Engine Oil for Heavy-Duty Diesel Engines

Long-Life API CH-4 Diesel Engine Oil

Multifunctional Diesel Engine Oil

API CH-4 SAE 10W-30 SAE 15W-40 SAE 20W-50

Multigrade Diesel Engine Oil API CH-4, developed for heavy-duty trucks, buses, construction machinery, and industrial diesel equipment. It is designed to provide wear protection, deposit control, and stable lubrication under severe operating conditions.

Wear protection Helps Protect Critical Engine Components
Deposit Control Detergent and Dispersant Performance Support
Thermal stability Developed for demanding diesel engine operating conditions
Viscosity Options Three SAE viscosity grades available

Description of Longli API CH-4 diesel engine oil

API CH-4 diesel engine oil is manufactured from selected base oils and an additive package that provides wear protection, detergency, dispersancy, and oxidation stability for appropriate heavy-duty diesel engines.

The product is available in SAE 10W-30, SAE 15W-40, and SAE 20W-50 viscosity grades and can be supplied for heavy-duty trucks, buses, construction machinery, and industrial diesel equipment requiring API CH-4 performance properties.

The formulation is designed to control sludge and deposit formation while maintaining stable lubrication under high-load and high-temperature conditions. The required API category and viscosity grade must be selected according to the equipment manufacturer's recommendations.

Ningbo MOS Chemical Co., Ltd. manages international B2B sales and export supply. Supported by lubricant production capacities invested by MOSINTER GROUP, we provide wholesale supply, bulk procurement, OEM production, private label packaging, and export documentation services.

Lubricant Distributors and Commercial Buyers Can Review Our Diesel Engine Motor Oil Product Line or Contact us for wholesale API CH-4 supply and OEM cooperation .

API CH-4 Diesel Engine Oil Benefits

  • API CH-4 performance level for appropriate diesel engines
  • Viscosity Grades SAE 10W-30, 15W-40 and 20W-50
  • Wear protection of critical diesel engine components
  • Detergent-dispersant for deposit control
  • Oxidation stability under severe operating conditions
  • Suitable for trucks and construction machinery
  • Wholesale, bulk, OEM, and contract supply

API CH-4 Diesel Engine Oil Applications

Heavy-duty diesel trucks
Buses and Commercial Vehicles
Construction equipment
Industrial Diesel Equipment
Diesel Engine Oil Protection API CH-4 for Heavy-Duty Equipment

Heavy-duty diesel engine protection

Promotes wear protection, deposit control, and stable lubrication for diesel engines operating under high loads, elevated temperatures, and severe service conditions.

Longli Diesel Engine Oil API CH-4 Packaging

Longli Diesel Engine Oil API CH-4, 3.5 L Package
3.5L×6
Longli API CH-4 Diesel Engine Oil, 4 L packaging
4L×6
Longli Diesel Engine Oil API CH-4, 16 L Pail
16L
Longli Diesel Engine Oil API CH-4, 18 L Pail
18L

Frequently asked questions about Longli API CH-4 diesel engine oil

What is API CH-4 diesel engine oil used for?

API CH-4 diesel engine oil is intended for compatible heavy-duty diesel engines used in trucks, buses, construction machinery, and industrial equipment. Always check the required API category in the equipment manufacturer's manual.

What viscosity grades are available?

This product is available in SAE 10W-30, SAE 15W-40, and SAE 20W-50 viscosity grades. The appropriate viscosity should be selected based on engine design, ambient temperature, and equipment manufacturer recommendations.

Can you supply API CH-4 diesel engine oil in bulk?

Yes. Ningbo MOS Chemical Co., Ltd. supports wholesale orders, distributor supplies, bulk lubricant procurement, and international export shipments.

Do you offer OEM and private label manufacturing services?

Yes. Supported by the lubricant production capacities invested by MOSINTER GROUP, we provide OEM manufacturing, private label packaging, label customization, and export documentation support.