Combonation, 4n1, four, in, one, 4in1, 4an1. THE CONSTRUCTION OF THIS UNIT WAS SUPER. DAVID HITE, KYLE, TEXAS. UNIVERSAL SKID STEER CONNECTION: Our superior design fits almost all skid steers, loaders, and tractors such as the New Holland, Bobcat Skid Steer, and Kubota tractors.