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Description
04894600 – TANK, HYDRO OVERFLOW 700 ML (OEM Ariens / Gravely)
The 04894600 Hydro Overflow Tank (700 mL) is a genuine OEM Ariens / Gravely reservoir used in the hydrostatic drive system on many Gravely commercial and residential units. This tank serves as the overflow / expansion reservoir for the hydraulic (hydro) system—helping manage fluid expansion, capture overflow, and support clean, consistent hydro operation.
If your current tank is cracked, leaking, discolored/brittle, or contaminated, replacing it helps protect your hydro system and keeps fluid levels easier to monitor.
Product Details
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OEM Part Number: 04894600
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Description: Tank, Hydro Overflow – 700 mL
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Brand: Ariens / Gravely
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Capacity: 700 mL (0.7 L)
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Application: Hydrostatic / hydraulic overflow reservoir (expansion tank)
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Condition: New, Genuine OEM
Why Replace It?
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Stops leaks and prevents hydro fluid loss
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Helps keep the hydro system clean and properly vented
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Restores safe, reliable operation (especially under heat/load)
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OEM fit for correct mounting and hose routing
Where Used / Fits Models
Used in the Hydro Tank / Transaxles sections for various models, including:
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Gravely Pro-QXT Tractor (985910, 985911)
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Compact-Pro 34 / 44 (991144, 991145)
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Pro-Turn series (examples: Pro-Turn 252 / 260 / 260 EFI / 272 / 452 / 460 / 472, Mach One—varies by serial range)
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Pro-Stance series and Pro-Stance Ultra models (varies by serial range)
