JD Hy-Gard is a multi-purpose tractor transmission and hydraulic fluid (UTTO) designed specifically for John Deere equipment. Unlike standard transmission oils, Hy-Gard serves several functions simultaneously: it lubricates transmissions, differentials, hydraulic systems, and wet-clutch or wet-brake systems.
This makes it ideal for tractors, lawn tractors, and other off-road machinery where a single fluid reservoir serves multiple components.
JD Hy Gard Transmission Fluid
1. John Deere Original Equipment Hy-Gard 1 Gallon Transmission & Hydraulic Oil (#TY22000)
A one-gallon container of the low-viscosity version of Hy-Gard, ideal for topping up or performing a full service on smaller tractors or mowers.
Key Features:
- Low-viscosity formulation for easy flow in cooler climates.
- Multi-purpose: suitable for transmission, differentials, hydraulic systems, and wet brakes/clutches.
- Strong anti-wear and corrosion protection for gears, bearings, and pumps.
- Reduces sludge and water-related issues for older machines or harsh environments.
- Optimized friction properties for smooth clutch engagement and minimal brake chatter.
2. John Deere Original Equipment Hy-Gard 32 oz Transmission & Hydraulic Oil (#TY22035)
A compact 32-ounce bottle, perfect for topping off fluid levels, smaller mowers, garden tractors, or mixed-use applications.
Key Features:
- Low viscosity for responsive hydraulic and transmission performance.
- Multi-purpose coverage for transmission, hydraulic, and wet-brake/clutch systems.
- Anti-wear and anti-corrosion additives protect internal components.
- Maintains proper clutch and brake friction for smooth operation.
- Ideal for frequent topping off or small maintenance tasks.
3. John Deere 2.5 Gallon Hy-Gard Oil (#TY22062)
A larger 2.5-gallon jug for full fluid changes, larger tractors, or multiple maintenance cycles.
Key Features:
- Standard viscosity (ISO 46–68) suitable for most operating conditions.
- Comprehensive wear protection for heavily-loaded gears, bearings, and hydraulic pumps.
- High thermal and pressure stability under heavy loads and high temperatures.
- Proper friction characteristics for wet brakes and clutches.
- Resistant to sludge, foam, and water contamination.
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4. John Deere Original Equipment Hy-Gard 5L Hydraulic & Transmission Oil (#CP1565)
A mid-size bottle (~5 liters) is convenient for metric users or smaller-to-medium size tractors.
Key Features:
- Balanced viscosity suitable for transmission, hydraulic, and wet-brake/clutch systems.
- Anti-wear and anti-corrosion additives for long-lasting protection.
- Maintains smooth clutch engagement and braking performance.
- Stable performance across varying temperatures.
- Versatile compatibility for machines requiring ISO 46–68 UTTO fluids.
5. John Deere Original Equipment Hy-Gard Gallon-Sized Oil (#TY6354)
A standard 1-gallon bottle offering full service and regular maintenance coverage.
Key Features:
- Multi-application for transmission, hydraulics, wet brakes/clutches, and differentials.
- Balanced viscosity (ISO 46–68) for flow, lubrication, and pressure control.
- Effective anti-wear and corrosion protection for internal components.
- Optimized friction for wet brakes and clutches to prevent chatter or slippage.
- Resistant to sludge, foam, oxidation, and water contamination.
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Key Features of Hy-Gard Fluid
- Multi-function (UTTO): Acts as transmission fluid, hydraulic oil, and wet-brake/clutch fluid.
- Wide temperature performance: Maintains stability in both hot and cold conditions.
- High wear and pressure protection: Safeguards gears, bearings, hydraulic pumps, and internal components.
- Thermal stability and oxidation resistance: Reduces sludge and deposit formation.
- Corrosion and moisture resistance: Protects internal parts in outdoor and agricultural conditions.
- Proper frictional properties for wet brakes and clutches: Ensures smooth clutch engagement and reduces brake chatter.
- Longevity: Durable formulation minimizes the frequency of fluid changes.
Because of its versatility and reliability, Hy-Gard is the factory-fill fluid for many John Deere tractors and equipment.
Why Choose Hy-Gard Transmission Fluid?
Hy-Gard stands out for several reasons:
- Simplifies maintenance: Combines multiple functions in one fluid, reducing confusion.
- Factory-fill reliability: Ensures performance consistent with John Deere standards.
- Versatile compatibility: Works across various equipment and brands when specifications match.
- Durability: Reduces maintenance frequency and minimizes downtime.
This makes it a reliable choice for both professional and recreational users of tractors, lawn mowers, and other heavy-duty equipment.
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When and Where to Use Hy-Gard
Hy-Gard is ideal for:
- Tractors, mowers, and agricultural equipment with shared transmission and hydraulic reservoirs.
- Wet-brake or wet-clutch systems require both hydraulic properties and proper friction.
- Variable temperature environments for outdoor and seasonal use.
- Gearboxes, differentials, and hydraulic pumps need a single fluid to handle multiple stresses.
FAQs
What is John Deere Hy-Gard fluid?
John Deere Hy-Gard is a multi-purpose transmission and hydraulic fluid (UTTO) designed for tractors and other equipment. It lubricates transmissions, differentials, hydraulic systems, and wet-brake or wet-clutch systems, providing protection against wear, corrosion, and sludge formation.
What kind of transmission fluid does a John Deere take?
Most John Deere tractors and lawn equipment use Hy-Gard UTTO fluid for transmissions. Some older or specialized equipment may use different John Deere-approved transmission fluids, so always check your equipment manual for the recommended type.
What is compatible with Hy-Gard hydraulic fluid?
Hy-Gard is compatible with systems requiring UTTO (Universal Tractor Transmission Oil) or ISO 46–68 hydraulic fluids. It is generally safe for John Deere and many non-John Deere machines that specify similar multi-purpose hydraulic/transmission fluids.
Is Hy-Gard J20C equivalent?
No, Hy-Gard and J20C are not exactly equivalent. Hy-Gard is a multi-purpose UTTO fluid, while J20C is typically a diesel engine crankcase oil with different additive packages. They serve different purposes and should not be interchanged without verifying manufacturer recommendations.
What is comparable to John Deere Hy-Gard?
Comparable fluids include multi-purpose UTTO or tractor hydraulic/transmission oils from brands such as AGCO, Case IH, Valvoline, or Mobil. The key is matching viscosity (ISO 46–68) and UTTO specifications for wet brakes, clutches, and hydraulic systems.
Is tractor hydraulic fluid and transmission fluid the same?
Not always. While some tractors use a single UTTO fluid for both transmission and hydraulic systems, standard transmission fluid and hydraulic fluid have different additive packages and viscosities. Using the correct multi-purpose fluid like Hy-Gard ensures proper lubrication, pressure, and friction performance.
Final words
JD Hy-Gard is a high-quality, multi-purpose fluid that provides transmission, hydraulic, and wet-brake/clutch performance in a single solution. Its durable formulation protects gears, bearings, hydraulic pumps, and brake systems under heavy load and extreme temperatures, making it an excellent choice for tractors, mowers, and agricultural equipment.
