Chain Pack #41 1200 and 2200lbs Maxum 18' L-Rail

The LiftMaster TDC41-18 is an 18’ steel rail assembly with an integrated #41 chain, built for TDC series commercial chain drive operators. It’s engineered for taller overhead doors and high-lift configurations, offering precise chain alignment, minimal vibration, and long-lasting strength under frequent cycling.

Optimized for industrial and commercial environments, this OEM rail features pre-installed chain and alignment points for quick field installation. Trusted by technicians for new installations, rebuilds, and upgrades in large-bay or high-clearance systems.

Technician Highlights:

• 18' rail with #41 chain for LiftMaster TDC openers

• Handles oversized and extended-travel doors

• Ensures proper chain alignment and trolley tracking

• Durable, high-cycle construction for commercial use

• Reduces install time with factory chain integration