Genuine LiftMaster 1222DUALTROLLEY10 dual trolley mod kit, tdc12 & tdc22, to 10 ft for the Maxum industrial DC operators.
Fitment: LiftMaster Maxum TDC12 and TDC22 trolley operators.
Converts a TDC12 or TDC22 to a dual trolley configuration for doors up to 10 ft high. Second trolley rail and hardware included.
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.