Genuine LiftMaster K32-37560-3 gear reducer, 28:1, for the HCTDCU high-traffic overhead gate operator.
Fitment: LiftMaster HCTDCU and HCTDCUL high-traffic overhead gate operators.
Replace when the reducer is noisy under load, leaking, or the output shaft has developed play. Check the K80-38735 vent plug at the same time.