EMPLOYEE WAS ATTEMPTING TO REMOVE A HEAVY FUSING MACHINE WHICH HAD WHEELS FROM A TRAILER. THE MACHINE WAS HOOKED UP TO A WINCH TO ASSIST IN REMOVING THE MACHINE FROM THE TRAILOR. THERE WAS STO CK IN THE WINCH CABLE AND WHEN MACHINE ROLLED OFF TRAILER, THE CABLE TIGHTENED UP. THIS ACTION CAUSED THE EMPLOYEE'S FINGER TO BE CAUGHT AND LACERATED.