Castrol CRB Turbomax CI-4 15W-40
Price range: රු3,450.00 through රු16,700.00
Mineral
Description
Are you looking for an advanced, heavy-duty commercial diesel engine oil to maximize engine life and reduce downtime for your fleet in Sri Lanka? Castrol CRB Turbomax CI-4 15W-40 is a premium multi-grade diesel engine lubricant specifically engineered for high-output, turbocharged commercial vehicles and heavy machinery operating under severe conditions. Powered by Castrol’s specially formulated DuraShield Boosters, Castrol CRB Turbomax CI-4 15W-40 provides up to two times longer engine life compared to standard industry oils by preventing soot agglomeration and creating a protective protective layer over critical moving components.
Why Choose Castrol CRB Turbomax CI-4 15W-40 Commercial Diesel Oil?
Heavy-duty commercial diesel engines generate extreme heat and soot loads during long-haul transport and heavy-load operations. Accumulated soot strips away protective oil films, leading to metal-to-metal contact, abrasive wear, and oil filter blockages. Using original Castrol CRB Turbomax CI-4 15W-40 prevents soot particles from clumping together, ensuring smooth oil flow through gallery passages and maintaining full film strength across high-pressure engine surfaces.
Key Features and Benefits of Castrol CRB Turbomax CI-4 15W-40
- DuraShield Technology Boosters: Actively prevents soot accumulation and forms a durable protective barrier on bearings, cams, and tappets to extend overhaul intervals.
- Superior Soot Handling Capabilities: Disperses fine soot particles efficiently to prevent oil thickening and harmful filter plugging.
- High Thermal & Oxidation Stability: Resists thermal viscosity breakdown under heavy payload hauling in Sri Lanka’s humid tropical weather.
- Piston Deposit Control: Keeps pistons, combustion chambers, and ring grooves free from high-temperature carbon varnish buildup.
- Corrosion and Wear Reduction: Neutralizes harmful combustion acids to protect internal copper-lead bearings from corrosive wear.
Vehicle and Machinery Compatibility in Sri Lanka
This high-performance heavy-duty lubricant is recommended for naturally aspirated, turbocharged, and intercooled diesel engines operating across commercial, agricultural, and industrial sectors in Sri Lanka, including:
- Commercial Trucks & Prime Movers: Tata, Leyland, Isuzu, Mitsubishi Fuso, Hino, and UD Trucks requiring API CI-4/CH-4 heavy-duty lubricant.
- Buses & Coach Fleets: Intercity and passenger transport buses operating under continuous stop-and-go heavy traffic.
- Light Commercial Vehicles (LCVs): Mitsubishi Canter, Isuzu Elf, and Toyota Dyna light duty commercial trucks specifying 15W-40 viscosity.
- Off-Highway & Construction Machinery: Excavators, backhoes, wheel loaders, and tractors (Caterpillar, JCB, Komatsu, Mahindra, Kubota) requiring API CI-4 heavy-duty engine oil.
- Industrial Diesel Generators: Stationary backup generators running continuously under high thermal loads.
Specifications, Approvals, and Performance Ratings
- OEM Product Name: Castrol CRB Turbomax 15W-40 CI-4/E7
- API Service Category: API CI-4 / CH-4 / SL
- ACEA Specification: ACEA E7
- OEM Approvals: Approved by Cummins CES 20078 / 20077, Volvo VDS-3, MB-Approval 228.3, MAN M 3275-1, Mack EO-N, Caterpillar ECF-2.
- Viscosity Rating: SAE 15W-40
How to Perform an Engine Oil Change Correctly
Ensure the vehicle or generator is parked on level ground and the engine is switched off after running briefly to operating temperature. Drain the used oil completely through the oil pan drain plug into a waste collection basin. Replace the heavy-duty oil filter element and lubricate its rubber seal with clean oil. Tighten the drain bolt with a new washer to recommended torque specs. Refill the crankcase with fresh Castrol CRB Turbomax CI-4 15W-40 to the maximum mark on the dipstick. Start the engine, check for leaks around the filter housing, and verify correct oil pressure readout.
Frequently Asked Questions (FAQ)
Q: What is the difference between Castrol CRB Turbomax CI-4 15W-40 and standard diesel engine oils?
A: Castrol CRB Turbomax CI-4 15W-40 features advanced DuraShield Boosters specifically formulated to combat soot buildup and thermal breakdown in modern heavy-duty turbocharged diesel engines, offering up to twice the engine wear protection of standard lubricants.
Q: Can I use Castrol CRB Turbomax CI-4 15W-40 in diesel engines with DPF (Diesel Particulate Filters)?
A: API CI-4 oils are designed for engines without DPF or SCR exhaust aftertreatment systems. For modern Euro 5 or Euro 6 diesel engines equipped with DPF, you should use low-SAPS oils specifying API CK-4 or CJ-4 standards.
Q: What is the recommended oil change interval for Castrol CRB Turbomax CI-4 15W-40 in Sri Lanka?
A: Depending on vehicle duty cycle, fuel quality, and filter specifications, recommended drain intervals range from 10,000 km to 15,000 km for commercial vehicles operating under Sri Lankan severe service conditions.
Q: Is this oil suitable for light diesel cars and SUVs?
A: Yes, Castrol CRB Turbomax CI-4 15W-40 can be used in older diesel SUVs and double cabs (such as Mitsubishi L200, Hilux LN/KDN, Land Cruiser 80/100 series) where 15W-40 API CI-4 or CH-4 viscosity is specified.
100% Genuine Castrol Lubricants at Lubricant.lk
At Lubricant.lk, we guarantee 100% authentic, factory-sealed Castrol lubricants at competitive market rates in Sri Lanka. Purchase your Castrol CRB Turbomax CI-4 15W-40 today to benefit from fast islandwide doorstep delivery with secure online payment options.
For detailed product technical data sheets, visit the Official Castrol Global Website. Explore our full range of heavy-duty diesel engine oils and gear lubricants or contact our technical sales team for fleet assistance!
Additional information
| Weight | N/A |
|---|---|
| Liter | 1L, 5L, 6L |






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