Diesel Engine Oils
Arranged by series range for precise application matching and equipment efficiency
Diesel Engine Oils Range
Showing 11 products arranged across 3 series tiers
Range Architecture Overview
API CJ-4, CK-4 — 10W-30, 10W-40, 15W-40
API CK-4, CI-4 PLUS — 5W-30, 5W-40, 10W-30, 10W-40, 15W-40, 20W-50
API CI-4+, CJ-4, CI-4/SL — 10W-30, 10W-40, 15W-40, 20W-50
API CI-4, CH-4, CF-4/SJ, SN — 10W-40, 15W-40, 15W-50, SAE 40, SAE 50
FLEX – Advanced Heavy Duty
Synthetic Blend Heavy DutyAdvanced heavy-duty diesel engine oil designed for extended drain intervals, shear stability, and soot control in severe highway and off-road duty.
PETROCURE FLEX SERIES DIESEL ENGINE OIL 10W30 API CK-4
Petrocure Flex Fully Synthetic Diesel Engine Oil is a high-performance heavy-duty engine oil formulated with advanced synthetic ba...
PETROCURE FLEX SERIES DIESEL ENGINE OIL 10W40 API CI-4 PLUS
A premium quality lubricant designed to provide improved high-temperature deposit protection for pistons, more stringent sludge co...
PETROCURE FLEX SERIES DIESEL ENGINE OIL 15W40 API Ck-4
Petrocure Flex 15W40 is an advanced fully synthetic diesel engine oil developed to provide strong engine protection, extended drai...
PETROCURE FLEX SERIES DIESEL ENGINE OIL 20W50 API CI-4
Petrocure Flex 20W50 is a high-performance fully synthetic diesel engine oil developed to provide strong protection, durability, a...
SHIELD Series – Premium Heavy Duty
Heavy Duty SyntheticHeavy-duty diesel engine oil built for turbocharged and naturally aspirated diesel fleets operating under high loads and continuous stress.
PETROCURE SHIELD SERIES DIESEL ENGINE OIL 10W40 API CI-4
A supreme quality engine oil, suitable for mixed fleets use in naturally aspirated, turbo charged diesel engines in trucks and off...
PETROCURE SHIELD SERIES DIESEL ENGINE OIL 15W40 API CI-4/SL
Petrocure Shield 15W40 is a high-performance semi-synthetic (synthetic blend) diesel engine oil developed to provide reliable prot...
PETROCURE SHIELD SERIES DIESEL ENGINE OIL 20W50 API CI-4/SL
Petrocure Shield 20W50 is a high-performance semi-synthetic (synthetic blend) diesel engine oil developed to provide strong engine...
CLASSIC Series – Commercial Fleet
Commercial ConventionalReliable fleet engine lubricant offering robust acid neutralization, wear protection, and carbon deposit control for heavy machinery and commercial haulers.
PETROCURE CLASSIC SERIES DIESEL ENGINE OIL SAE 40 API CH-4/SL
A high grade lubricant developed for high speed, four-stroke engines to meet 1998 exhaust emission standards. Formulated with adva...
PETROCURE CLASSIC SERIES DIESEL ENGINE OIL SAE 50 API CF-4/SJ
A premium quality lubricant designed to provide improved high-temperature deposit protection for pistons, more stringent sludge co...
PETROCURE CLASSIC SERIES DIESEL ENGINE OIL 10W40 API CF-4/SJ
Petrocure Classic SAE 10W40 is a high-quality mineral-based multi-grade engine oil designed for heavy-duty diesel and gasoline eng...
PETROCURE CLASSIC SERIES DIESEL ENGINE OIL 15W40 API CF-4/SJ
Petrocure Classic SAE 15W40 is a high-performance heavy-duty multi-grade engine oil developed to provide strong protection and dur...
Require Custom Blending or Bulk Commercial Supply?
Petrocure provides private label toll blending, IBC totes, 208L drums, and bulk tanker deliveries engineered exactly to your technical specifications.