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Ironhorse Model 4000

Also see Models  2000, 3000, 4000, 5000, Big & Tall

See a video
about the Model 4000
Summary Rated for 24 hour intensive use, Fits people from 5'6" to 6'3", Supports up to 400 lbs.
  • High backrest design with inflatable air lumbar support insures personal fit for comfortable, prolonged sitting.
  • Robotically welded, heavy gauge tubular steel frame with positively locking backrest.
  • Anatomically contoured, high density, injection molded foam cushions are engineered for maximum memory and no pressure points.
  • Laser cut, 14 gauge steel pan provides total support for the seat cushion. NO wires, springs or fabric strapping that can be found in sub-standard seat frames.
  • Standard headrest is height and tilt adjustable. The angle and height can be locked into place for excellent support.
  • Optional Deluxe Comfort Headrest fully articulates for infinite adjustability. Height adjustable and locks into place.
  • Standard tilt-up armrests are height/tilt adjustable. Available on 400 lbs. rated chair.
  • Deluxe soft touch tilt-up armrests, height and tilt adjustable. Available on 325 lbs. rated chair.
  • Heavy duty knee-tilt mechanism designed for a lifetime of use.
  • Extra strong gas pressure spring for infinitely variable height adjustment.
  • Castors available for either carpeted or hard floors.
  • User Stature: 5' 9" to 6' 6".
  • Weight rating: 325 lbs. for chairs fitted with composite 5-star base and deluxe armrests.
  • Weight rating: 400 lbs. for chairs fitted with aluminum 5-star base and standard tilt-up armrests.
Mechanical Components: 5 years
Frame: 10 years
Cushion & Trim Warranty: 3 years

Backrest (height x width) 24" x 21"
Seat Cushion (width x depth) 22" x 19"
Seat Height, Standard cylinder 18" to 21"
Seat Height, Tall cylinder19.5" to 23.5"

Standard headrest
matching trim
Unique ratcheting feature locks headrest angle into 4 positions
Two inch height adjustment with 5 locking positions
  Deluxe Comfort Headrest (DCH)
matching trim
Developed by a Swedish ergonomics firm
Fully articulates
Adjusts to neck and head
Standard tilt-up armrests
weight rating: 400 lbs.
  Deluxe tilt-up armrests
weight rating: 250 lbs.
Not for 24/7
  Deluxe armrests
304 stainless steel tubes
weight rating: 325 lbs.
Reinforced Nylon Composite
29 in.
Rating: 325 lbs.
  Heavy Duty Black Cast Aluminum
29 in.
Weight Rating: 400 lbs.
  Heavy Duty Polished Cast Aluminum
29 in.
Weight Rating: 400 lbs.
60mm Hard Casters
60mm Soft Casters
Glides (Non Rolling)
20" x 22" Standard
21" x 22" Optional
    Fabric/leather trim:
  • Black Cloth
  • Standard Automotive Leather
  • Deluxe European Leather
  • Deluxe Automotive Leather (Tuscany)
Black cloth (one/two colors)
Standard automotive leather
Deluxe European leather
Deluxe automotive leather (Tuscany)

View Fabrics (Colors vary according to your monitor)
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