Cummins Isx Flywheel Housing Torque Specs

Torque all bolts to the final specification (77 ft-lb for M12).

For standard Cummins ISX/QSX15 engines, the final torque values are: 105 N·m [77 ft-lb] M10 Bolts: 49 N·m [36 ft-lb] 2. The Torque Sequence

The following values are standard for the ISX housing-to-block connection: 74 ft-lb (100 N·m) Stage 2 (Final): 145 ft-lb (197 N·m) Transmission to Housing Bolts: 50–58 ft-lb Alternate Specs by Bolt Size: Some manuals list M10 bolts at 36 ft-lb (49 N·m) and M12 bolts at 63 ft-lb (85 N·m) Cummins ISX Bellhousing & Flywheel Torque Specs - Q&A

For the most accurate data for your specific engine, you can use the Cummins QuickServe Online portal with your Engine Serial Number (ESN). Rear structure bolt torque spec for 2016 Prostar ISX15?