Lincoln Service Parts 1 › Lincoln Electric 9SM12550 GEAR BOX MTG PLATE ASBLY M12550 Lincoln Electric 9SM12550 GEAR BOX MTG PLATE ASBLY M12550 Sale Price: $1,093.65 Original Price: $1,257.70 GEAR BOX MTG PLATE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! GEAR BOX MTG PLATE ASBLY PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1