The Compression Test Adapter Crank Assembly is a testing tool to allow controlled turning of internal engine components during diagnostic procedures. It connects to the engine system in a way that permits steady and repeatable rotation required for compression measurement. The assembly provides the operator with improved control while checking cylinder sealing conditions and pressure buildup. During bench testing activities, it allows smooth movement without relying on powered rotation methods.Attributes:• Contributes to stable testing conditions.• Ensures repeatable motion for consistent diagnostics.• Improves consistency of test results during repeated checks.Applications: The Compression Test Adapter Crank Assembly is used during engine diagnostic and bench testing activities where controlled rotation is required for compression checks and component handling.