C2.4 Complete Engine Assembly for CAT 305.5E Mini Excavator Cat C2.4 complete engine assembly - the 2.4 litre four-cylinder diesel fitted to the 305.5E2 CR and 305.5E mini excavators. Bore 87 mm, stroke 102.4 mm, 2.4 L / 146 in³; rated 32.9 kW / 44.1 hp at 2,200 rpm net in the 305.5E2 CR. Engine arrangement 457-1444 / 416-6096. Key Features Cat C2.4 complete diesel engine assembly for 305.5E and 305.5E2 CR mini excavators 2.4 litre, four-cylinder, in-line, water-cooled four