Grammer MSG285 Series

Heavy Duty Mechanical Suspension Seat

The MSG285 is GRAMMER's next generation MSG85 suspension.  With many similarities to the original MSG85, the MSG285 offers new benefits to those seeking a rugged, mechanical suspension seat.  

The MSG285 is a heavy duty mechanical suspension seat with a hydraulic shock absorber which benefits operators by accommodating operators up to 355 lbs.  This suspension is designed for tough, rugged applications like big construction equipment.  It is designed to provide lasting comfort in tough environments.  The cushion is vaccuum-foamed and easy to replace.  


  • Full, heavy duty mechanical suspension - provides dependable, hardworking comfort
  • Suspension stroke up to 3.9 in. (100 mm)
  • Weight adjustment range - up to 355 lbs. (160 kg)
  • Fore/aft adjustment - accommodates all body sizes/types
  • Height adjustment up to 3.1 in. (80 mm)
  • Lumbar support - easily adjusts for optimal back support and comfort
  • Adjustable headrest or backrest extension - to support upper back/neck
  • Swivel (0° to 360°) - allows for better view of rear equipment and improved cab mobility
  • Retractable seat belt - 2-point, 3-point, or 4-point - safety feature
  • Seat depth/tilt - four adjustable positions to reduce pressure on the backs of knees
  • Adjustable or foldable armrests - reduces load on the spine
  • Backrest angle adjustment - allows capability to recline to your comfort level
  • Document box or net - to store manuals/documents
  • Side-to-side isolator - reduces lateral vibrations
  • Fore/aft isolator - dramatically reduces horizontal vibrations and prevents jolts from jarring the back
  • Operator presence switch - safety feature
  • Seat heating - limits cold stress and positively influences operator's metabolism and mental state
  • Multi-functional armrest - featuring four or five fingertip controls, six switches, and an emergency OFF button, it meets all your control needs
  • Control carrier console - offers easy access to joystick controls
  • High back or low back seat top options available in three widths (721, 731, 741, 722, 732, 742)


Want more information on GRAMMER suspensions (mechanical v air) and what each one does?  Find out more in this blog post.