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K100 Cab Over

K100 Cab Over

Kenworth K100 — Classic Cabover, Timeless Utility

The Kenworth K100 is an iconic Class 8 cab-over-engine (COE) truck, known for its space-efficient design and distinctive styling. Once a staple of fleet operations and long-haul routes, the K100 remains a favorite among collectors, restorers, and specialty haulers.

Key Specs:

  • Class 8 Cabover (COE)

  • Known for tight turning radius and maximized trailer length

  • Popular in long-haul, urban freight, and fleet use

  • Variants include flat top, sleeper, and Aerodyne sleeper cab


Aftermarket Seating for the Kenworth K100

Upgrading the seat in a Kenworth K100 can dramatically improve comfort—especially given the stiffer ride and limited cabin space of traditional COE trucks.

Fitment Considerations:

  • The K100 typically uses low- to mid-profile seats due to its limited headroom and cab height.

  • Standard bolt patterns were used in most K100 models, but variations exist, especially in custom or rebuilt cabs.

  • Floor contours and seat base height should be carefully measured—older cabover floors may require shims or custom risers to accommodate modern suspension seats.

Recommended Features for K100 Seat Upgrades:

  • Low-profile suspension system

  • Compact or short backrest design

  • Narrow seat width options to fit the confined cab layout

  • Air lumbar and adjustable dampening to reduce fatigue

  • Swivel base (if cab allows) for improved entry/exit


Important Note:
Some K100 restorations may involve updated floors, interior kits, or seat brackets. Always measure and compare the mounting footprint and clearance before purchasing a new seat.

Need help finding the right fit? Seat Specialists offers seating solutions from the top manufacturers and can help match your K100 with a modern seat tailored to your cab’s needs.

  • Bostrom Wide Ride Core High Back, no arms, Black and Grey

    Bostrom Wide Ride Core (choose your options)

    Bostrom Seating

    Your Price: $0.00 - $1,909.00
    Bostrom Wide Ride Core - New Technology, New Style, Smarter than Ever from Bostrom Seating If you are in and out of the cab frequency - The new Wide Ride CORE with Dump and Memory switch may be the right seat for you.  The Wide Ride CORE provides...
    5Ax9xxx
    Your Price: $0.00 - $1,909.00
  • Knoedler Air Chief

    Knoedler Air Chief Seat (choose your options)

    Knoedler Manufacturers

    Your Price: $1,259.00 - $1,939.00
    The Knoedler Air Chief line offers a customizable seat to meet the individual needs of drivers rather than a one seat fits all solution.  All seats come standard with the following features: Upper and Lower Air Adjustable lumbar Color Definition ...
    Air Chief
    Your Price: $1,259.00 - $1,939.00
  • National Seating Admiral in Baltic Blue and Silver Grey Genuine Leather

    National Admiral (choose your options)

    National Seating

    Your Price: $1,427.00 - $2,356.00
    The Admiral is the top of the line seat from National for comfort behind the wheel.   As a step up from the Commodore, the Admiral includes both swivel and heat as well as adjustable damper.  This seat packs a lot of value for the price...
    40049/40079
    Your Price: $1,427.00 - $2,356.00