Its one of those things that can work in theory but not very practical or economically feasible. Say a starter draws 500 amps at 12 volts DC = 6000 watts. At 120 volts thats 50 amps assuming an AC starter motor hugeeeeeeee enough for such a high torque requirement and many more initial start up load amps.....If you wanna leave the DC starting motor you have to rectify the AC and thats more inefficiency and heat losses..... Its more efficient to use a storge battery and then charge it up over a longer time which is what you already have. Crankcase and/or coolant heaters and big honkin battery chargers coupled with your own storage battery is a more efficient use of AC power to start your DC tractor......
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Today's Featured Article - An AC Model M Crawler - by Anthony West. Neil Atkins is a man in his late thirties, a mild and patient character who talks fondly of his farming heritage. He farms around a hundred and fifty acres of arable land, in a village called Southam, located just outside Leamington Spa in Warwickshire. The soil is a rich dark brown and is well looked after. unlike some areas in the midlands it is also fairly flat, broken only by hedgerows and the occasional valley and brook. A copse of wildbreaking silver birch and oak trees surround the top si
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