Lincoln Service Parts 1 › Lincoln Electric 9SL12085-1 MOTOR GEARBOX W/QUADRATURE TACH L12085-1 Lincoln Electric 9SL12085-1 MOTOR GEARBOX W/QUADRATURE TACH L12085-1 Sale Price: $315.70 Original Price: $363.05 MOTOR GEARBOX W/QUADRATURE TACH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1 Add To Cart Added! MOTOR GEARBOX W/QUADRATURE TACH PURCHASE PRICE SHOWN IS FOR A QUANTITY OF 1