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Description
136-5409 / 144-3842 Hydraulic Oil Filter – Toro Hydro Filter for GrandStand Mowers
The 136-5409 Hydraulic Oil Filter, also referenced as Toro 144-3842, is a high-quality hydrostatic system filter designed specifically for Toro commercial mower hydraulic systems, including Toro GrandStand models. This filter is engineered to meet OEM performance standards and ensures clean hydraulic oil circulation for consistent, reliable operation.
Hydraulic filters play a critical role in protecting hydro pumps and wheel motors by removing contaminants such as metal particles, debris, and sludge from the hydraulic oil. Using the correct Toro-spec hydro filter helps maintain proper system pressure, smooth drive response, and extended component life in demanding commercial mowing environments.
Product Details
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Part Number: 136-5409
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Alternate / Replaces OEM: Toro 144-3842
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Brand: Toro
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Part Type: Hydraulic Oil Filter / Hydro Filter
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Function: Filters hydraulic oil to protect hydrostatic drive components
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Condition: New replacement part
Compatibility
This hydraulic oil filter is designed for use on Toro GrandStand commercial mowers equipped with hydrostatic drive systems that specify Toro part numbers 136-5409 or 144-3842.
Applications
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Toro GrandStand stand-on mowers
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Toro commercial hydrostatic drive systems
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Lawn and turf equipment requiring OEM Toro hydro filtration
The 136-5409 / 144-3842 Toro Hydraulic Oil Filter provides OEM-equivalent filtration performance and proper fit, making it an essential component for maintaining hydraulic system efficiency, durability, and long-term reliability on Toro GrandStand mowers.

