The 5025 DEF Refractometer from OTC, an SPX brand, is designed to provide a fast and convenient method for evaluating diesel exhaust fluid condition in a matter of minutes. The 5025 refractometer is a ...

Every day, technical support teams at construction equipment manufacturers and dealers get calls from customers covering any number of topics. A common engine-related call involves diesel exhaust ...

The American Petroleum Institute (API) recently issued a bulletin stressing the importance of only using certified diesel exhaust fluid (DEF) for the diesel-powered vehicles that require the fluid.

If you regularly drive a modern-day diesel-powered vehicle, chances are, you know what Diesel Exhaust Fluid (DEF) is. A crucial component used by most modern vehicles with diesel engines, DEF — which ...