THIS IS A OPERATORS MANUAL FOR A HESSTON PT 10. WILL NEED TO KNOW 1966, 1970, 1971, OR 1971 U JOINT DRIVE TO ENSURE THE CORRECT MANUAL FOR YOUR APPLICATION.THESE ARE NEW AND ORIGINAL FROM HESSTON. PICTURE WILL BE ADDED SOON. NEED A MANUAL I DO NOT HAVE LISTED? ASK ME I CAN GET MOST ANY. THANKS FOR LOOKING!!