LiftMaster K41-0378-000 Motor, Gear Box & Encoder (T1200)

The LiftMaster K41-0378-000 Motor, Gearbox & Encoder Kit is a fully matched OEM service solution for J/JH 1200 commercial openers using a 3-inch shaft configuration. This plug-and-play assembly includes a replacement motor, heavy-duty gear reducer, and encoder—engineered for quick field replacement and optimal drive system restoration.

Perfect for high-cycle environments, this kit addresses issues like motor fatigue, torque loss, or feedback failure. It simplifies the rebuild process, reduces downtime, and ensures continued operational reliability.

Technician Highlights:

• Complete motor/gearbox/encoder kit for J/JH 1200 (3” shaft)

• OEM-calibrated for precise fit and reliable torque transfer

• Reduces time spent on diagnosis and part matching

• Suitable for rebuilds, motor failures, or service upgrades

• Supports demanding high-cycle commercial applications