Model GSD is designed for single and bi-parting doors.
Slide Door Operator
Heavy Industrial-Duty
2-Year Warranty

Model SD is designed for single and bi-parting doors.
Slide Door Operator
Industrial Duty
2-year Warranty

Model DJ is designed for rolling doors and Grilles.
Jackshaft Operator
Industrial-Duty
2-Year Warranty

Model J is designed for sectional doors with high or vertical lift and rolling doors and grilles.
Jackshaft Operator
Industrial-Duty
2-Year Warranty

Liftmaster Model MJ
Model MJ features a compact design, an adjustable friction clutch, a standard solenoid brake and a high-starting torque motor.
Jackshaft Operator
Medium-Duty
2-Year Warranty