K31

K31 refers to a class of modern diesel-hydraulic locomotives built by Progress Rail, a Caterpillar company. These locomotives are designed for a variety of heavy-duty industrial and switching applications. They are known for their robust construction and powerful diesel engines, which are typically Caterpillar-manufactured. The K31 model signifies a specific configuration within this locomotive class, often featuring a higher horsepower rating compared to other Progress Rail industrial offerings.

These locomotives are commonly employed in environments such as large industrial complexes, mining operations, and major railway yards where substantial hauling and shunting capabilities are required. Their diesel-hydraulic transmission system provides smooth acceleration and excellent tractive effort, making them suitable for moving heavy loads. Progress Rail emphasizes the reliability and fuel efficiency of the K31, aiming to provide an economical and dependable solution for demanding industrial rail operations. The design often incorporates modern control systems for improved operational efficiency and safety.