Garage Door Chain Trolley

Square rail trolley assembly inner.

Garage door chain trolley.

For liftmaster chain drive garage door openers from 1984 to present. Garage door openers from grainger include continuous duty medium duty and heavy duty motors suitable for residential or commercial applications. Liftmaster liftmaster garage door opener complete trolley carriage assembly. The 41a3489 liftmaster chain drive trolley assembly from garage door supply company is compatible with all chamberlain craftsman and liftmaster chain drive garage door openers with t rail configurations made since 1984.

This replacement liftmaster trolley assembly is also compatible with wayne dalton post 1984 chain drive garage door operators. Door width ft 22 4 price. Trolley openers are typically used for standard lift sectional doors. Door height ft 16 4 18 4 max.

Chain drive openers feature a metal chain that engages the trolley to open and close the garage door. These openers are generally the most affordable but they are noisy due to the moving chain. Manual chain hoist 8 trolley 6 max.