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LiftMaster
Typically used for standard lift sectional doors, trolley operators are available in light, medium and industrial-duty. The applications for trolley operators range from residential or light-duty applications to heavy-duty industrial applications.

Low-Profile Apartment House Trolley Operator APT
Low-Profile Apartment House 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.

Light-Duty Trolley Operator ATS
Light-Duty 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.

Heavy Industrial-Duty Trolley Operator for Standard Lift Sectional Doors GT
Heavy Industrial-Duty Trolley Operator for Standard Lift Sectional Doors
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.

Medium Duty Trolley Operator for Standard Lift Sectional Doors MT
Medium Duty Trolley Operator for Standard Lift Sectional Doors
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.

Industrial-Duty Trolley Operator for Standard Lift Sectional Doors T
Industrial-Duty Trolley Operator for Standard Lift Sectional Doors
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.