This Rareelectrical starter is a heavy-duty 12V, 4.5 kW Direct-Drive (DD) unit designed for industrial engines in Champion graders, Cummins industrial power units, and Waukesha gas engines. Built to exact Delco specifications—including a 12-tooth clockwise pinion, 46.5mm gear OD, and specific mounting provisions—it ensures a precise fit and reliable cranking power. The unit consolidates numerous OEM part numbers from AC Delco, Cummins, and Delco, offering a straightforward, durable replacement solution for demanding equipment from the 1980s and early 1990s.