173937, 150280, 871170764, 71170764, 871170768, 532 17 39-37, 5321739-37, 532173937. 1 x 101 mm blade coupling/magnetic coupling motor. and other lawn tractor models from Husqvarna, Jonsered, AYP, Sears, Craftsman, Electrolux, McCulloch, Poulan, Weed Eater, Yazooks.
