LiftMaster K41-0479-000 Hoist Assembly, JHDC 700, 1200, & 2200

The LiftMaster K41-0479-000 Idler Shaft is a precision-machined OEM component used in TDC series commercial operators to provide rotational support and tension control for the chain system. Designed for high-cycle environments, it helps distribute load across the drive system, reducing wear and improving chain alignment.

This shaft is essential for addressing chain misalignment, excessive vibration, or rotational irregularities. It installs easily during operator rebuilds, drive line overhauls, or preventative maintenance.

Technician Highlights:

• OEM-grade idler shaft for LiftMaster TDC operators

• Provides critical support and tension balance in chain systems

• Machined steel design ensures smooth operation under load

• Minimizes chain slippage and sprocket misalignment

• Drop-in fit for fast, efficient field replacement