Which engine is the critical in c-130 aircraft?

The critical engine in a C-130 aircraft is typically considered to be the left outboard engine. In multi-engine aircraft like the C-130, the critical engine is defined as the one whose failure would most adversely affect the aircraft's performance and controllability. If the left outboard engine fails, it can lead to a significant yawing motion to the left, requiring more corrective actions from the pilot to maintain controlled flight.