Davis Door Service - Commercial Trolley Garage Door Operators by LiftMaster, Apollo and US Automatic

Davis Door Service installs and services all LiftMaster products. For more information please call us at 817.572.2938

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.

GT
Heavy Industrial-Duty Trolley Operator

Model GT is a heavy 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.

ATS
Advanced Trolley System 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.

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.

Commercial Garage Operators / Trolley Garage Door Operators

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