Harmar SL600HD Pinnacle Heavy Duty Stair Lift
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Harmar SL600HD Pinnacle Heavy Duty Stair Lift


  • $6,895.00
    Unit price per 
  • Save $600 ggg
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Harmar delivers an industry-leading 600-pound capacity with the all-new Pinnacle SL600HD stairway lift. Extending the many benefits of the Pinnacle's patented Worm Drive, the SL600HD features a premium ride, little to no maintenance, comfortable seating, and ease of access with a 90 degree swivel -- now with extraordinary lifting capacity.


  • Industry-best 600 pound capacity
  • Up to 40-feet of travel
  • Contoured 25-inch wide seat with extra-high molded seatback and attractive upholstery
  • Heavy duty seat, arm and foot rest frames
  • Integrated, easy to use constant pressure control switch
  • 90-degree swivel at upper and lower landings
  • Non-handed for easy change to right or left side configuration
  • 3-Year warranty on parts, 10-Year on gear rack, 1-Year on batteries

Wireless Convenience:
Wireless remote makes for ultimate
convenience, a Harmar exclusive.

Information at a glance:
Easy operating controls and indicator lights.

Safety and Security:
Removable key lock, for safety
when you are away

Unique Patented Drive System:
Innovative helical drive system
with modular gear rack


Weight capacity

600 lbs (272kg)

Power source

115 VAC

Operation power

24V DC Battery

Switchable arms (Left or right hand operation)


Overspeed Governor


Symmetrical Lift: (Ships and installs no handed)


Control in Armrest: (left or right hand operation)


Need to open chassis to install or change sides


Lift Mounts to Steps or Wall:


Minimum Folded Width:

17” (43 cm)

Minimum Footrest Height:

3.6” (9 cm)

Minimum Swivel Length: (check knees)

29.7” (75.4 cm)

Clear Distance Between Armrests:

25” (63.8 cm)

Floor to Seat Height Low / High: 2


Minimum Wall to Stair Side of Rail: 6

12” (30.5 cm)

Track (rail) type

Clear Anodized Aluminum

Seat Depth:

16” (40.6 cm)

Backrest Height From Top of Seat:

18” (45.7 cm)

Electrical Requirements:

100V - 240V AC

Operation Power:

24V DC Battery

Average return trips per charge

10 - 20 (varies with load, length)

Motor output amps at rated load

16 Amps

Travel distance

16’ Standard; 40’ Maximum (12.2 m)


14 fpm

Incline Range:

27 - 52˚

Drive System:

Helical Worm Drive


3-Year on Components: 10-Year on Rack: 1-Year on Batteries