Cummins ISB5.9 QSB5.9 Diesel Engine Troubleshooting Service Repair Manual 5.9L 6 Cyl This is in very good condition. Complete with no missing pages. Thanks for looking and good luck!!!!!! The item “Cummins ISB QSB-5.9L Diesel Engine Troubleshooting Service Repair Manual 6 Cyl” is in sale since Thursday, October 26, 2017. This item is in the category “Business & Industrial\Heavy Equipment Parts & Accs\Manuals & Books”. The seller is “manualbasket” and is located in Fairfield, Iowa. This item can be shipped worldwide.