PETROCURE FLEX SERIES DIESEL ENGINE OIL 15W40 API Ck-4 - View 1
Flex Series
1 / 5
Flex Series15W40API Ck-4Synthetic

PETROCURE FLEX SERIES DIESEL ENGINE OIL 15W40 API Ck-4

Automotive Lubricants•Diesel Engine Oils

Petrocure Flex 15W40 is an advanced fully synthetic diesel engine oil developed to provide strong engine protection, extended drain performance, and improved fuel efficiency for high-performance diesel engines. Meeting the latest API CK-4 specification, it helps maintain engine cleanliness, reliable wear protection, and compatibility with modern emission control systems in both modern and older diesel engines.

Formulated with high-quality synthetic base oils and advanced additive technology, Petrocure Flex 15W40 offers excellent oxidation stability, shear resistance, and deposit control, supporting long-lasting engine performance under demanding operating conditions. It is suitable for heavy-duty commercial vehicles, construction equipment, agricultural machinery, and industrial applications requiring API CK-4 performance standards.

Available Packaging Options(Commercial & Retail)
1L
4L
5L
18.9L
60L
208L
1000L
Bulk
Direct Factory Supply
Global Export Ready
TDS / MSDS Certified

Product Overview & Applications

Description

Petrocure Flex 15W40 is an advanced fully synthetic diesel engine oil developed to provide strong engine protection, extended drain performance, and improved fuel efficiency for high-performance diesel engines. Meeting the latest API CK-4 specification, it helps maintain engine cleanliness, reliable wear protection, and compatibility with modern emission control systems in both modern and older diesel engines.

Formulated with high-quality synthetic base oils and advanced additive technology, Petrocure Flex 15W40 offers excellent oxidation stability, shear resistance, and deposit control, supporting long-lasting engine performance under demanding operating conditions. It is suitable for heavy-duty commercial vehicles, construction equipment, agricultural machinery, and industrial applications requiring API CK-4 performance standards.

Technical Specifications

Standard laboratory test parameters and typical physical characteristics

10 Verified Properties
Test Property / MethodSpecification Value
API / ACEA ClassificationCK-4
AppearanceBright & Clear
Specific Gravity @15°C0.865
Flash Point °C228
Pour Point °C-30
Viscosity @40 °C, cSt120.15
Viscosity @100 °C, cSt15.35
Viscosity Index134
Total Base No, mg KOH/g9.80
Cold Cranking Viscosity (cP)5900 @ -20°C
* Values represent typical production averages and do not constitute a binding guarantee.
Similar Formulations

Related Products

Explore complementary and related formulations within Diesel Engine Oils

PETROCURE FLEX SERIES DIESEL ENGINE OIL 10W30 API CK-4
Flex Series
10W30API CK-4Synthetic

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...

Packs:1L, 4L, 5L, 18.9L +4
PETROCURE FLEX SERIES DIESEL ENGINE OIL 10W40 API CI-4 PLUS
Flex Series
10W40API CI-4Synthetic

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...

Packs:1L, 4L, 5L, 18.9L +4
PETROCURE FLEX SERIES DIESEL ENGINE OIL 20W50 API CI-4
Flex Series
20W50API CI-4Synthetic

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...

Packs:1L, 4L, 5L, 18.9 L +4
PETROCURE CLASSIC SERIES DIESEL ENGINE OIL SAE 40 API CH-4/SL
Classic Series
SAE 40API CH-4/SLConventional

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...

Packs:1L, 4L, 5L, 18.9L +4

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.