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:
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Manufacturer: Hydro-Gear
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Part Number: 51455
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Part Type: Valve Plate (16A Specification)
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Function: Controls hydraulic oil distribution within hydrostatic pump assembly
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Material: Precision-machined hardened steel
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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:
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ZT-2800 Series
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ZT-3100 Series
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ZT-3400 Series
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ZT-3600 Series
These Hydro-Gear transmission systems are widely used in professional outdoor power equipment manufactured by brands such as:
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Scag
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Ariens
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Gravely
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Hustler
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Exmark
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Toro
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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.
