For the 2006 model year, all Mitsubishi Fuso standard-cab FE model commercial trucks offer 33.1-inch-wide straight ladder-style frames. Frame rails are made from steel with a 51,200 psi yield strength, and all have an RBM per rail of 415,232 lb-in. Moreover, the rear suspension on the FE145 and FE180 includes a stabilizer bar with shock absorbers to reduce frame twist and to improve truck handling and safety.