Perkins 404D-22 Engine Assembly

The Perkins 404D-22 is a 2.216-liter inline four-cylinder naturally aspirated diesel engine from the 400 Series. It features indirect injection, liquid cooling, and a compression ratio of 23.3:1. The engine produces a rated power of 38 kW (51 hp) at 3000 rpm with maximum torque of 142.7 Nm at 1800 rpm. Cylinder bore is 84 mm and piston stroke is 100 mm. The assembly includes cast iron cylinder block, aluminum cylinder head, forged crankshaft, and connecting rods. Total dry weight is 184 kg. Emissions comply with EU Stage IIIA and U.S. EPA Tier 4 Interim standards. Flywheel housing is SAE 4 configuration. The engine is designed for off-highway applications including compact excavators, telehandlers, skid steer loaders, tractors, and generator sets. Common build codes include GN51941U, GN30979, GN65955, GN30918U (long block), and GN83509N. Direct OEM replacements for Caterpillar C2.2, 3024C, and Shibaura N844L engines. Verified fitment on Case-IH Farmall 45/50 series tractors, TYM T433 tractor, and Linde 1216 forklift. Service parts include overhaul kits with pistons, liners, gaskets, bearings, and valve train components.