Lincoln Service Parts 1 › Lincoln Electric 9SM12750-13 AUXILIARY TRANSFORMER ASSEMBLY M12750-13 Lincoln Electric 9SM12750-13 AUXILIARY TRANSFORMER ASSEMBLY M12750-13 Sale Price: $2,213.77 Original Price: $2,545.83 AUXILIARY TRANSFORMER ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! AUXILIARY TRANSFORMER ASSEMBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1