engine derate Archives - Truck Drivers USA

Volvo Trucks and Mack Trucks are rolling out updated DEF software that gives drivers more time to repair emissions system issues before engine derates and speed restrictions take effect.

August 17, 2026

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Volvo, Mack Expand DEF Software Updates for Heavy-Duty Trucks

Volvo Trucks North America and Mack Trucks have announced updated diesel exhaust fluid (DEF) inducement software designed to give fleets and drivers more time ...

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Tag: engine derate

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Posts tagged "engine derate"

Call us

(501) 550-6758

Top Freight Types

TDUSA

Learn More