Machine description: Cummins Compressed Natural Gas (CNG) Engine, 12542 Engine hrs, Allison Automatic Transmission, 10000 lb Front Axle, 23000 lb Rears, 33000.0 lb GVWR, 11R22.5, 130 in Wheelbase, Dual Controls, Front Spr... more info about the 2007 Sterling ACTERRA.