This part is commonly Used on models:
30109 Tru Trak Sulky, Fixed-Deck Mid-Size Mowers
30604 Groundsmaster 4100 Rotary Mower
30605 Groundsmaster 4000 Rotary Mower
30608 Groundsmaster 4100 Rotary Mower
30609 Groundsmaster 4000 Rotary Mower
30608A Groundsmaster 4100 Rotary Mower
30609A Groundsmaster 4000 Rotary Mower
30605TE Groundsmaster 4000 Rotary Mower