Description
The Hydro-Gear 72881 Transaxle Oil Service Kit is a genuine OEM maintenance kit designed to service Hydro-Gear ZT-4400 through ZT-5400 transaxles. This complete kit provides the correct oil, filters, and sealing O-rings needed for proper hydrostatic transmission maintenance—helping extend transaxle life, improve performance, and protect internal components under heavy-use conditions.
Replaces OEM Part Numbers:
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Hydro-Gear: 72881
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Cub Cadet: HG-72881
Kit Includes
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(10) Quarts Genuine Hydro-Gear Commercial Transaxle Oil
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(2) Genuine Hydro-Gear Commercial Oil Filters
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Filter Cover O-Rings (for proper sealing and leak prevention)
Fits Hydro-Gear Transaxle Models
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ZT-4400
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ZT-5400
Why This Kit Matters
Using the correct OEM-approved oil and filters helps keep the hydraulic system clean and properly lubricated, reducing wear and heat buildup while maintaining smooth and consistent drive operation.
Common Applications
Commonly used on commercial and residential zero-turn mowers from brands such as:
Scag, Hustler, Toro, Exmark, Ferris, Cub Cadet, and more.
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