MOTIVITY Blade & Spindle Kit — Fits John Deere Z520A Z830A Z840A Z925A Z925M Z930M 54" 60" Decks — M136195 TCA17518

Complete replacement kit from MOTIVITY designed for John Deere Z520A, Z830A, Z840A, Z925A, Z925M and Z930M mowers with 54" and 60" decks (M136195 / TCA17518). The spindle is forged from high-strength steel, measures 6-5/8" in height, features six mounting holes and a 7/8" round shaft, and includes a grease fitting plus all required hardware for straightforward installation. The set also contains precision-balanced medium-lift mower blades, each 19" long and 2-1/2" wide with a 7/8" round center hole to match the spindle shaft and deliver a clean, even cut. This kit is a direct OEM-compatible replacement for part numbers TCA17517, TCA20639, TCA24880, M136195 and TCU30316. Built to restore cutting performance and improve lawn appearance, the components install without modifications — suitable for DIY maintenance or professional use.