Chain Pack #41 1200 and 2200lbs Maxum 20' L-Rail

The LiftMaster TDC41-20 is a commercial-grade 20' rail and #41 chain assembly engineered for TDC series operators. Designed for tall or oversized overhead doors, this rail offers smooth trolley travel, accurate chain alignment, and reduced operational wear under high-cycle conditions.

Pre-fitted with a #41 chain, the TDC41-20 installs quickly in the field and meets LiftMaster’s OEM specifications for strength and reliability. It’s the go-to choice for installers and service techs handling demanding jobs in warehouses, distribution centers, and industrial bays.

Technician Highlights:

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

• Ideal for extended-lift and commercial applications

• High-strength design resists deflection and vibration

• Chain pre-installed for efficient setup

• OEM fit ensures compatibility and performance