×
Description
51455 – Hydro-Gear Valve Plate (16A) (Genuine OEM Part)
The Hydro-Gear 51455 Valve Plate (16A) is a genuine OEM internal hydraulic component engineered for precise fluid control within Hydro-Gear hydrostatic pumps and transaxles. This precision-machined valve plate regulates hydraulic oil flow between the pump cylinder block and motor assembly, ensuring smooth directional control, consistent drive power, and optimal transmission efficiency.
Manufactured to Hydro-Gear’s exact OEM tolerances, the 51455 valve plate provides accurate port timing and sealing surfaces critical for maintaining hydraulic pressure and long-term transmission durability. Using a genuine Hydro-Gear valve plate ensures correct fitment, proper oil channel alignment, and reliable operation in demanding commercial mowing applications.
Key Details:
-
Manufacturer: Hydro-Gear
-
Part Number: 51455
-
Part Type: Valve Plate (16A Specification)
-
Function: Controls hydraulic oil distribution within hydrostatic pump assembly
-
Material: Precision-machined hardened steel
-
Installation: Direct OEM internal replacement component
Compatibility:
The Hydro-Gear 51455 Valve Plate (16A) is used in select Hydro-Gear hydrostatic transmission systems commonly installed in commercial and heavy-duty zero-turn mowers.
Typically found in certain Hydro-Gear pump and transaxle series, including:
-
ZT-2800 Series
-
ZT-3100 Series
-
ZT-3400 Series
-
ZT-3600 Series
These Hydro-Gear transmission systems are widely used in professional outdoor power equipment manufactured by brands such as:
-
Scag
-
Ariens
-
Gravely
-
Hustler
-
Exmark
-
Toro
-
Bad Boy
The genuine Hydro-Gear 51455 valve plate plays a critical role in maintaining smooth hydrostatic drive response, consistent torque output, and long service life of Hydro-Gear transmission systems in commercial turf equipment.
