Same tractor on the same dyno pull. Rated is taken at 540 pto rpm. Then lugged to max torque. Max is what the torque peaked at when the engine was lugged down. Not an actual HP number. Example. If the max reading was taken at 75% of rated speed when lugged down. Then the HP reading on the dyno dial needs to be multiplied by .75 to actually show HP. The two stroke had flat torque output. Didn't matter if it was 1200 or 2400rpm. The torque on the dyno was identical. The difference on the 830's indicated one with slow and limited governor response. Peak HP was different but once the rack finally moved to full open. The torque readings were similar.
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Today's Featured Article - An Old-Time Tractor Demonstration - by Kim Pratt. Sam was born in rural Kansas in 1926. His dad was a hard-working farmer and the children worked hard everyday to help ends meet. In the rural area he grew up in, the highlight of the week was Saturday when many people took a break from their work to go to town. It was on one such Saturday in the early 1940's when Sam was 16 years old that he ended up in Dennison, Kansas to watch a demonstration of a new tractor being put on by a local dealer. It was an Allis-Chalmers tractor dealership,
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