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Agricultural Oils (UTTO/STOU)

Agricultural oils are specialty lubricants specifically designed to meet the demanding conditions of agricultural machinery, such as tractors, harvesters, combines, plows, and other farming equipment. These machines operate in harsh environments where they endure high loads, dusty conditions, varying speeds, and multi-functional systems (engine, hydraulics, and transmission). Therefore, agricultural oils must offer exceptional performance, protection, and versatility, ensuring optimal functionality across different parts of the machinery. These oils help maintain engine efficiency, reduce wear, and extend the lifespan of agricultural equipment.
Agricultural oils are categorized based on their application within the machine, including engine oils, transmission oils, hydraulic oils, and specialty oils like UTTO (Universal Tractor Transmission Oil) and STOU (Super Tractor Oil Universal). The oils must comply with specific standards to meet the requirements of the various systems within agricultural machinery.

Agricultural Oil Categories

1. Engine Oil

Application: Used for lubrication of tractor and agricultural engines, whether they are powered by diesel or gasoline.
Functionality: Provides engine protection against wear, high temperature, and oxidation, ensuring optimal performance even in harsh farming environments.

2. Transmission Oil

Application: Lubricates the gearboxes, transmissions, and differentials of agricultural machinery.
Functionality: Ensures smooth operation and prevents wear, corrosion, and degradation of transmission components under varying operational conditions.

3. Hydraulic Oil

Application: Used to lubricate hydraulic systems such as lifts, implements, and other hydraulic-powered parts of the machinery.
Functionality: Ensures proper functioning of hydraulic components, reducing wear and ensuring smooth and efficient operation of farming equipment.

4. UTTO (Universal Tractor Transmission Oil)

Application: A multifunctional oil used in the transmission, wet brakes, hydraulic systems, and power take-off (PTO) units.
Functionality: UTTO is designed to be an all-in-one lubricant, reducing the need for multiple lubricants and providing versatile performance in different systems of agricultural machinery.

5. STOU (Super Tractor Oil Universal)

Application: A multi-purpose oil used for lubrication of diesel or gasoline engines, transmissions, and hydraulic systems in agricultural machinery.
Functionality: STOU simplifies lubricant management by combining engine oil, transmission oil and hydraulic oil into a single lubricant, providing efficient and cost-effective solutions.

6. Gear Oil

Application: Specifically used for the lubrication of gearboxes, final drives, and differentials in agricultural equipment.
Functionality: Gear oils are designed to withstand high loads and pressures, ensuring the longevity and smooth performance of gears and differentials.

Detailed Breakdown of UTTO (Universal Tractor Transmission Oil)

  • Transmission: Lubricates the tractor’s transmission components to prevent wear and ensure efficient power transmission.
  • Wet Brakes: Provides anti-squawk performance for wet brakes, ensuring smooth operation.
  • Hydraulic Systems: Lubricates hydraulic pumps and components, ensuring optimal functioning and reducing wear.
  • Power Take-Off (PTO) Units: Ensures that the PTO system works efficiently without wear.

Standards & Specifications:
John Deere J20C / J20D, Ford M2C134D, Massey Ferguson CMS M1145 / M1143 / M1135, Case New Holland (CNH) MAT 3525, API GL-4.

Viscosity Grades: SAE 10W-30, ISO VG 46 / 68.
Applications: Suitable for tractors, harvesters, modern and older equipment needing transmission, hydraulic, and brake lubrication.

Detailed Breakdown of STOU (Super Tractor Oil Universal)

  • Diesel/Gasoline Engines: Provides lubrication to the engine, protecting it from wear and maintaining efficiency.
  • Transmission & Gearboxes: Ensures smooth shifting and protects gears from wear and damage.
  • Hydraulic Systems: Lubricates hydraulic components, ensuring smooth operation of lifting systems, implements, and other hydraulic-powered systems.

Standards & Specifications:
API CG-4 / CH-4 / CI-4, API GL-4, ACEA E3/E5, approvals from John Deere, New Holland, Massey Ferguson.

Viscosity Grades: SAE 10W-30, SAE 15W-30, SAE 15W-40.
Applications: Used in tractors, harvesters, combines, and suitable as an all-in-one lubricant for multiple systems.

Comparison Table

Oil Type Application Key Characteristics Viscosity Grades
Engine Oil Tractors, harvesters, and engines (diesel/gasoline) Engine protection, reduces wear, high-temperature stability SAE 15W-40, SAE 10W-30, SAE 20W-50
Transmission Oil Gearboxes, transmissions, and differentials Wear protection, reduces friction and heat SAE 80W-90, SAE 85W-140
Hydraulic Oil Hydraulic systems (lifts, implements, etc.) Optimal performance, reduces wear, prevents pump damage ISO VG 32, ISO VG 46
UTTO Transmission, wet brakes, hydraulic systems, PTO units Multifunctional, reduces lubricant inventory, anti-squawk SAE 10W-30, ISO VG 46/68
STOU Engine, transmission, and hydraulic systems Versatile, multi-purpose, reduces lubricant complexity SAE 10W-30, SAE 15W-30, SAE 15W-40
Gear Oil Gearboxes, final drives, differentials High pressure resistance, smooth operation SAE 80W-90, SAE 85W-140

Key Features of Agricultural Oils

  • Multi-Functionality: Oils like UTTO and STOU cover multiple systems with a single oil.
  • Enhanced Wear Protection: Protects engines, gears, and hydraulics from wear, corrosion, and extreme pressures.
  • High-Temperature Stability: Maintains performance under high operational temperatures.
  • Corrosion Resistance: Protection against rust and corrosion in harsh farming environments.
  • High Load Capacity: Handles heavy loads and stresses, especially in transmissions and hydraulics.

Agricultural oils are crucial for ensuring the optimal performance and longevity of agricultural machinery. By selecting the right oil, farmers can maintain efficiency, reduce costs, and improve productivity. Oils such as UTTO and STOU provide a cost-effective solution by serving multiple functions within a single lubricant, meeting the demanding conditions of farming operations.

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