Heavy Duty Diesel Engine Oil

DOXA Fully Synthetic & Heavy Duty Diesel Engine Oil is designed and formulated to provide improve performance compare to conventional products.

Our Fully Synthetic 5W40, 15W-40 and 10W-30 is a high performance diesel engine oil designed to meet the most severe performance requirements of the latest high output, low emission European and American diesel engines. It is formulated with premium quality base oil and superior additive technology to provide the highest diesel engine performance levels.

All our heavy duty engine oil meets and exceeds CK-4, CJ-4, CI-4 PLUS and all prior categories.