Rymax Endurox FLD 15W-40 - Synthetic Heavy-Duty Engine Oil
Semi-Synthetic Heavy-Duty Engine Oil | API CK-4 | SN
Rymax Endurox FLD 15W-40 is an Extra High Performance diesel engine oil developed for modern, high output, low emission engines. Meets all relevant Euro IV, V, VI & US 2007 on-highway exhaust emission standards. Offered in a semi-synthetic blend (SAE 15W-40 and SAE 10W-40) and two full synthetic variants, Endurox FLD exceeds API CK-4 service category requirements and meets approval levels of major global OEMs including Volvo, Mack and Cummins. Exceptional TBN retention resists harmful effects of corrosive exhaust gases and extends oil life. Low ash content reduces particulate build-up in Diesel Particulate Filters and extends aftertreatment system lifetime.
Benefits
- ✓ Excellent thermal and oxidation stability
- ✓ Very high Viscosity Index and high resistance against shearing
- ✓ Good protection against bore polishing
- ✓ Great dispersant and detergent properties for clean operation
- ✓ DPF compatible - low ash formulation extends aftertreatment system life
- ✓ Excellent anti-wear, anti-corrosion and anti-foam properties
Typical Properties - SAE 15W-40
| Property | Unit | 15W-40 |
|---|---|---|
| Density at 15°C | kg/m3 | 869 |
| Kinematic Viscosity at 40°C | cSt | 106 |
| Kinematic Viscosity at 100°C | cSt | 14.9 |
| Viscosity Index | - | 146 |
| Pour Point | °C | -36 |
| Flash Point | °C | 220 |
| Total Base Number (TBN) | mg KOH/g | 9.2 |
All values are typical and may vary during production. Reference: LUB002043 Version 4 (17-12-2024).
Specifications & Approvals
Available Sizes
Related Products
Endurox FLD 10W-40 - Full SyntheticFrequently Asked Questions
Is Endurox FLD 15W-40 compatible with Diesel Particulate Filters?
Yes. The low ash formulation minimises particulate build-up in DPFs, reducing regeneration frequency and extending aftertreatment system service life across Euro V and Euro VI compliant engines.
What is the difference between Endurox FLD 15W-40 and Endurox FLD 10W-40?
Endurox FLD 15W-40 is a semi-synthetic formulation suited to mixed fleets and warmer operating environments. The 10W-40 is a full synthetic with a higher Viscosity Index of 163, offering enhanced cold-start performance. Both meet API CK-4/SN with a comprehensive OEM approval portfolio.
Can Endurox FLD 15W-40 be used across both older Euro III and newer Euro VI engines?
Yes. Its semi-synthetic formulation protects older Euro III engines while meeting the aftertreatment compatibility requirements of modern Euro VI units - the ideal single grade for mixed fleet operations.
Is Rymax Endurox FLD 15W-40 available in South Africa?
Yes. Available in 20L and 205L drums with delivery across South Africa. Contact us for bulk pricing.