Simplifying manual crankshaft rotation for maintenance and troubleshooting, this engine barring tool allows for precise adjustment of Cummins 3.9L, 8.3L, and B & C series 5.9L and 6.7L diesel engines. It operates with a ½" (12.7 mm) square drive to facilitate tasks such as accessing torque converter bolts or verifying that the engine rotates freely.

Simplifying manual crankshaft rotation for maintenance and troubleshooting, this engine barring tool allows for precise adjustment of Cummins 3.9L, 8.3L, and B & C series 5.9L and 6.7L diesel engines. It operates with a ½" (12.7 mm) square drive to facilitate tasks such as accessing torque converter bolts or verifying that the engine rotates freely.