Davis Door Service installs and services all LiftMaster products. For more information please call us at 817.572.2938
3900 Light-Duty Commercial Jackshaft Operator for Sectional Doors
Model 3900 is a light-duty jackshaft operator for light-duty commercial sectional applications only. It features a compact design ideal for limited height, cathedral, or obstructed ceiling installations.
LGJ Light-Duty Gear-Reduced Jackshaft Operator for Rolling Grilles and Shutters
Model LGJ is a light-duty gear-reduced jackshaft operator for rolling grilles and shutters. It features an internal door lock sensing circuit, a compact design and a floor level disconnect.
MJ Medium-Duty Jackshaft Operator
Model MJ is a Medium Duty Logic jackshaftoperator. It features a compact design, an adjustable friction clutch, a standard solenoid brake and a high-starting torque motor.
DJ Industrial-Duty Jackshaft Operator with Internal Door Lock Sensor
Model DJ is an industrial-duty jackshaft operator with an internal door lock sensor. It features a removable hinged electrical box cover, a continuous-duty high-starting torque motor, industrial ball bearings on the output shaft and a universal-mount frame design.
3950 Jackshaft Door Operator for Commercial Rolling Sheet Door Applications
Model 3950 is a jackshaft operator for commercial rolling sheet door applications. It features a compact design ideal for public, boat, and RV storage facilities.
MGJ Medium-Duty Gear-Reduced Jackshaft Operator for Rolling Grilles and Shutters
Model MGJ is a Medium-Duty Logic gear-reduced jackshaft operator for rolling grilles and shutters. It features a compact design, a floor level disconnect, a high-starting torque motor and a heavy-duty wormgear reducer.
J Industrial Duty Jackshaft Operator
Model J is an industrial-duty jackshaft operator. It features a removable hinged electrical box cover, a continuous-duty high-starting torque otor, industrial ball bearings on the ouput shaft and a universal mount frame design.
