Machine description: V&K Tests Mar-23, I&P Tests Mar-23, Inspection T-FHWA 9/23, Total Capacity 9400 Gallon, Compartment Sizes 3000/1400/2500//2500, Shape/Style Elliptical, MC Code 406, Bulkheads Single with Double betwee... more info about the 2003 Heil 406AL PETRO TANK.