Genuine LiftMaster 71-1550B16QGH 16-tooth operator sprocket kit, 1.25in bore for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum JDC, RJDC and JHDC operators with a 1.25 in. output shaft.
16-tooth operator sprocket, 1.25 in. bore x 1/4 in. keyway. Same tooth count as 71-1550B16LGH for the larger-shaft Maxum models.
See the full Maxum DC Operator Accessories & Kits guide for every trolley, sprocket and mounting kit, or call us with your door height and model number and we will confirm the right kit.
