Lincoln Service Parts 1 › Lincoln Electric 9SM23990 TRACTOR FRONT AXLE SHAFT M23990 Lincoln Electric 9SM23990 TRACTOR FRONT AXLE SHAFT M23990 Sale Price: $796.69 Original Price: $916.19 TRACTOR FRONT AXLE SHAFT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! TRACTOR FRONT AXLE SHAFT PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1