How often should the driver/operator check Diesel Exhaust Fluid (DEF) levels?

The appropriate frequency for checking Diesel Exhaust Fluid (DEF) levels is before every use. Maintaining the correct level of DEF is crucial for the proper operation of diesel engines equipped with selective catalytic reduction (SCR) systems. DEF is used to reduce nitrogen oxide emissions, and if the levels are low, it can lead to engine performance issues, increased emissions, and potentially result in the engine going into limp mode, restricting power.

Checking DEF before each use ensures that the operator is aware of the fluid status, allowing for timely refills and preventing disruption of operations. This proactive approach contributes to optimal engine performance and compliance with environmental regulations. Regular checks help avoid running out of DEF unexpectedly, which could impact machinery functionality and productivity.