Cummins Engine Barring Tool Need to manually rotate an engine?

• This tool makes the job easy. Just insert the tool into the flywheel housing until it engages the ring gear, then attach a 1/2" square drive ratch-et or breaker bar and turn.
  
• The tool’s load-bearing collar provides friction-free operation while rotating the tool in the housing.
• Works on Cummins B and C series diesel engines and 5.9L liter diesels used in Dodge pickups. No. 7471A – Cummins engine barring tool.