The LS500 Vertical Gearbox, which features a hydraulic cooler and is equipped with a spiral bevel gear and bearings. It is a robust and efficient design, likely suitable for heavy-duty sand pumping applications. The spiral bevel gear is known for its strength and smooth operation, while bearings play a crucial role in supporting rotating parts and reducing friction.

The addition of a hydraulic cooler indicates an emphasis on managing heat generation, which is important for prolonging the lifespan of the gearbox and ensuring consistent performance under demanding conditions. This feature suggests that the LS500 is engineered for reliability and endurance, which are vital qualities in industrial equipment like sand pumps.

Overall, an impressive piece of machinery, offering both durability and efficiency for handling sand pumping tasks.