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Straight Stair Lifts

Harmar Pinnacle SL600HD Straight Stair Lift

The Harmar SL600HD stairlift is one of the most durable stair lifts in the industry as it offers a robust, 600 lb. weight capacity. Its wide seat has a high, 24” backing that is built for safe, comfortable rides for all users. Like all other models from the Harmar Pinnacle series, the HD is engineered to meet top quality standards and designed for comfort, convenience, and to blend with your home décor. The SL600HD is a great solution for homes and is often popular in commercial settings because of its extensive weight capacity.


  • Weight capacity: Industry-best 600 lbs.
  • Up to 40’ of travel
  • Patented helical worm gear drive system for extremely smooth ride
  • Seat swivels at landings, for easy and safe, entry and exit
  • Easy operating controls in the armrest
  • Operable in a power outage – up to 40 trips!
  • Wide and comfortable seat with height adjustment
  • Safety sensors will stop the lift if from running if the seat is not in the proper position or if something is blocking the stairway or track
  • Low maintenance and easy to vacuum and keep clean


  • Retractable seat belt
  • Key Lock to prevent unauthorized use of the stairlift
  • Additional rail for staircases longer than 40’


Harmar Pinnacle SL600HD Straight Stair Lift
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