The Fella 425212 Flange Hub Top is an original equipment manufacturer (OEM) part designed for various Fella SM series mowers. This essential component ensures proper function and durability in agricultural mowing applications, maintaining the integrity of the machine's rotating parts. It is compatible with Fella mower models including SM 280 FZ, SM 320 FZ, SM 320 TL, SM 320 TS, SM 350 TL, SM 350 TS, SM 400 TL, SM 400 TS, SM 470 TL, SM 470 TS, SM 500 TL, SM 500 TS, SM 800 TL, SM 800 TS, SM 800 TL-KC, SM 800 TS-KC, SM 900 TL-KC, SM 900 TS-KC, SM 900 TL-RC, SM 900 TS-RC, SM 900 TL-RC-KC, SM 900 TS-RC-KC, SM 900 TL-RC-KC-S, SM 900 TS-RC-KC-S, SM 900 TL-RC-KC-S-C, SM 900 TS-RC-KC-S-C, SM 900 TL-RC-KC-S-C-S, SM 900 TS-RC-KC-S-C-S, SM 900 TL-RC-KC-S-C-S-C, and SM 900 TS-RC-KC-S-C-S-C.