Mitsubishi K4 Series – Parts for 4-cylinder diesel engine and

The Mitsubishi K4 series includes water-cooled 4-cylinder diesel engine used in various machines such as mini tractors, excavators, mowers, and stationary implements. Typical engine within this series include the K4E, K4D, K4F, K4N, and K4M, which deliver power outputs between approximately 25 and 35 hp, depending on the model and engine speed. These engine are found in various models from manufacturers such as Iseki, where they are installed in tractors from the TX, TU, and TS series, as well as in machines from Satoh, Cub Cadet, Mahindra, and Jacobsen. They are also used in Japanese mini excavators and generators.

Besides these types, there is also the K4A, which belongs to the same family by name, but differs technically from later versions. The K4A is mainly found in older machines and has different components, limiting interchangeability. This also applies to the K4B, which also differs from the standard K4 series.

In this category, you'll find parts such as cylinder heads, gasket sets, pistons, valves, and fuel components, suitable for both maintenance and complete overhauls. When choosing parts, always pay close attention to the engine type and specifications, due to the differences between the K4A/B models and the later K4E through K4M variants.