Section 3 Dimensions DIMENSIONS This section is designed to provide enough information to successfully layout chassis in the body planning process. Only typical truck layouts and configurations are shown. Optional equipment may not be depicted. Please contact your local Kenworth dealer if more information is desired. ABBREVIATIONS AND DEFINITIONS Throughout this section, and in other sections as well, abbreviations and specific terminology are used to describe certain characteristics on your vehicle. The charts below list the abbreviated terms used and provide definitions for terminology used. TABLE 3-1. Abbreviations Used TABLE 3-2.
Definitions 3-1 12/11 AF After Frame – Frame rail overhang behind rear axle or measured from the centerline of tandem BOC Back of Cab BOF Bottom of Rail CA Back of cab to centerline of rear axle or centerline of tandems on tandem suspension FS Front suspension height from centerline of axle up to the bottom of the frame rail OAL Overall Vehicle Length SOC Side of Cab RS Rear suspension height from centerline of axle up to the bottom of the frame rail WB Centerline of front axle to centerline of rear axle or centerline of tandems on tandem suspension GAWR The maximum allowable weight each axle assembly is designed to carry, as measured at the tires, there- fore including the weight of the axle assembly itself.
GAWR is established by considering the rating of each of its components (tires, wheels, springs, axle and steering system), and rating the axle on its weakest link. The GAWR assumes that the load is equal on each side. LADEN This is the weight condition of the truck with the front and rear axles loaded to their Gross Axle Weight Rating, GAWR. UNLADEN This is the weight condition of the truck delivered from the PACCAR factory. This is without the following: body, driver, and tools. It does include fluids, but no fuel.