Perkins 115256950 Crankshaft Assembly

The Perkins 115256950 crankshaft assembly is engineered for Perkins 100 and 400 series 3-cylinder diesel engines. Manufactured from forged steel, it features a 90.0 mm stroke, four main bearings, and includes the timing gear. Designed to OEM specifications for direct replacement in Perkins 403C-15, 403D-15, 403D-15T, 403-15, 403A-15, and C1.5 engine variants, as well as Shibaura N843 and N811 equivalents. This component serves as a critical rotating assembly element converting reciprocating piston motion into rotational torque. The crankshaft undergoes precision machining and heat treatment to withstand combustion pressures and cyclic loading in industrial, agricultural, and construction equipment applications. Superseded by Perkins part number T431000. Compatible with Perkins-branded skid steer loaders and compact equipment including 415GM, LS140, LS150, LX465, TC33D, TC33DA, 2030, KZ, and KZP-G15 models.