Mtd Oem 918-04566b Transmission Assembly- Single Speed. Oem-original Eq. MfgOEM- ORIGINAL EQUIPMENT MANUFACTURED. TRANSAXLE ASSEMBLY, SINGLE SPEED. PLEASE CHECK YOUR MODEL NUMBER. THIS IS A NON-RETURNABLE PART- PLEASE CHECK YOUR MODEL NUMBER. IF YOU ARE NOT SURE THIS IS THE CORRECT PART, PLEASE SEND US YOUR MODEL NUMBER AND WE WILL CHECK. The item.