I JUST BOUGHT A BOBCAT 963 98 MODEL AND THE TIRES ON THE LEFT SIDE ARE LOCKED UP. HAS ANY ONE ELSE HAD THIS PROBLEM? EVERY THING ELSE HYDRO WORKS,BUT THE LEFT SIDE WHEN YOU MOVE THE LEFT JOY STICK BACK AND FORTH IT BOGGS DOWN. I DONT KNOW IF IS ELECTRIC,HYDROLIC OR A MOTOR. I FIGURED THAT IF THE CHAIN BROKE THEN THE WHEELS WOULD TURN AT LEAST . THANKS IN ADVANCE