This tool is specifically engineered to rotate the engine flywheel, allowing you to securely the engine Replaces Part Number: JDE81-1 JDE81-4 Made from sturdy Metal, this tool is designed to withstand the rigor of engine maintenance Its construction ensures that it can handle the demands of frequent use, providing reliability and stability The intuitively design of the tool allows for easy operate, making it accessible for you Applicable models: Suitable for 4024, 4039, 4045, 4239, 4276, 6359, 6619, 6059, 6068, 6076, 6081, 6090, 6105, 6125 and 6135 engines, 5103, 5203, 5303, 5403, 5045, 5055, 5065, 5075, 5204