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Our offices are closed for July 4th. Orders placed online will be processed on Monday 7/7/2025.

Our offices are closed for July 4th. Orders placed online will be processed on Monday 7/7/2025.

Cummins B Series Manuals

We carry a wide selection of Cummins B Series parts catalogs and service manuals. We offer manuals for 4BT 3.9 and 6BT 5.9 diesel engines.

If you need any help, please use our quote request form or call us at 888.687.0539: our knowledgeable inside sales staff will promptly assist you.