Mobiltrans HD 50
Mobiltrans HD 50 is part of the Mobiltrans HD Series, a range of extra high-performance lubricants engineered for heavy-duty transmissions, gearboxes and drivetrain systems. These lubricants are designed to meet or exceed the requirements of the Caterpillar TO-4 specification, ensuring reliable performance in severe off-highway environments. The formulation combines high-quality base oils with an advanced additive system to provide consistent protection and performance under demanding operating conditions.
One of the key advantages of Mobiltrans HD 50 is its excellent frictional performance. The lubricant is formulated with balanced static and dynamic friction characteristics, ensuring smooth clutch engagement and effective slippage control. This helps extend clutch life and enhances performance in powershift, manual and automatic transmissions.
Mobiltrans HD 50 also provides outstanding wear protection and load-carrying capability. The advanced additive system protects gears, bearings and drivetrain components from wear under high loads and pressure conditions. This helps extend equipment life, reduce downtime and lower maintenance costs in demanding applications.
Another important benefit is its excellent thermal and oxidation stability. The lubricant resists degradation at high operating temperatures, maintaining consistent performance and protecting components over extended service intervals. It also offers effective foam control and excellent wet brake performance, helping reduce noise and brake chatter.
Mobiltrans HD 50 is recommended for heavy-duty transmissions, final drives, gearboxes and hydraulic systems used in off-highway equipment. It is widely used in industries such as mining, construction, quarrying and agriculture. Its higher viscosity compared to lower grades provides enhanced protection in more heavily loaded applications.
Physical characteristics include SAE 50 viscosity grade with kinematic viscosity of approximately 195 mm²/s at 40°C and 18.0 mm²/s at 100°C. Mobiltrans HD 50 has density of approximately 0.906 kg/L at 15°C, flash point of approximately 240°C and pour point of approximately −15°C. The lubricant delivers excellent load-carrying capability, durability and reliable performance in severe heavy-duty applications.
