API CK-4 10W-40 Diesel Engine Oil
SAE 10W-40 · API CK-4 · Fully synthetic · Long drain

Grade Highlights
- Built for China-VI emission engines — low-SAPS formulation keeps DPF and SCR systems working.
- Extended drain intervals — high-oxidation-stability synthetic base resists soot thickening.
- Fleet-proven 10W-40 viscosity — the workhorse grade for mixed truck and bus fleets.
Typical Data
| Specification | Value |
|---|---|
| Product name | DIIFOR CK-4 Diesel Engine Oil 10W-40 |
| SAE grade | 10W-40 |
| API | CK-4 |
| Base oil type | Fully synthetic |
| Packing | 4 L × 6 / carton |
| Shelf life | 5 years |
Applications
China-VI / Euro 6 heavy and light trucks, buses and construction machinery with DPF/SCR aftertreatment; suitable for mixed-fleet operations.
Packaging & Packing
| Pack | Carton |
|---|---|
| 4 L plastic can | 6 cans |
| 18 L pail / 200 L drum | On request |
MOQ & Samples
MOQ 20 cartons per SKU; trial order negotiable. Samples available — request a sample.
Need Your Own Brand?
Available for OEM & private label — see OEM & Private Label.
Related Products
FAQ
What drain interval can fleets expect? It depends on fuel quality and duty cycle; our technical team sets an interval recommendation per market — ask us with your engine models.
Do you provide CoA and MSDS? Yes, with every batch.
DUNSHUN LUBRICANTS