40' Stock Car CapacitiesStock or feeder cattle (500 pounds) - 46Fattened cattle (750 pounds) - 35Hogs (350 pounds) - 60 per deckFeeder sheep (60 pound) - 150 per deckFattened sheep (90 pounds) - 125 per deck http://www.atsfrr.com/resources/Sandifer/Clinics/Stk/03.htm