PETROCURE FLEX SERIES DIESEL ENGINE OIL 10W30 API CK-4

Available Packs

Description

Petrocure Flex Fully Synthetic Diesel Engine Oil is a high-performance heavy-duty engine oil formulated with advanced synthetic base oils and modern additive technology to meet the latest API CK-4 standards. It provides strong engine protection, improved fuel efficiency, and extended drain performance for modern diesel engines operating under demanding conditions.

Designed to offer excellent resistance to oxidation, wear, and deposit formation, Petrocure Flex ensures reliable performance in high-load commercial vehicles, off-highway equipment, and diesel-powered light trucks. It is compatible with EGR, SCR, and DPF after-treatment systems, making it a suitable choice for low-emission diesel engines that require ultra-low sulfur diesel (ULSD) fuel.

Available API

CK-4

CJ-4

CJ-4/SN

CI-4

CI-4/SL

CI-4 PLUS

Applications

Suitable for heavy-duty diesel engines used in commercial trucks, buses, construction equipment, and agricultural machinery.
Ideal for both on-road and off-road vehicles operating under heavy loads and high-temperature conditions.
Recommended for modern diesel engines equipped with EGR, SCR, and DPF emission control systems.
Compatible with biodiesel blends up to B20 and ultra-low sulfur diesel (ULSD) fuels.
Suitable for mixed-fleet operations, including diesel and gasoline engines requiring CK-4 performance standards.

Features & Benefits

Advanced Engine Protection – Helps protect against wear, deposits, and sludge buildup.
Extended Drain Capability – Offers strong oxidation and thermal stability for longer oil life.
Improved Fuel Efficiency – Low-viscosity formulation helps reduce internal engine friction.
DPF & EGR System Compatibility – Low SAPS technology supports proper function of emission control systems.
Strong Shear Stability – Maintains viscosity and oil performance under demanding operating conditions.
Reliable Cold-Start Performance – Provides quick lubrication in low-temperature environments.
Reduced Oil Consumption – Helps minimize evaporation loss and supports longer service intervals.

Performance Standards

Meets API CK-4, CJ-4, CI-4 Plus, CI-4, and CH-4 performance standards or equivalent specifications.
Compatible with ACEA E9, E7, E6, and E4 performance requirements.
Supports ILSAC GF-5 standards where applicable.
Suitable for engines from major manufacturers including Volvo, Cummins, Caterpillar, Detroit Diesel, Mack, Mercedes-Benz, MAN, Renault, and other heavy-duty engine brands.

Key Properties

Physical Properties
Properties	10W30
API / ACEA Classification	API CK-4, ACEA E9, E7
Appearance	Bright & Clear
Specific Gravity @15°C	0.865
Flash Point °C	228
Pour Point °C	-36
Viscosity @40 °C, cSt	72.5
Viscosity @100 °C, cSt	11.8
Viscosity Index	150
Total Base No, mg KOH/g	10.0
Cold Cranking Viscosity (cP)	6100 @ -25°C
HTHS Viscosity @ 150°C (mPa.s)	3.5