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Office Master

Office Master MX84IU Maxwell Large-Tall 24-7 Intensive Use Task Chair

Office Master MX84IU Maxwell Large-Tall 24-7 Intensive Use Task Chair

Regular price $838.50
Regular price Sale price $838.50
Sale Sold out
Ships within 2-4 weeks

Customizations Total: $0.00

Perfectly suited for users of large and tall statures. 450 lbs max.

The Office Master MX84IU Maxwell Large Intensive-Use chair is constructed from heavy-duty components and wider-body supporting 24" seat cushions. This remarkable 24/7 rated mid-back chair provides a 450 lb. weight capacity and is built for large and tall stature users; Maxwell is built to endure! New slim-look design features a less intimidating look without sacrificing any support or comfort.

Large 24'' wide seat features resilient high density foam combined with a 10 layer plywood support and a steel seat plate reinforcement. The all-around extra heavy-duty components offer peace of mind and genuine support and comfort.

MX84IU Maxwell heavy-duty control mechanism includes ergonomic features such as seat depth adjustment (seat slider), rocking tilt and tilting backrest.

Relatively slim, tapered backrest contour blends in with other seating, including Office Master’s PT and IUHD series chairs.

Optional equipment available includes a wide variety of Arms, Cylinder, and Casters. See below for more detailed information.

A wide variety of 5 fabric grades and leather available with hundreds of fabric/color options. See link to Fabric and Color catalog below:


Chair Adjustments:

NOTE: The above video demonstrates general adjustment capabilities which may vary depending on the model of the chair. The actual functions & appearance of your chair may differ from the video & illustration shown above. For a list of actual capabilities, please see the Features & Benefits list below or call 877-374-6872 for kind assistance. 

Features & Benefits:

  • Rated for 24/7 Intensive-use
  • Easy back height adjustment
  • Pneumatic lift
  • Tilting backrest
  • Rocking tilt
  • Seat depth adjustment accommodates individual leg length
  • Tension knob adjusts seat to individual preference
  • Fabric panel back
  • Trim wide-back design
  • Dual-tone oversized casters


  • Seat Height Range: 18" - 23"
  • Back Dimensions: 23.5" w x 20" h
  • Seat Dimensions: 24" w x 17" - 19.5" d
  • Overall Width: 28"
  • Overall Height: 38" - 47"
  • Weight Capacity: 450 lbs
  • 7 year Limited Warranty 




  • 5" Black Heavy Duty - Seat height range: 18" - 23"
  • 4" Black Heavy Duty - Seat height range: 17" - 21"
  • 6" Black Heavy Duty - Seat height range: 19" - 25"

    Seat Slider (standard):

    • SLD - Seat depth adjuster, for that perfect fit of back and seat.

    Upholstered Back (standard):

    • Matching fabric applied onto outer back shell (add'l charge for grade 5 Comfortknit fabric)

    • Scratch-resistant & extra-durable Ballistic Nylon applied onto outer backshell (add'l charge)

    Headrest (optional):

    • 3-way adjustable headrest (upholstered in black leather-like material)


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