Caterpillar, once a leader in the heavy-duty truck engine market, made the difficult decision to stop producing on-highway truck engines in 2008. Despite a long history of producing reliable engines ...

CAT continued to innovate on the truck engine front throughout ensuing decades, delivering the beloved 3300 and 3400 builds to truckers in the '70s, and the more fuel-efficient 3406 and 3408 ...

Jim and Leesa Loggains of Carthage, Mo., purchased their 1994 Kenworth W900L new, and Jim considers it a hobby to take good care of it. With a Caterpillar 3406E, a 15-speed transmission and 3.55 ...

The truck still has its original 3406 Cat engine and 9-speed transmission. This 1979 A-Model Kenworth is owned by Fikes Truck Lines and was restored in 2008 by the Chrome Shop Mafia in Joplin, ...