Chain Pack #41 1200 and 2200lbs Maxum 12' L-Rail

The LiftMaster TDC41-12 is a 12’ rail assembly with a #41 chain, engineered for use with LiftMaster TDC series commercial operators. Designed for medium- to high-lift doors, this OEM component delivers precise chain engagement, stable trolley travel, and long-cycle reliability.

Built from heavy-gauge steel, the rail is optimized for industrial and commercial environments. It comes pre-assembled with a #41 chain for reduced install time and is compatible with LiftMaster’s TDC operator heads—ideal for field technicians installing or servicing oversized or taller doors.

Technician Highlights:

• 12-ft steel rail with #41 chain for TDC series openers

• Supports larger commercial door travel paths

• OEM pre-fit rail with clean chain tracking

• High-strength design minimizes flex and misalignment

• Ideal for retrofits, rebuilds, and tall-door installations