This part is commonly Used on models:
30488 Commercial Walk-Behind Mower, Floating Deck, Split Lever, Hydro Drive with 48in TURBO FORCE Cutting Unit
39488 Commercial Walk-Behind Mower, Floating Deck, Split Lever, Hydro Drive with 48in TURBO FORCE Cutting Unit
30078 Commercial Walk-Behind Mower, Floating Deck, T-Bar, Gear Drive with 48in TURBO FORCE Cutting Unit
39078 Commercial Walk-Behind Mower, Floating Deck, T-Bar, Gear Drive with 48in TURBO FORCE Cutting Unit