The Totalsource 4011584 is a high-quality 12V starter motor designed for reliable engine starting. Featuring a 2.7 kW power output, 10 teeth, and clockwise rotation, this OSGR (Offset Gear Reduction) type starter ensures efficient performance. It is compatible with various Caterpillar, JCB, and Perkins engine models, including Caterpillar 3054C, 3054E, C4.4, JCB 444, 448, and Perkins 1104C, 1104D, 1106C, 1106D series engines. This starter is a direct replacement for multiple OEM part numbers, providing a cost-effective solution for agricultural and construction machinery.