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Best 15W-40 CI-4+ Heavy Duty Diesel Engine Oil | BHARAT MGEO 15W-40 API CI-4+
SAE 15W-40 | API CI-4+ | Premium Heavy Duty Diesel Engine Oil | Turbocharged Engine Protection | Advanced Technology
BHARAT MGEO 15W-40 API CI-4+ is a premium heavy-duty multigrade diesel engine oil engineered for modern turbocharged and naturally aspirated diesel engines operating under severe service conditions. It delivers outstanding soot handling capability, superior engine cleanliness, excellent wear protection, oxidation resistance and extended engine life for commercial vehicles and industrial equipment.
What is 15W-40 API CI-4+ Diesel Engine Oil?
15W-40 API CI-4+ is a premium heavy-duty diesel engine oil developed for high-performance commercial diesel engines. Compared to CI-4 oils, CI-4+ offers improved soot control, enhanced wear protection, superior oxidation stability and excellent protection during extended drain intervals, making it ideal for turbocharged diesel engines operating under high loads.
BHARAT MGEO 15W-40 API CI-4+ is manufactured using premium quality base oils and advanced additive technology to provide exceptional lubrication under the most demanding operating conditions. It minimizes engine wear, controls piston deposits, maintains engine cleanliness and protects turbochargers while delivering reliable performance in long-haul transportation, mining, agriculture and construction applications.
Recommended for heavy-duty trucks, buses, tractors, construction equipment, mining machinery, diesel generators and modern turbocharged diesel engines requiring SAE 15W-40 API CI-4+ engine oil.
APPLICATIONS
| Vehicle / Equipment | Application |
|---|---|
| Heavy Duty Trucks | Long Haul Transportation |
| Commercial Buses | Fleet Operations |
| Agricultural Tractors | Heavy Farming Applications |
| Construction Equipment | Severe Duty Operation |
| Mining Machinery | Continuous Heavy Load |
| Turbocharged Diesel Engines | Maximum Engine Protection |
| Diesel Generators | Continuous Power Supply |
KEY BENEFITS
WHY TRUST BHARAT LUBRICANTS?
For over 40 years, BHARAT Lubricants has been manufacturing premium automotive and industrial lubricants trusted by fleet operators, transport companies and industries across India. Every heavy-duty engine oil is developed using advanced additive technology to deliver superior reliability, long engine life and outstanding performance under demanding operating conditions.
- ✔ 40+ Years of Lubricant Manufacturing Excellence
- ✔ Advanced Heavy Duty Diesel Technology
- ✔ Superior Engine Cleanliness
- ✔ Extended Drain Performance
- ✔ Trusted by Commercial Fleet Operators
TECHNICAL SPECIFICATIONS
| CHARACTERISTICS | SPECIFICATION |
|---|---|
| SAE Grade | 15W-40 |
| API Performance Level | CI-4+ |
| Engine Type | Heavy Duty Diesel Engine |
| Suitable For | Turbocharged & Naturally Aspirated Diesel Engines |
| Application | Commercial Vehicles & Industrial Equipment |
| Protection | Wear, Soot, Oxidation & Corrosion Protection |
HOW TO USE
- Warm the engine before draining the old engine oil.
- Drain the used oil completely.
- Replace the oil filter if recommended by the engine manufacturer.
- Refill with BHARAT MGEO 15W-40 API CI-4+ according to the recommended oil capacity.
- Check the oil level before starting the engine.
- Follow the recommended oil drain interval for optimum performance.
RELATED PRODUCTS
Availability Across India
Our products are available across India through an extensive network of authorized distributors, lubricant dealers, automotive spare parts retailers, service centers, workshops, industrial suppliers, fleet maintenance facilities, and wholesale partners. With a strong distribution presence in major cities, towns, and industrial Hardware Shops, customers can easily access genuine products for automotive, commercial, agricultural, and industrial applications. For bulk requirements, dealership inquiries, or product availability in your area, customers may also connect directly through our sales and distribution network.
FREQUENTLY ASKED QUESTIONS
Q. What is BHARAT MGEO 15W-40 API CI-4+ used for?
It is designed for heavy-duty diesel engines used in trucks, buses, tractors, mining equipment, construction machinery and diesel generators requiring SAE 15W-40 API CI-4+ engine oil.
Q. What is the advantage of API CI-4+ over CI-4?
API CI-4+ provides improved soot control, enhanced oxidation resistance, better wear protection and superior performance during extended drain intervals compared to standard CI-4 oils.
Q. Is this oil suitable for turbocharged diesel engines?
Yes. It is specially formulated to protect modern turbocharged and naturally aspirated heavy-duty diesel engines operating under severe service conditions.
Q. Can BHARAT MGEO 15W-40 CI-4+ be used in commercial fleets?
Yes. It is ideal for commercial transport fleets, buses, tractors, mining equipment, construction machinery and industrial diesel engines.
Q. What are the main benefits of BHARAT MGEO 15W-40 CI-4+?
It offers outstanding soot control, superior engine cleanliness, exceptional wear protection, extended oil life, turbocharger protection and longer engine durability.
TYPICAL DATA SPECIFICATIONS:
| SR. NO. | CHARACTERISTICS | TEST METHOD | UNIT | TYPICAL VALUE |
|---|---|---|---|---|
| 1 | SAE Grade | SAE J300 | — | 15W-40 |
| 2 | Performance Level | API | — | CI-4+ |
| 3 | Appearance | Visual | — | Clear & Bright |
| 4 | Colour | Visual | — | Amber |
| 5 | Density @ 15°C | ASTM D4052 | g/ml | 0.875 – 0.890 |
| 6 | Kinematic Viscosity @ 40°C | ASTM D445 | cSt | 108 – 122 |
| 7 | Kinematic Viscosity @ 100°C | ASTM D445 | cSt | 14.5 – 15.8 |
| 8 | Viscosity Index | ASTM D2270 | — | Min. 145 |
| 9 | Flash Point (COC) | ASTM D92 | °C | Min. 230 |
| 10 | Pour Point | ASTM D97 | °C | Max. -30 |
| 11 | Total Base Number (TBN) | ASTM D2896 | mg KOH/g | 11.0 – 12.5 |
| 12 | Sulphated Ash | ASTM D874 | wt.% | Max. 1.35 |
| 13 | Copper Corrosion | ASTM D130 | Rating | 1A |
At Bharat Lubricants, we aim to provide fast, secure, and reliable delivery of all orders placed through our online store. Please read our Shipping Policy carefully to understand how shipping, handling, and delivery are managed.
1. ORDER PROCESSING TIME
· All orders are processed within 1–2 business days after payment confirmation.
· Orders placed on weekends or public holidays will be processed on the next business day.
· In case of delays due to high order volume, we will notify you.
2. SHIPPING PARTNERS
We ship through trusted courier partners across India, including:
· Delhivery
· DTDC
· Blue Dart
· Professional Couriers
· India Post (for remote locations)
3. SHIPPING CHARGES
· Shipping charges are calculated at checkout based on weight, location, and courier partner.
· Any promotional “Free Shipping” offers will be mentioned on the website.
4. DELIVERY TIME
Estimated delivery times:
· Metro Cities: 3–5 business days
· Tier 2 & Tier 3 Cities: 4–7 business days
· Remote / Rural Locations: 7–10 business days
Please note: Delivery timelines are estimated, not guaranteed.
5. ORDER TRACKING
· Once your order is shipped, you will receive an email/SMS with the tracking number and courier link.
· Tracking may take up to 24 hours to become active.
6. SHIPPING RESTRICTIONS
· We currently ship only within India.
· Hazardous or restricted items may not be eligible for shipping through certain carriers.
· Large drums or bulk quantities may require special transportation arrangements.
7. DELAYS & RESPONSIBILITY
Bharat Lubricants is not liable for delays caused by:
· Courier or logistics partners
· Weather conditions
· Natural disasters
· Strikes or operational issues
· Incorrect or incomplete shipping address
Once the product is handed over to the courier, risk and responsibility transfer to the customer.
8. DAMAGED OR LOST PACKAGES
If your package arrives damaged:
1. Take photos/videos of the package and product.
2. Contact us within 24 hours of delivery.
3. Do not discard packaging until your claim is processed.
For lost packages, we will assist in raising a claim with the courier.
9. WRONG ADDRESS / FAILED DELIVERY
If an order is returned due to:
· Incorrect address
· No one available to receive
· Phone number unreachable
Reshipping charges will apply.
10. INTERNATIONAL SHIPPING
We currently do not offer international shipping.
11. CONTACT INFORMATION
For any shipping-related questions:
Bharat Lubricants
Hojiwala Industrial Estate, Gate No. 3,
Road No. 20, Surat – 394230, Gujarat, India
info@bharatlubricants.com
+91 75748 47801
