Sierra

Our versatile Sierra bucket seat is ideal for on or off-highway applications. The Sierra is available in countless variations and can be combined with H.O. Bostrom fixed and adjustable pedestals/risers or mechanical/air suspensions to meet your exact needs. Integral serpentine springs help isolate shock and built-in or adjustable lumbar support provide optimal comfort.

Available in high or low back with optional back recline, 5 inch fore/aft adjustment and flip-up armrests. Vinyl, or Durawear™ trims available with optional custom corporate logo.

    • 3.5” air suspension travel suspension
    • 3” dual locking height adjust with 4 locking positions
    • Bronze bushings in all pivot points for rigid, maintenance-free operation
    • Front release handle for height adjust
    • Front release fore/aft handle
    • 20” wide seat cushion with multi-density foam
    • Lever actuated recline mechanism
    • Provisions for mounting lap retractor inboard of the seat frame
    • Optional cutout in the backrest for rope bag
    • Power 8”/ 203mm fore/aft adjustment
    • Power 2”/ 51mm height adjustment
    • Power front/rear seat-cushion-tilt adjustment
    • Power reclining back adjustment
    • Built-in lumbar support is also standard.
    • Three-point ABTS (All Belts to Seat) offers left or right shoulder seat belt release with chrome swivel bezel
    • Available with either standard FireFighter or custom headrest logo. (One-time setup fee applies to custom logos.)
    • Available with optional flip-up armrests
    • Seat trim-material options include Vinyl, or high-strength, wear-resistant Durawear™
    • Choose from four suspension systems
    • Covered Air-50 suspension system offers 3”/76 mm of vertical travel
    • Covered Air-100 suspension system offers 4”/102 mm of vertical travel
    • Covered Air-140 suspension system offers 5”/127 mm of vertical travel
    • Covered Air-150 suspension system offers 6”/152 mm of vertical travel
    • Three-point ABTS option offers left or right shoulder seat belt release with chrome swivel bezel
    • Four air-suspension models offer a range of height adjustment in increments of 3”, 4”, 5”, or 6”/ 76mm, 102mm, 127mm or 152mm
    • Fore-aft adjustment offers 5”/127 mm of horizontal travel
    • Seat adjusts to rider’s weight and height preferences
    • Reclining back adjusts with single lever
    • Available with either standard FireFighter or custom headrest logo. (One-time setup fee applies to custom logos.)
    • Available with adjustable lumbar support
    • Available with optional flip-up armrests
    • See downloads for seat trim options
    • Upper seat only
    • Three-point ABTS option offers left or right shoulder seat belt release with chrome swivel bezel
    • Integrated seat springs isolate shock
    • Reinforced steel frame has been successfully pull-tested to 20G.
    • Several optional adjustments are available to enhance rider comfort including 3”/ 76mm mechanical heavy-duty height, 5”/ 127mm fore-aft, and back recline.
    • Available with either standard FireFighter or custom headrest logo. (One-time setup fee applies to custom logos.)
    • Available with integrated or adjustable lumbar support
    • Also available with optional flip-up armrests
    • See downloads for seat trim options
    • Upper seat only
    • Integrated seat springs isolate shock
    • Reinforced steel frame has been successfully pull-tested to 20G.
    • Several optional adjustments are available to enhance rider comfort including 3”/ 76mm mechanical heavy-duty height, 5”/ 127mm fore-aft, and back recline.
    • Available with either standard FireFighter or custom headrest logo. (One-time setup fee applies to custom logos.)
    • Available with integrated or adjustable lumbar support
    • Also available with optional flip-up armrests
    • See downloads for seat trim options
    • Mechanical front and back seat tilt
    • Mechanical fore/aft adjustment 5”/127 mm
    • Mechanical back recline 5° to 15°
    • Independent mechanical front and back seat tilt offers four unique seat positions and a total height adjustment range of 2.4”/60 mm
    • Mechanical fore-aft offers a total horizontal adjustment range of 5”/ 127mm
    • Mechanical back recline adjustment ranges from 5° to 15°
    • Available with either standard FireFighter or custom headrest logo. (One-time setup fee applies to custom logos.)
    • Available with integrated or adjustable lumbar support
    • Also available with optional flip-up armrests
    • See downloads for seat trim options