Diesel Engine Oil
CK-4/E9 15W40
- Category
- Fully synthetic heavy-duty diesel engine oil
- Viscosity
- 15W40
- Specification
- Meets and exceeds:API CK-4/SN, E6/E9/E7-16 228.51/M3477/MTU 3.1/DQC IV-10LAECF-3/VDS 4.5/VDS 4/CES 20081/CES 20086
- Features
- API certification; LOW-SAPS; EGR, SCR, DPF
NISHIMOTO CK-4/E9 15W-40 is a high-performance full synthetic diesel engine oil designed for use in heavy-duty engines operating under severe service conditions and strict emission regulations. Compliant with API CK-4 and ACEA E9 standards, this oil delivers enhanced protection for engines equipped with DPF, EGR, and SCR systems. It provides outstanding wear control, excellent piston cleanliness, and high-temperature oxidation resistance to support long drain intervals and reduced maintenance costs in both on-road and off-road applications.
B2B BUYER GUIDE
Evaluate CK-4/E9 15W-40 for Heavy-Duty Fleets
The current product information presents CK-4/E9 15W40 as a fully synthetic SAE 15W-40 heavy-duty diesel engine oil with stated API CK-4, ACEA E9 and low-SAPS positioning for applications with emissions-control systems.
Fleet selection should also account for the engine generation, aftertreatment system, duty cycle, climate, drain interval and equipment manufacturer's required performance level. Request the current TDS or MSDS before a final application or purchasing decision.
FREQUENTLY ASKED QUESTIONS
Questions from Commercial Buyers
What information is needed to evaluate CK-4/E9 15W40?
Provide the engine or equipment, model year, required viscosity and performance category, aftertreatment system, duty cycle and operating conditions.
Can one SAE 15W-40 oil serve every CK-4 fleet?
No. Confirm the equipment manufacturer's required viscosity, performance category and aftertreatment compatibility for each application.
How can a buyer request current product documents?
Use the TDS or MSDS request links and identify CK-4/E9 15W40 and the document required.