All the cast frame could have been either 4 or 6 speeds depending on if sold on steel or rubber but I was talking about the 1st to 4th speeds as compaired to the Farmall first to 4th, The Deere if 6 speed tranny have a 5th speed that the Farmalls have nothing to compair in speed unless the Farmall has the rare optional 9 speed tranny. The high speed tranny of the 2 stick models 6th in the Deere will compair to 5th in the farmall, the single stick Deere 6th will be slower than the 5th in the Farmall. Better load pulling in high but not as fast empty for road use as the 2 stick model. I do not know if the pressed frame 2 stick models were avaible on steel with 4 speeds or not. And the 6 speed was first avaible on 1941 models A & B. if sold on rubber, could have been sold as a 4 speed tractor for steel with a rubber option. All A,s 40 and down only had 4 speed with a 2 stick transmission. I do not know if late 47 to 1949 AR were 6 volt or 12 volt systems as they were still a unstyled tractor. Or if they were avaible in the gas version or not. And for brush hoging you might need the slower low gear of the single stick models or the 60. With the pressed steel frame the A was switched to 12 volt because the 6 volt did not have the power to crank a gas compression engine. The B was still kept at 6 volt as they did not need the extra power to crank of the A. If the lower compression all fuel tractors were converted to gas with parts from later gas tractors then you needed to convert to 12 volt for them to crank. And all the cast frame tractors could have been bought as hand start only with no battery or generator.
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Today's Featured Article - Women and Tractors - More Views From the Farmer's Wife - by Teri Burkholder. The top ten reasons why the judges wouldn't let you participate in the stock antique tractor pull: Hey, this is stock! It came with that V8 in it! That "R" on my tires stands for "really old" not radial! Blue gas? We thought it was a pretty color! What wire hooked to my throttle?
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