Cummins K38, K50, QSK38 & QSK50 Engine Operation and Maintenance Manual

This Operation and Maintenance Manual covers Cummins' big K-series engines: the 38 litre V12 K38 and QSK38, and the 50 litre V16 K50 and QSK50.

These engines run generator sets, drilling rigs, mining equipment and boats, where maintenance is planned by engine hours and logged. The manual gives the safety instructions, the maintenance schedule and how to carry out each task, fluid and filter specifications, how to identify the engine from its dataplate, and basic troubleshooting.

What the manual covers

• Safety instructions
• Scheduled maintenance intervals and procedures
• Fluid and filter specifications
• Basic troubleshooting
• Engine identification and dataplate

Compatibility

• Models: K38, K50, QSK38, QSK50
• Engines: K38 / QSK38: 38 L V12. K50 / QSK50: 50 L V16
• Manual type: Operation and maintenance manual

Before you buy

It's written for operators and maintenance planners. It doesn't cover overhaul or major repair.

Your engine's dataplate shows the engine model, the engine serial number (ESN) and the CPL number. Compare those with the models above. If you're not sure, email us the dataplate details and we'll check for you.

File format

Digital download, delivered as a ZIP file. Unzip it before opening. Opens on a computer, tablet or phone.

We're an independent seller and are not affiliated with or endorsed by Cummins. Brand and model names are used only to identify the engines this manual covers.