Transmissions | Clutches | Drivetrains, , MACK X107, Transmission, (GOOD USED) MACK X107 TRANSMISSION FOR SALE, 11KBA5936, BP1, PART# 284KB5159, TRANSMISSION SERIAL# 7L1106, STOCK #2820 TRANSMISSIONS ARE TESTED & INSPECTED! WARRANTY! CALL CA TRUCK PARTS (305)688-1101 FOR MORE INFORMATION!