Liftmaster Belt Drive Operator This belt drive motor is offered in 1/2 horsepower to 3/4 horsepower. There are other optional gadgets you may add to your operating system, such as a digital keyless entry or extra transmitters.
Liftmaster Chain Drive Operators
The chain drive operators range from a 1/3 horsepower to 3/4 horsepower. There are other optional gadgets you may add to your operating system, such as a digital keyless entry, or extra transmitters.
Martin Belt Drive DC3700E
The Martin DC3700E is the quietest operator on the market. This is a belt drive, and is equivalent to a 1/2 horsepower. This motor is extremely ideal if you happen to have a garage under your bedroom or living room.
