Tecumseh 12hp 13hp OHSK120 OHSk130 Snow Blower Engine Crank Crankshaft & PistonPART – (1) John Deere 1332DDE snow blower, 13hp Tecumseh OHSk130 engine piston and mating crankshaft, Tecumseh part #35701A(CRANK), 35776A/35776B(PISTON STANDARD), Crank measures 1 3/8″ at flywheel side and has a 1 3/8″ rod journal. PTO output shaft is 1. Will fit the.