Genuine MTD SHAFT ASM-DRIVE TRACK STEER 918-0169B Replaces 618-0169A 618-0169New OEM MTD replacement part MADE IN THE USA. Shaft asm-drive trac for various: Craftsman, Cub Cadet, MTD, Troy-Bilt, Yard Machines & Yard-Man Snowblowers. _gsrx_vers_856 GS 7.0.20 (856). The item “Genuine MTD SHAFT ASM-DRIVE TRACK STEER 918-0169B Replaces 618-0169A 618-0169″ is in sale since Tuesday,.