This is a used engine assembly designed for ISU models, compatible with a range of engine series including 4HE1, 4HE2, 4JE1, 4JJ1, 4JG2, 6BG1, 6BD1, 6HK1, 4HK1, 4JB1, and 4JB2. It is a core component suitable for various industrial applications, such as trucks, forklifts, and excavators, providing a practical solution for equipment repair or replacement. Sourced as a used unit, this assembly offers a cost-effective alternative to a new engine. It is ideal for mechanics, fleet managers, or equipment owners looking for a reliable powerplant to restore functionality to their machinery. The part is sold as an assembly, which can simplify the installation process. Available at a competitive price point, this engine represents a value-driven option for getting essential equipment back into operation. Please verify the specific compatibility with your vehicle or machinery model prior to purchase to ensure a proper fit.