Shell Rotella has introduced its own Diesel Exhaust Fluid, designed for on-highway medium- and heavy-duty trucks as well as off-highway construction equipment and trucks. Shell Rotella DEF is a high ...

Shell Rotella diesel exhaust fluid (DEF) is for the selective catalytic reduction systems used in most 2010 and later on-road diesel-powered trucks and Tier 4-F construction equipment. Meeting the ...