50175 - Counterbore Tool - Cummins HSK78 Generators NH Click here to access Detroit

Click here to access Detroit Diesel's Service Bulletin to determine which tool you need

Alternative to Cummins OEM 5573356

OEM Alternative to 159-9402

See Monaco Tool #20060-3 Bar Kit - for the included Puller Rod

Tool #50145 is intended for the Cummins Signature 600

50175 - Counterbore Tool - Cummins HSK78 Generators NH Click here to access DetroitIntroducing the Monaco Tool #50175 counterbore tool for heavy duty engines like the Cummins HSK78 QSK78. This is a precision portable machining tool used to restore or repair the cylinder block's top counterbore ledges. The Cummins HSK78 (officially marketed as the HSK78G) is a massive 78 liter, V12 lean burn natural gas engine. Unlike the diesel engines typically found in on highway trucks or heavy equipment, the HSK78G is a stationary powerplant