Shell Rotella T4 Triple Protection 15W-40 Heavy Duty Diesel Engine Oil, 208.2L (Drum)
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Shell Rotella T4 Triple Protection 15W-40 Heavy Duty Diesel Engine Oil — 208.2L Drum
Rotella T4 Triple Protection is a proven conventional heavy duty diesel engine oil trusted across millions of miles of real-world operation. Formulated with a proprietary additive system, it delivers simultaneous protection against wear, deposits, and oil breakdown — keeping diesel engines running reliably through hard work and demanding duty cycles.
The 15W-40 viscosity grade is the industry-standard choice for heavy duty diesel applications, offering strong film strength at operating temperature while still providing adequate cold-start flow. The 208.2L drum format is designed for high-volume users who need a reliable bulk supply on hand.
Key Benefits
- Triple protection against wear, deposits, and oil degradation — proprietary additive chemistry developed specifically for heavy duty diesel engines
- Compatible with modern low-emission engines — formulated to work with diesel particulate filters (DPF) and other emissions control systems
- Proven in older hard-working engines — robust protection for legacy diesel powerplants still in service
- Acid neutralization — controls combustion acids that cause corrosion and sludge
- Thermal stability — resists viscosity breakdown under sustained high-temperature operation
Specifications
- Viscosity: 15W-40
- Volume: 208.2 Litres (drum)
- Base: Conventional
- Application: Heavy duty diesel engines — on-road, off-road, and marine
- SKU: 852-550045148
Verify your engine manufacturer's recommended viscosity grade and API service category before use. Rotella T4 meets API CK-4/SN specifications.
Also available in smaller sizes:
Rotella T4 15W-40, 5L (3-pack) | Rotella T4 15W-40, 18.9L (2-pack) | Rotella T4 15W-40, 9.5L (2-pack) | Rotella T4 15W-40, 946mL (case of 6)
Looking for full synthetic? See the Rotella T6 Full Synthetic 5W-40.
Parts Desk Insights
Best use case: The Rotella T4 208.2L drum is the right buy for marinas, boatyards, commercial fleets, or any operation that performs frequent oil changes on multiple diesel-powered vessels or equipment. The 15W-40 grade is the workhorse spec for naturally aspirated and turbocharged diesel engines operating in moderate to warm climates — if your engines run year-round in cold conditions, consider whether a 5W-40 synthetic like the Rotella T6 is a better fit for cold-start protection. Bulk drum purchasing significantly reduces per-litre cost for high-volume users. Pair with compatible oil filters for a complete service solution.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.