This engine barring tool is commonly used on Kenworth T880 and Peterbuilt (1/2" Drive). Fits for PACCAR MX, for PACCAR MX PMCI-2, for PACCAR MX-13 PCI, MX-11 and for PACCAR MX-13. Barring Flywheel Cranking Turning Tool makes the job easy, not need to manually rotate an engine.