Genuine LiftMaster 7AUXTROLLEY08 auxiliary trolley mod kit, jdc7 & jhdc7, to 8 ft for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum JDC7 and JHDC7 jackshaft and hoist operators.
Adds an auxiliary trolley to a JDC7 or JHDC7 jackshaft operator for doors up to 8 ft high, for installations that need a trolley-style door connection from a jackshaft unit.
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.