Lincoln Service Parts 1 › Lincoln Electric 9SM23778-1 TRACTOR INPUT HARNESS M23778-1 Lincoln Electric 9SM23778-1 TRACTOR INPUT HARNESS M23778-1 Sale Price: $278.84 Original Price: $320.67 TRACTOR INPUT HARNESS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! TRACTOR INPUT HARNESS PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1