ECM Industrial/Power Generation Grade Diesel Engine 1506 C9 for Medium-to-large excavators, mining machinery, drilling rigs, and road construction machinery Product Description: Appliions: In the industrial and construction machinery sectors, the "1506 engine" typically refers to the 1506 diesel engine from the 1500 Series manufactured by Perkins. As Perkins is a brand under Cat, this engine shares the same technical platform as the classic Cat C9 engine making them close