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LiftMaster Garage Door Openers

Light-Duty Series

LJ8900W

Brochure (PDF)
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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.  

Medium-Duty Series

MH

Brochure (PDF)
  • 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

Brochure (PDF)
  • 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

Brochure (PDF)
  • 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

j

Brochure (PDF)
  • 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

Brochure (PDF)
  • 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

Brochure (PDF)
  • 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

Brochure (PDF)
  • 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.