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LiftMaster Commercial Operator · Installation & Repair

GT Gearhead Trolley Operator — Installation & Repair

Logic 5.0 gearhead trolley for heavy industrial, high-cycle sectional doors — South Florida installation & service

The LiftMaster GT is a Logic 5.0 gearhead trolley operator for heavy industrial, high-cycle applications — suspended from the ceiling and directly driving sectional overhead doors. With a continuously lubricated gear system rated beyond 90 cycles per day, it’s built for the busiest doors in South Florida’s warehouses and plants.

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LiftMaster GT Gearhead Trolley Operator — Logic 5.0
25/hr · 90+/dayDuty Cycle
SectionalDoor Type
Ceiling TrolleyInstallation
Lubricated GearheadDrive System
Logic 5.0Platform
myQ® + S+2.0®Smart Access
About This Operator

High-Cycle Trolley Power

The GT suspends from the ceiling and attaches directly to the door — classic trolley simplicity, upgraded with a continuously lubricated gearhead drive for heavy industrial doors that cycle all day. It’s the high-cycle answer for standard-lift sectional doors in manufacturing, logistics, and fleet facilities. Logic 5.0 brings myQ® facility connectivity, Security+ 2.0®, timer-to-close, and UL 325-compliant safety accessories, and the GT accepts numerous custom modifications to meet job specs. View full specs on LiftMaster.com ↗
LiftMaster GH Gearhead Hoist Operator — Logic 5.0
LiftMaster GT ready for professional installation
Professional Installation

GT Installation in Miami & Broward

We install the GT with properly engineered ceiling suspension, aligned rail and trolley, correct voltage configuration, and commissioned safety accessories — then cycle-test the door under load so it’s ready for industrial duty from day one.
  • Engineered ceiling suspension & rail alignment
  • Door balance verified before automation
  • Single- or three-phase power configuration
  • Safety accessories commissioned & cycle-tested
Schedule Installation
Repair & Service

GT Repair You Can Count On

Trolley rattling, rail misaligned, or the operator faulting under load? We repair GT operators with priority industrial scheduling and stock Logic 5.0 and drive parts to get high-cycle doors back in service fast.
  • Priority industrial service
  • Trolley, rail & chain repairs
  • Gearbox & motor service
  • Preventive maintenance for high-cycle doors
Call for Same-Day Repair
LiftMaster APT Apartment Trolley Operator — Logic 5.0
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  • 3On-site estimate. We measure, inspect, and quote at your facility — free.
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Good to Know

GT — Common Questions

GT vs. a standard trolley operator — what’s the difference?The GT adds a continuously lubricated gearhead drive rated for more than 90 cycles per day, where standard trolley operators are built for lighter duty.
What doors does it drive?Standard-lift sectional overhead doors in heavy industrial, high-cycle applications — it suspends from the ceiling and attaches directly to the door.
Can it integrate with our facility systems?Yes — Logic 5.0 supports myQ® monitoring, Security+ 2.0®, and standard control-station and safety-accessory wiring.
Do you handle custom specifications?Yes — the GT supports numerous custom modifications and we configure it to your engineering requirements.