Door Openers

Commercial Door Openers > Trolley Operators

Commercial Jackshaft Garage Door Opener

Gearhead Trolley Operator

Gearhead Trolley (GT) style commercial door operators employ lubricated gears and are optimal for heavy industrial, high-cycle applications. 

All LiftMaster Openers and Operators should be purchased through a Dealer and professionally installed.


FEATURES

PERFORMANCE
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • Single-Phase: 115V and 230V, 3-Phase: 208V, 230V and 460V, 575V is a discrete model without field-selectable voltage.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection. Available in 1/2, 3/4, 1 and 1-1/2 HP; single- or three-phase. Capacitor start on single-phase.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • 10:1 first-stage using heavy-duty gears running in oil bath; cast iron housing; #41 chain second stage; #41 output chain on trolley.
  • Sealed roller bearings in gear reducer. Flange-mount industrial ball bearings on drive shaft.
  • Brake comes standard.
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • #41 Trolley Roller Chain comes standard.
  • Two-year warranty.
SAFETY AND SECURITY
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Emergency Disconnect disconnects the operator from the door for manual lifting in an emergency.

Commercial Jackshaft Garage Door Opener

Trolley Operator

T-style trolley commercial door operators are optimal for general industrial applications. 

All LiftMaster Openers and Operators should be purchased through a Dealer and professionally installed.


FEATURES

PERFORMANCE
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • Single-Phase: 115V and 230V, 3-Phase: 208V, 230V and 460V, 575V is a discrete model without field-selectable voltage.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection. Available in 1/3, 1/2, 3/4 and 1 HP; single- or three-phase. Capacitor start on single-phase. Removable without affecting limit switch settings.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • First-stage heavy-duty 5L V-belt; second #41 chain; #48 (for 1/3 and 1/2HP) and #41 (for 3/4 and 1HP) output chain on trolley.
  • Industrial ball bearings on output shaft, heavy-duty oil-filled bushings on reduction shafts.
  • Brake Standard on 3/4 and 1 HP operators, (optional on 1/2 HP, not available on 1/3 HP).
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • #48 on 1/3 and 1/2 HP. #41 on 3/4 and 1HP.
  • Two-year warranty.
SAFETY AND SECURITY
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Emergency Disconnect disconnects the operator from the door for manual lifting in an emergency.

Commercial Jackshaft Garage Door Opener

Apartment Trolley Operator

Apartment Trolley (APT) style commercial door operators are optimal for high-cycle apartment house applications. APT-style operators employ an auto-reconnect trolley with nylon inserts and a resilient-mount motor for quiet operation. 

All LiftMaster Openers and Operators should be purchased through a Dealer and professionally installed.


FEATURES

PERFORMANCE
  • Dual Voltage Connections increase flexibility by enabling the installer to select the required voltage within phase, to meet job-site requirements.
  • 115 and 230 volts1 O.
  • Control Function Selector Dial enables easy selection and programming of (7) wiring types, from constant pressure to close, to specialized Timer-to-Close functionality to meet end-user needs.
  • Continuous-Duty High-Starting Torque Motor performs in demanding industrial overhead door applications.
  • Resilient-Mount Motor provides quiet operation.
  • Motor Removable without Affecting Limit Switch Settings saves time and money for maintenance.
  • Adjustable Friction Clutch helps to protect door and operator from damage should the door meet an obstruction.
  • Mid-Stop enables partial opening of door to a preprogrammed position for energy savings, time savings and convenience.
  • Maximum Run Timer reverses or stops door if closing time exceeds expected time-frame to limit damage to door and operator.
  • Delay-On-Reverse Circuit prevents abrupt reversal of door, reducing wear on the door and operator system.
  • 3-Button Control Station with Maintenance Alert System (MAS) provides open/close/stop functions and notification when routine maintenance is required.
  • Continuous-duty high-starting torque motor with instant reverse and overload protection.
  • Operators are factory preset to C2 wiring, providing momentary contact to open and stop, with constant contact to close.
  • 5V DC NEC Class 2.
  • First-stage heavy-duty 5L V-belt; second and third stages #41 chain; #48 output chain on trolley.
  • Industrial ball bearings on output and first reduction shafts; bearings on second reduction shaft.
  • Solenoid Brake comes standard.
  • NEMA 1 type electrical box, heavy-duty 11-gauge steel frame with durable powder coat finish, all reduction sprockets drilled and pinned to shafts.
  • #41 Trolley Roller Chain comes standard.
  • Two-year warranty.
SAFETY AND SECURITY
  • UL 325 requires all commercial door operators to be either constant pressure to close or be equipped with a primary external monitored entrapment protection device.
  • Security+ 2.0™ safeguards your facility – with every click, a new code is sent to the commercial door operator so the door opens only for you.
  • Timer-To-Close conveniently and confidently closes the commercial door automatically after a predetermined amount of time has elapsed for added security and peace of mind.
  • Emergency Disconnect with Auto-Reconnect disconnects the operator from the door for manual lifting in an emergency and automatically reconnects for convenience.