LIFTMASTER ATS TROLLEY OPERATOR
Model ATS is an advanced trolley system light-duty trolley operator. It features an automatic safety reverse and door stop, a maximum run timer, a heavy-duty "I-beam" configured trolley track, and an auto-reconnect trolley.
LIFTMASTER APT TROLLEY OPERATOR
Model APT is a low-profile apartment house operator that features a resilient-mount motor, low-profile design, industrial ball bearings on the output shaft, and quiet-gliding rail spacers.
LIFTMASTER MT TROLLEY OPERATOR
Model MT is a Medium-Duty Logic trolley operator for standard lift sectional doors. It features a high-starting torque motor, a compact design, quicket-gliding rail spacers and a quick-mount swivel header bracket.
LIFTMASTER T TROLLEY OPERATOR
Model T is an industrial-duty trolley operator for standard lift section doors. It features a low profile and industrial ball bearings on the output shaft.
LIFTMASTER GT TROLLEY OPERATOR
Model GT is a heavy industrial-duty trolley operator for standard lift sectional doors. It features a continuous-duty high-starting torque motor, quiet-gliding rail spacers, a quick-mount swivel header bracket and a removable hinged electrical box cover.