All listed prices include FREE site survey,  FREE delivery, and FREE Installation,

MSRP: $6195.00
Northcoast Mobility Price: $5995.00

Harmar delivers an industry-leading 600-pound capacity with the Pinnacle™ SL600HD stair lift.

No commercially rated-ETL! 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 85° swivel — now with extraordinary lifting capacity.

Industry-best 600 lbs capacity
Commercially rated, ETL
Up to 40-feet of travel
Contoured 25-inch wide seat with extra-high moulded seatback and attractive upholstry
Heavy duty seat, arm and foot rest frames
Integrated, easy to use constant pressure control switch
85° 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


Maximum Weight Capacity: 600 lbs. (272 kg)
Motor Output Amps at Rated Load: 16 amps
Overspeed Governor: Yes
Track (rail) Type: Clear Anodized Aluminum
Travel: 16’ Standard; 40’ Maximum (12.2 m)
Average Number of Return Trips per Charge: 10 – 20
Symmetrical Lift: Yes
Control in Armrest: Yes
Need to Open Chassis to Install or Change Sides: No
Lift Mounts to Steps or Wall: Steps
Minimum Folded Width: 17″
Minimum Footrest Height: 3.6” (9 cm)
Clear Distance Between Armrests: 25″
Floor to Seat Height Low / High: 22″
Minimum Wall to Stair Side of Rail: 12″
Seat Depth: 16″
Backrest Height From Top of Seat: 18″
Electrical Requirements: 120V A/C
Operation Power: 24 VDC Battery
Speed: 14 FPM
Incline Range: 27 – 45 degrees
Drive System: Helical Worm Drive
Warranty: 3-Year on Components 10-Year on Rack 1-Year on Batteries
Safety Devices: Centrifugal Overspeed Brake, Bi-directional Footrest, obstruction Sensor, Swivel Seat Cut-off Switch, Final Limits, Seat Belt, Chassis Obstruction Sensors