RAREELECTRICAL Brand Compatible With BRIGGS & STRATTON, CASE, JOHN DEEREBRIGGS & STRATTON 391423JOHN DEERE AM122337UNIT TYPE: BRIGGS & STRATTONTYPE: PMDDVOLTAGE: 12 VOLTSROTATION: CCWTEETH/SPLINES: 16 TEETH/SPLINESPINION/SPLINES OD: 40.6MM / 1.598INMOUNTING HOLE 1: 8.1MM ID UNTHREADEDMOUNTING HOLE 2: 8.3MM ID UNTHREADEDMOUNTING HOLE 3: 8.3MM ID UNTHREADEDAPPROXIMATE WEIGHT: 5.14LBS / 2.34KGNOTES:3.75”/95.3MM LONG FIELD CASEFOR USE WITH PLASTIC OR ALUMINUM FLYWHEELS ONLYPLEASE VERIFY YOUR OEM PART NUMBER FROM YOUR ORIGINAL UNIT TO HELP ENSURE FITMENT.BRIGGS & STRAT. AIR COOLED ENGINES 10HP HORIZONTAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 11HP HORIZONTAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 11HP VERTICAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 12.5HP VERTICAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 12HP VERTICAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 16HP HORIZONTAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 16HP VERTICAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 18HP HORIZONTAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 7HP HORIZONTAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 7HP VERTICAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 8HP HORIZONTAL BRIGGS SYSTEMBRIGGS & STRAT. AIR COOLED ENGINES 8HP VERTICAL BRIGGS SYSTEM