OTC – Heavy Duty Tools

OTC DEF Ad FMjrTab.indd

All diesel-powered vehicles in the U.S. feature a DEF system (diesel exhaust fluid). The purpose of the DEF is to reduce NOx emissions utilizing a management-controlled mist injection of DEF into the exhaust stream. Truckers can’t afford to lose power, harsh environments are the last place to have a failure. Severe weather, traffic and steep mountain grades are snap shoots of possible adverse conditions.

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