No, it's a 61. Dual transmissions was not an option yet. Has the ford model A rear end. I built a k301 for it this spring to replace the original Wisconsin AENL. It is amazing what 3 HP can do when you only had 9 to start with. Never used it because it was anemic with the mower. And there has to be something wrong with the block alignment. It will eat a rod bearing in about 20 hours of use. I found a NOS crank, rod, main and rod bearings, oil pump, piston, had it bored .010 over. Crank end play at .001". Still eats rod bearings. So I found a bunch of k series Kohler's and built one.
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