| Product Code | Package Size | Unit of Measure |
|---|---|---|
| ATHQT-EA | Quart Bottle | Each |
| ATHQT-CA | Quart Bottle | Case of 12 |
| ATH05-EA | 5 Gallon Pail | Each |
| ATH55-EA | 55 Gallon Drum | Each |
| ATH27-EA | 275 Gallon Tote | Each |
AMSOIL 5W-30 100% Synthetic Tractor Hydraulic/Transmission Oil is a true all-weather Universal Tractor Transmission Oil (UTTO) built to handle every system on your tractor from a single fill point. It replaces seasonal fluids with one synthetic formulation that protects transmissions, hydraulics, wet brakes, final drives and PTO systems in farm tractors, forklifts, Bobcat skid steers, Kubota equipment, John Deere tractors and a wide range of commercial machinery.
Modern tractor hydraulic/transmission systems are asked to do a lot. One fluid has to lubricate gears under heavy load, maintain precise hydraulic response under varying temperatures, keep wet brakes from chattering and protect seals across the entire machine. Conventional UTTOs often thin out in summer heat and thicken in cold weather, forcing operators to swap fluids seasonally or accept compromised performance at temperature extremes. That fluid degradation also accelerates wear in pumps, valves and clutch packs.
ALL-WEATHER PROTECTION DOWN TO -58°F
AMSOIL Synthetic Tractor Hydraulic/Transmission Oil flows at temperatures as low as -50°C (-58°F), with a pour point of -50°C per ASTM D97 testing and a Brookfield viscosity at -40°C (ASTM D2983) of 18,797 cP. At the same time, a viscosity index of 171 (ASTM D2270) keeps the oil from thinning excessively at high operating temperatures, maintaining a kinematic viscosity of 10.1 cSt at 100°C (ASTM D445). This wide operating range means a single product covers the all-weather requirements of both Case New Holland MAT 3525 and MAT 3526 (formerly Ford New Holland FNHA-2-C-200 and 2-C-201) and John Deere J20C and J20D specifications. No more swapping fluids between seasons.
CONTROLS WET-BRAKE CHATTER
Wet-brake chatter is one of the most common complaints from tractor operators, and it almost always comes down to the fluid. As conventional oils age, their friction modifiers deplete, and the resulting stick-slip behavior creates vibration and noise through the brake pedal. AMSOIL Synthetic Tractor Hydraulic/Transmission Oil uses durable friction-modifier additives engineered to maintain consistent frictional stability over long service intervals. That means correct, decisive multi-disc clutch engagement and smooth brake operation throughout the life of the fluid, not just the first few hundred hours.
REDUCES WEAR IN PUMPS, VALVES AND GEARS
Hydraulic pumps and transmission gears operate under constant pressure and load. The Four-Ball Wear Test (ASTM D4172, 40 kg, 75°C, 1200 rpm, 1 hr) produced a wear scar of just 0.37 mm, reflecting the strong anti-wear film this synthetic formulation maintains on metal surfaces. That level of protection extends the service life of pumps, valves and gear sets, particularly in equipment that sees high duty cycles like farm tractors running loaders, forklifts handling heavy pallets or Bobcat compact equipment working in demanding conditions.
RESISTS THERMAL BREAKDOWN AND OXIDATION
High operating temperatures in hydraulic systems accelerate oil oxidation, producing sludge and varnish that clog filters and restrict flow. The result is spongy, unresponsive hydraulics and shortened component life. AMSOIL Synthetic Tractor Hydraulic/Transmission Oil is formulated with oxidation inhibitors that resist thermal degradation, keeping the fluid cleaner longer. Anti-foam additives also promote rapid air release, which reduces heat generation from cavitation and helps maintain crisp hydraulic response under load. The flash point of 230°C (446°F) per ASTM D92 confirms strong thermal stability.
PROTECTS SEALS AND HOSES
Seal leaks and blown hoses mean downtime in the field, and they often trace back to fluid incompatibility or degradation. This formulation includes seal and hose conditioners that maintain elastomer flexibility and promote positive seal seating. It is compatible with most seal materials used in tractor hydraulic and transmission systems.
SPECIFICATIONS AND COMPATIBILITY
AMSOIL Synthetic Tractor Hydraulic/Transmission Oil is recommended for applications requiring any of the following specifications: John Deere J20C, J20D, J14A/B/C, JDT303, J20A/B, J121A. Case New Holland MAT 3505, MAT 3506, MAT 3509, MAT 3510, MAT 3525, MAT 3526. Massey-Ferguson M-1141 (Permatran 821 XL), M-1110, M-1127A/B, M-1135, M-1138, M-1139, M-1143, M-1145. AGCO PowerFluid PF-821 XL. Caterpillar TO-2. Allison C2, C3, C4. API GL-4. Kubota UDT/M80B, UDT2. Bobcat Hydraulic Fluid and Hydrostatic Fluid. ZF TE-ML 03E, 05F, 06K, 17E. Parker Denison HF-0, HF-1, HF-2. Volvo VCE 1273.03. And many more listed in the full specification chart. It is compatible with conventional tractor hydraulic/transmission oils for straightforward changeover.
SERVICE LIFE
AMSOIL Synthetic Tractor Hydraulic/Transmission Oil is recommended for extended drain intervals based on oil analysis. Its resistance to oxidation and thermal breakdown supports longer service life than conventional UTTOs, reducing both fluid costs and maintenance downtime. Consult your owner's manual for baseline interval recommendations, then use oil analysis to safely extend drains.
| Property | Value | Test Method |
|---|---|---|
| SAE Viscosity | 5W-30 | |
| Kinematic Viscosity @ 100°C, cSt | 10.1 | ASTM D445 |
| Kinematic Viscosity @ 40°C, cSt | 55.4 | ASTM D445 |
| Viscosity Index | 171 | ASTM D2270 |
| Flash Point, °C (°F) | 230 (446) | ASTM D92 |
| Fire Point, °C (°F) | 246 (475) | ASTM D92 |
| Pour Point, °C (°F) | -50 (-58) | ASTM D97 |
| Four-Ball Wear Test (40 kg, 75°C, 1200 rpm, 1 hr), Scar, mm | 0.37 | ASTM D4172 |
| Cold-Crank Simulator @ -30°C | 4772 | ASTM D5293 |
| Brookfield Viscosity @ -40°C | 18,797 | ASTM D2983 |
What equipment is AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil designed for?
AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil (ATHQT-EA) is a Universal Tractor Transmission Oil (UTTO) engineered for heavy-duty, hydraulic-powered farm and commercial equipment. It is recommended for equipment combinations of transmissions, hydraulic systems, final drives, power take-off systems, and wet brakes. Specific applications include farm tractors and equipment, fork lift trucks, off-road equipment, lawn tractor hydrostatic transmissions, golf course mower hydrostatic systems, and some 4x4 ATV models with wet-brake differentials.
How does AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil protect against wet brake chatter?
AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil is formulated with durable, stable friction-modifier additives that effectively suppress wet-brake chatter. Unlike lower-quality oils that can break down and cause vibration, these friction modifiers provide continuous frictional stability for long-term smooth brake operation. The formulation also ensures correct and decisive multi-disc/clutch operation, contributing to extended oil and equipment life.
What specifications does AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil meet?
AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil meets a wide range of OEM specifications including Case New Holland MAT 3525 and MAT 3526 (formerly Ford New Holland FNHA-2-C-200 and 2-C-201), John Deere J20C and J20D, API GL-4, Allison C2/C3/C4, and multiple AGCO/Deutz-Allis specifications. It also covers Bobcat Hydraulic Fluid and Hydrostatic Fluid specs, making it a true universal tractor transmission oil that can consolidate inventory and reduce the risk of misapplication.
How does AMSOIL Synthetic Tractor Hydraulic/Transmission Oil compare to conventional tractor hydraulic fluids like Travelers or Harvest King?
AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil is formulated with 100% synthetic base stocks and advanced additives that outperform conventional tractor fluids. Its synthetic formulation provides superior resistance to oil degradation at high temperatures, flows at temperatures down to -58°F (-50°C), and delivers longer-lasting friction stability. Verified users have reported noticeably less hydrostatic transmission whine compared to premium conventional tractor hydraulic fluids from farm stores, along with smoother overall operation.
Can I run AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil for extended drain intervals?
Yes, AMSOIL Synthetic Tractor Hydraulic/Transmission Oil is recommended for extended oil drains based on oil analysis. Its oxidation inhibitors provide excellent resistance to oil degradation at high temperatures, which extends both lubricant and equipment service life. To determine the optimal drain interval for your specific equipment and operating conditions, AMSOIL recommends using oil analysis to monitor fluid condition over time.
Is AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil safe for seals and hoses in older tractors?
Yes, AMSOIL 5W-30 Synthetic Tractor Hydraulic/Transmission Oil is formulated with seal and hose conditioners that are compatible with all seal materials. These conditioners maintain seal and hose flexibility, promote positive seal seating, and help reduce oil leaking. The formulation also helps extend seal and hose life and reduce the risk of blown hoses, making it a safe choice for both older and newer equipment.