MIL-HDBK-134A, MILITARY STANDARDIZATION HANDBOOK: TRUCKS AND TRUCK TRACTORS; TACTICAL (MILITARY) DESIGN CHARACTERISTICS OF (15 OCT 1965)., This standardization handbook is intended to be used in the design of new tactical trucks, truck tractors and the modification of existing tactical vehicles. The purpose of this standardization handbook is for use by anyone associated with tactical vehicle design, whether at a Government agency or at a civilian agency designing or producing trucks for the Government. The over-all philosophy of the standardization handbook is not necessarily to restrict or limit design, but rather to summarize what the Government expects in a tactical truck or truck tractor with respect to the function, materials, manufacturing quality and workmanship, dimensional limits and the special military characteristics of that tactical truck or truck tractor.