Minimize maintenance and repair downtime with Cummins service manuals from Diesel Parts Direct. The proper operation of your 6BT and 4BT diesel engines is too important to trust unauthorized materials downloaded from the internet. We stock a range of guides that cover 3.9 Liter and 5.9 Liter (12 valve) Cummins engines to help service engines quickly and get them online fast. And regardless of whether you need materials for Pre-1991 or Post-1991 Cummins engines, we have both ready to ship.
Proper documentation for your Cummins fleet is critical for effective management, and Diesel Parts Direct has the information you need. In addition to 6BT and 4BT repair manuals, we also carry Cummins operator manuals to ensure that engine use is consistent with the manufacturer’s recommendations and preserve the warranty.
Get your staff the Cummins 3.9 L and 5.9 L documentation they need from Diesel Parts Direct.
