Keep your B-Series engines functioning to manufacturer’s specifications with Cummins service manuals from Diesel Parts Direct. Prevent staff from relying on memory when servicing QSB and ISB engines by providing service manuals, wiring diagrams and troubleshooting manuals to eliminate any guesswork. From engine identification to fuel system maintenance, we have service manuals covering diesel engines like the QSB 6.7, ISB 5.9, QSB 4.5 and more.
Maintenance of Cummins QSB and ISB engines can get time consuming, but you can speed work with service manuals from Diesel Parts Direct. Offering clear, concise information these guides help technicians identify and install parts quickly. From the installation of an oil filter on a QSB 4.5 to the proper lubrication points on an ISB 5.9, these manuals provide time-saving instruction.
Get the Cummins service manuals your team needs to keep your fleet running from Diesel Parts Direct.