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:
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Class 8 Cabover (COE)
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Known for tight turning radius and maximized trailer length
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Popular in long-haul, urban freight, and fleet use
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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:
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The K100 typically uses low- to mid-profile seats due to its limited headroom and cab height.
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Standard bolt patterns were used in most K100 models, but variations exist, especially in custom or rebuilt cabs.
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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:
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Low-profile suspension system
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Compact or short backrest design
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Narrow seat width options to fit the confined cab layout
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Air lumbar and adjustable dampening to reduce fatigue
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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.
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Bostrom Wide Ride + Serta (choose your options)
Bostrom Seating
Your Price: $0.00 - $2,223.00Bostrom's Wide Ride + Serta redefines premium seating in the trucking industry. Bostrom Seating is redefining seat comfort with the ultimate Wide Ride Plus Serta® Cool ActionTM Gel Memory foam. Ultimate comfort through the...51xxxxxYour Price: $0.00 - $2,223.00 -
Bostrom Wide Ride Core (choose your options)
Bostrom Seating
Your Price: $0.00 - $1,909.00Bostrom 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...5Ax9xxxYour Price: $0.00 - $1,909.00 -
Knoedler Air Chief Seat (choose your options)
Knoedler Manufacturers
Your Price: $1,259.00 - $1,939.00The 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 ChiefYour Price: $1,259.00 - $1,939.00 -
Knoedler Air Chief Tall Back Seat (choose your options)
Knoedler Manufacturers
Your Price: $1,301.00 - $1,939.00Introducing 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 BackYour Price: $1,301.00 - $1,939.00 -
National Admiral (choose your options)
National Seating
Your Price: $1,427.00 - $2,356.00The 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...40049/40079Your Price: $1,427.00 - $2,356.00 -
National Captain Seat (choose your options)
National Seating
Your Price: $743.00 - $942.00National 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).xxxYour Price: $743.00 - $942.00 -
National Commodore Seat (choose your options)
National Seating
Your Price: $1,213.00 - $1,502.00National 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...40050Your Price: $1,213.00 - $1,502.00 -
Prime Seating TC400 Touring Comfort Truck Seat
Prime Seating
Your Price: $975.00 - $1,180.00Prime Seating Introduces the New Touring Comfort 400 Series Air Ride Truck Seat! Updated styling makes this seat a great value with luxury features for a perfect fit! FEATURES & SPECIFICATIONS Dual Lumbar Support & Side Bolster...TC400Your Price: $975.00 - $1,180.00 -
Prime Seating TC600 Series
Prime Seating
Your Price: $1,395.00 - $1,499.00Reserve 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...TC600Your Price: $1,395.00 - $1,499.00 -
Sears Atlas II LE - Heat and Cool (choose your options)
Sears Seating
Your Price: $2,350.00 - $2,609.00Atlas II LE with CVS - Cushion Ventilation System (Heat and Cool) Discover what makes new Atlas II from Sears Seating the “Best in Class” truck seats for today’s heavy duty market. Enhanced Comfort: Atlas II has a back...2D934XXBSNSNYour Price: $2,350.00 - $2,609.00