Genuine LiftMaster 71-1550B16LGH 16-tooth operator sprocket kit, 1in bore, with set screws for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum JDC, RJDC and JHDC operators with a 1 in. output shaft.
16-tooth operator sprocket, 1 in. bore x 1/4 in. keyway, supplied with set screws. Use it to raise door speed or match a larger door sprocket; the 10-tooth 71-1550B10LGH goes the other way.
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.
