Transmissions | Clutches | Drivetrains, , MACK X107, Transmission, (GOOD USED) MACK X107 TRANSMISSION FOR SALE, 11KBA5936, BP13, 284KB5159, 8W7139, STOCK #2819 TRANSMISSIONS ARE TESTED & INSPECTED! WARRANTY! CALL CA TRUCK PARTS (305)688-1101 FOR MORE INFORMATION!