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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
  • Knoedler Air Chief Tall Back

    Knoedler Air Chief Tall Back Seat (choose your options)

    Knoedler Manufacturers

    Your Price: $1,301.00 - $1,939.00
    Introducing the new Tall Back seat from Knoedler Manufacturers.   The Tall Back seat is part of the Air Chief line.  The main difference is a switch from the mid back with headrest design to the full/tall back style.  All options available...
    Air Chief Tall Back
    Your Price: $1,301.00 - $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
  • National Captain 50764.005

    National Captain Seat (choose your options)

    National Seating

    Your Price: $743.00 - $942.00
    National Captain Seat (50766 low, 50765 mid, 50764 high) is the low cost fleet seat of choice. The Captain series is built using National Seating's top selling truck seat platform which is known for its ergonomic comfort and low cost of ownership...
    5076(4,5,6).xxx
    Your Price: $743.00 - $942.00
  • Commodore in Grey and Black Mordura

    National Commodore Seat (choose your options)

    National Seating

    Your Price: $1,213.00 - $1,502.00
    National Commodore Seat (40050) is the long haul seat of choice.  The Commodore truck seat helps ensure you get maximum uptime by helping to reduce the pain and strain which leads to increased downtime. The Commodore is the first in the National...
    40050
    Your Price: $1,213.00 - $1,502.00
  • Prime 600LGR

    Prime Seating TC600 Series

    Prime Seating

    Your Price: $1,395.00 - $1,499.00
    Reserve while you can!!     Your Dream Seat is now available from “Prime Seating”. “Prime TC600LBK” has all the functions and features you are dreaming about. One of key feature on Prime TC600LBK model is...
    TC600
    Your Price: $1,395.00 - $1,499.00