Hydro-Gear 51563 Transmission Filter (OEM Hydrostatic Oil Filter) - SPIN ON

The Hydro-Gear 51563 Transmission Filter is a genuine OEM hydrostatic oil filter designed to keep your hydraulic system clean and protected for longer transaxle and pump life. This filter is commonly used on Hydro-Gear transmissions and hydro units found in commercial zero-turn mowers, walk-behind mowers, and other hydraulic drive equipment. Replacing the filter at regular service intervals helps maintain smooth drive performance, proper oil flow, and reliable operation under heavy-use conditions.

Replaces OEM Part Numbers

• Hydro-Gear: 50037, 51577, 51563 (also listed as HG-51563)

• Ferris: 1719168YP, 5022028X1

• Cub Cadet: 751-17566

• Husqvarna: 531307394

• Toro: 1-633750

Fits / Compatible With

This OEM Hydro-Gear filter is used on many Hydro-Gear transmission and hydrostatic drive applications including (but not limited to):

Hydro-Gear Models:
140343, 150073, 163198, 1714699, 1715763, 1718536, 224-3010L, 227-3010L, 228-3010L, 230-3010L, 718-0241, 718-0241A, 718-0241B, 7649 (212-3010L), 7649 (223-3010L)

Common Equipment & Brand Applications:

• Exmark hydro units including Viking, Explorer, Lazer Z, Turf Tracer, Turf Ranger, and Eaton 851 transmissions

• Ferris IS Z Series and ProCut Z models

• Scag Tiger Cub (STC52V-24HN)

• Toro Z100, Z200, Z400, Z500, Mid-Size ProLine, and commercial walk-behind mowers

• Bobcat ZT200 / ZT219 / ZT220D / ZT223 / ZT225 / ZT226EFI / ZT227 / ZT228EFI / ZT231 / ZT233, Procat, and Predator Pro

• Hustler, Cub Cadet, and Husqvarna applications using Hydro-Gear hydro systems

• Also found on select hydraulic systems used in Vermeer, John Deere, GEHL, CASE, Dixon, and more

Features & Benefits

✅ Genuine OEM Hydro-Gear filter for correct fit and filtration performance
✅ Helps protect hydrostatic transmissions and pumps from dirt, debris, and wear particles
✅ Supports proper oil flow for smoother operation and long component life
✅ Ideal for routine hydro service and maintenance intervals
✅ Trusted replacement for multiple OEM brands and cross-reference numbers

Best Use

Perfect for hydrostatic transmission maintenance on commercial and residential equipment where reliable hydraulic performance matters.

Tip: Always verify your machine’s model number, transmission type, and existing filter part number to confirm exact fitment before ordering.