Roper’s external gear pumps are commonly found in various stages of the transportation process for recycled or waste oil. They are often utilized at collection points, where they facilitate the transfer of oil from storage tanks or drums into tanker trucks or other transportation vessels. Additionally, external gear pumps are employed at recycling facilities or treatment plants to transfer oil between different processing units or to load it onto larger transport vehicles for further distribution or disposal. Their reliable performance and ability to handle viscous and abrasive fluids make external gear pumps essential components in the transportation of recycled or waste oil.