Caterpillar 1430539 Starter Motor Assembly

The Caterpillar 1430539 starter motor is a 12-volt electric starting motor group designed for Perkins 3054 series diesel engines used in Caterpillar backhoe loaders, wheel loaders, skid steer loaders, and telehandlers. The unit delivers a rated output of 2.5 kW with a 10-tooth pinion, clockwise rotation, and an 88.9 mm flange diameter with three mounting bores. Constructed with a steel housing and heavy-duty internal components, the starter meets OEM specifications for cranking torque and thermal endurance in demanding construction and industrial applications. It serves as a direct replacement for Caterpillar OEM part numbers 143-0539, 1430538, 3E7905, 0R4316, 112-1767, 235-4963, 0R4319, 6V0492, 6T7001, and 6T7007. Cross-reference interchange includes Denso 228000-1350, 228000-1351, 228000-1352, and aftermarket references STG93233 and PG-17418.