Schaeffer 10W-30 Synthetic Plus Diesel Engine Oil. Designed to meet heavy duty diesel trucks hardest engine loads. Provides maximum protection against engine wear and oxidation. SynShield OTR Plus 10W-30 Engine Oil can also be used in low-emission certified diesel engines that are equipped with EGR, older non-EGR containing diesel engines, and off-highway diesel engines.
Improved wear protection 71% less wear than conventional 10W-30 CJ-4 oils.
High thermal and oxidative stability for greater resistance to viscosity thickening and the formation of deposits, sludge and varnish.
Strong soot-busting, deposit-dispersing capability 46% greater soot handling than conventional 10W-30 CJ-4 oils.
Exceeds API Service Categories for heavy-duty-diesel engine oil: CK-4, CJ-4, CI-4, CI-4 Plus and older.
1 US Quart