Diecast Masters 1:50 Kenworth T880S SFFA Tandem Truck w/Pusher Axle Dump Truck

Kenworth Trucks, Inc. is an American-based truck manufacturer. Founded in 1923 as the successor company to Gerlinger Motors, Kenworth specializes in production of heavy-duty (Class 8) and medium-duty (Class 5-7) commercial vehicles. Headquartered in Seattle suburb Kirkland, Washington, Kenworth has been a wholly owned subsidiary of PACCAR since 1945, operating alongside sister company (and marketplace rival) Peterbilt Motors.

Kenworth marked several firsts in truck production; alongside the first truck produced with a standard diesel-fuel engine, the company introduced a raised-roof sleeper cab, and the first heavy-duty truck with an aerodynamically optimized body design. The Kenworth W900 has been produced continuously since 1961, serving as one of the longest production runs of any vehicles in automotive history.

The Kenworth T600 is a model line of conventional-cab trucks that were produced by the American truck manufacturer Kenworth from 1984 to 2007. Distinguished by its aerodynamic sloped hood, the T600 was a Class 8 truck, typically sold in semitractor configuration.

While aerodynamic devices (such as roof fairings) had been introduced on Class 8 trucks in the mid-1970s, the T600 was the first American semitractor designed from the ground up with aerodynamics and fuel economy in mind. Sharing design commonality with the Class 8 W900, the T600 differs from its counterpart largely with its set-back front axle, hood, and lower bodywork (with the Aerocab later adopted by the W900L).

For 2008, the T600 model line was replaced by the T660. While sharing the T600 cab structure, the hood and lower bodywork of the T660 were extensively redesigned.

Introduced in 1987, the Kenworth T800 is a heavy-duty variant of the T600. Produced as both a semitractor and a straight truck, the T800 is distinguished by the T600 in several ways, including its use of round fenders, optional exposed air cleaners, and the use of a grille similar to the W900, the T800 is designed for multiple applications, ranging from severe-service applications, regional and long-haul shipping.