Brand New SHV-4036...just arrived and ready to go to work. Super High Volume. Brief Specs: Frame Length 40', Tub Length 36', Width 102", Tub Sides are 1/8" G80, Tub Floor 3/6" AR450, Ridewell RW260 Suspension, Drum Brakes, 49" Axle Spacing, Inner Steel Wheels, Aluminum Outer Wheels, Aero Tarp and (3) work Lights.