A 3 cylinder Perkins crankshaft 115256950 suitable for the 100 and 400 series Perkins engines. This part is available under the Perkins or CMX-UK brand; both of which comes with a manufacturer's warranty. The CMX-UK part is a high quality aftermarket product manufactured to OE specifications solely for us and it's competitively priced. This product does not come with any gears or bearings. You can select which one you would like by clicking the appropriate logo below.