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LiftMaster Garage Door Openers

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Light-Duty Series

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LJ8900W

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• For smaller, lighter sectional doors with light-duty cycle requirements.
• Rated Duty Cycle: Maximum 10 cycles per hour; Fewer than 25 cycles per day.
• Wall mount on small sectional doors.  

Light-Duty Commercial Door Operator for Sectional Doors

Medium-Duty Series

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MH

Medium-Duty Hoist Operator

• For use on smaller, lighter commercial doors with mid-range duty cycle requirements.
• Rated duty cycle: Maximum 12 cycles per hour; Less than 50 cycles per day.
• Wall mount for high or vertical lift sectional doors or small rolling doors and grilles.
• Chain hoist with electric interlock for manual operation in an emergency.

Mt

Medium-Duty Trolley Operator

• For use on standard-lift sectional overhead doors with mid-range duty-cycle requirements.
• Rated duty cycle: Maximum 12 cycles per hour; Less than 50 cycles per day.
• Suspends from ceiling directly attaches and controls a sectional door.
• Trolley with disconnect disengages operator for manual lifting in an emergency. 

MJ

Medium-Duty Jackshaft Operator

• For use on smaller, lighter commercial doors with mid-range duty-cycle requirements.
• Rated duty cycle: Maximum 12 cycles per hour; Less than 50 cycles per day.
• Floor level disconnect disengages operator manual lifting in an emergency.
• Wall mount for high or vertical lift sectional doors or small rolling doors and grilles.

industrial-Duty series

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j

Jackshaft Operator

• For use on industrial applications with smaller sectional doors.
• Rated duty cycle: 25 per hour; Up to 90 cycles per day.
• Side mounts to the wall for vertical or high-lift doors.
• Smaller rolling doors and grilles.  Wall or hood mounts.

h

Hoist Operator

• Optimal for industrial applications with larger sectional overhead doors.
• Rated duty cycle: 25 per hour; Up to 90 cycles per day.
• Side mounts to the wall for vertical or high-lift doors.
• Rolling doors and grilles.  Wall or hood mounts.

gh

Gearhead Hoist Operator

• For use on heavy industrial, high-cycle doors. Lubricated gear system and numerous custom modifications.
• Rated duty cycle: 25 per hour; Greater than 90 cycles per day.
• Larger/heavier sectional overhead doors. Side mounts to the wall for vertical or high-lift doors.
• Larger/heavier rolling door and grilles. 

t

Trolley Operator

• For use on standard-lift sectional overhead doors.
• Rated duty cycle: 25 per hour; Up to 90 cycles per day.
• Suspends from the ceiling. Directly attaches to drive and control the door.