The Straight & Curved Stairlift Buyers Guide®


A Free Information Databank to Learn All About the Stairlift, Global Leading Manufacturers, Reviews, How to Choose a Stairlift and How to Buy a Stairlift!

Curved Rail Stairlifts

Curved Rail Stairlifts


Summit SL500HD Stairlift


Summit Stair Lifts
  Summit Stair Lifts
    Summit SL350AC Stair Lift 
    Summit SL350DC Stair Lift 
Summit SL350OD Stair Lift 
    Summit SL500HD Stair Lift 
    Summit Max HD Stairlift
    Pinnacle SL600 Stair Lift
    Pinnacle SL600HD Stair Lift

    Summit Cargo Lift
    Summit Product Line


Straight Stair Lifts
  Summit SL350AC
    SL350AC Features
    SL350AC Options 
    SL350AC Specs
  Summit SL350DC
    SL350DC Features
    SL350DC Options 
  Summit SL350OD
    SL350OD Features
    SL350OD Options 
    SL350OD Specs
  Summit SL500HD
    SL500HD Features
    SL500HD Options 
    SL500HD Specs 
  Summit MAX
    MAX Features
    MAX Options
    MAX Specs
  Pinnacle SL600

    SL600 Features
    SL600 Options 
    SL600 Specs
  Pinnacle SL600HD
    SL600HD Features
    SL600HD Options
    SL600HD Specs

Summit SL500HD

The Summit SL500HD has the heaviest carrying capacity (500lbs) in the industry as well as a 23” wide, high-backed contoured seat that helps ensure a comfortable, secure ride.

A reinforced footrest for added stability and heavy-duty armrests that help provide more secure transfers. Quality construction makes this high capacity lift a durable and reliable choice.


  • Industry’s ONLY 500lb/227kg capacity stairlift!
  • Broad, comfortable seat with a top height of 20” and a bottom seat height of 23”
  • Mounts to the stairs, not the wall
  • Reinforced footrest and armrests for added stability
  • Safety switch prevents lift from running when the seat is not in proper position
  • 85° swivel on upper and lower landings

Weight capacity

500 lbs (227 kg)

Power source

115 VAC

Seat size

23” W x 18.5” D x 16” T

Travel distance

16 ft standard; available up to 20 ft


20 fpm

Incline limits

30 – 45 degrees

Drive system

Aircraft cable rated for 4,200 lbs

Track (rail) type

Extruded aluminum


Acorn 120 Superglide Stairlift
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Acorn Stairlifts Quick Quote
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Acorn Stairlifts Quick Quote