to 1 compression ratio on gasoline for starting. The Farmall MD was only about 14 to 1 compression ratio on diesel, about as low as one can go for diesel engine. My small IH German built D-214 2 cylinder diesel engine has a 19 to 1 compression ratio.
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Today's Featured Article - Harvestin Corn in Southern Wisconsin: The Early Years - by Pat Browning. In this area of Wisconsin, most crops are raised to support livestock production or dairy herds in various forms. Corn products were harvested for grain, and for ensilage (we always just called it 'silage'). Silo Filling Time On dairy farms back in the 30's and into the first half of the 40's, making of corn silage was done with horses pulling a corn binder producing tied bundles of fresh, sweet-smelling corn plants, nice green leaves with ear; the
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