US Patent 6997506 Deck for a service vehicle

Vehicle payload in a service vehicle including a vehicle chassis having two spaced frame members (50) with a generally horizontal deck (16) mounted on the frame members for receiving and carrying a load to be transported and which extends to either side of a vehicle centerline (48) and which is provided with a crane (28) located to one side of the centerline is achieved in a lightweight, torsionally resistant deck structure including a horizontal plate (44) together with at least two spaced, elongated box beams (46) supporting the plate (44) which extend longitudinally of the center line (48) together with a plurality of cross members (64) secured to and extending between the box beams (46).