3900

The Model 3900 is designed for use on light-duty commercial standard and high lift (5 ft. high lift max) sectional doors. Maximum recommended duty cycle: 10 cycles per hour.

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


GH

Gearhead (GH) style commercial door operators employ lubricated gears for heavy industrial, high cycle applications. GH-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.

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


ATS

The Model ATS (Advanced Trolley System) Door Operator is designed for use on residential or light-duty commercial door applications with standard lift. For doors up to 14′ high. Maximum recommended duty cycle: 8 cycles per hour.

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


MT

The Model MT Medium Duty Trolley Operator is designed for use on standard lift sectional doors up to 14 feet high and up to 12 cycles per hour.

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


MH

The Model MH Medium Duty Hoist Operator is designed for use on small rolling doors, grilles and industrial sectional doors with high or vertical lift.

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


MJ

The Model MJ Door Operator is designed for use on industrial sectional doors with high or vertical lift and on small rolling doors and grilles. Maximum recommended duty cycle: 12 cycles per hour.

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


T

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.


GT

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.


J

Jackshaft (J) style commercial door operators are optimal for industrial applications. Doors used with this operator should be balanced with the ability to be manually lifted by hand in an emergency or power outage.

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


H

Hoist (H) style commercial door operators are optimal for industrial applications. H-style operators include a floor level chain hoist to ease manual operation in an emergency or power outage.

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