Paccar, Cummins Roll Out DEF Derate Software Updates

Paccar, Cummins roll out DEF derate software updates

Cummins and Paccar are rolling out software updates tied to revised EPA guidance on DEF inducement. The changes aim to improve uptime and maintain missions compliance.

Paccar Updates MX-11 and MX-13 Engine Software to Enhance Customer Operations

Kenworth Truck Company and Peterbilt Motors Company will update software for vehicles equipped with Paccar MX-11 and Paccar MX-13 engines to ensure they comply with EPA guidance on diesel exhaust fluid inducements.

Cummins, Paccar Ease DEF Derates After EPA Guidance

Cummins and Paccar update diesel engine software, extending the time for truck operators to fix emissions issues while ensuring compliance with EPA standards.

Paccar updates MX engine software to reduce DEF-related downtime

The updated software raises the final DEF inducement speed limit and gives fleets more time to repair emissions system faults.