Shell Rotella T1 SAE 40 Diesel Engine Oil 5L | 550054467
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Shell Rotella T1 SAE 40 Diesel Engine Oil — 5L
Part Number: 550054467 (Shell Rotella)
Shell Rotella T1 SAE 40 is a straight-grade heavy-duty engine oil for diesel and mixed-fleet applications where an SAE 40 monograde oil is specified. It meets API CF/SL performance standards and is formulated to protect against wear, deposits, and oil thickening under sustained heavy-duty service. The 5L container suits scheduled oil changes on marine auxiliary engines, generators, industrial engines, and older diesel equipment.
Specifications
- Viscosity grade: SAE 40 (straight-grade / monograde)
- API rating: CF/SL
- Container size: 5L
- Part number: 550054467
Intended Applications
- Older diesel engines specifying SAE 40 monograde oil
- Marine auxiliary engines and generators where a straight-grade oil is required
- Industrial engines and equipment with API CF/SL oil requirements
- Mixed-fleet equipment where SAE 40 monograde is the manufacturer-specified viscosity
Fitment / Application Notice
Always confirm the required oil viscosity grade and API specification in the engine or equipment service manual before use. Do not substitute SAE 40 monograde oil for a multi-grade oil (such as 15W-40) unless the manufacturer explicitly allows the interchange. Modern engines designed for multi-grade oils are not well served by a straight-grade monograde.
Service Interval
Follow the engine or equipment manufacturer’s recommended oil change interval. For marine engines and generators, annual service or service by hours (whichever comes first) is the most common schedule. Always replace the oil filter at each oil change where a filter is fitted.
Oil Change Notes
- Warm the engine before draining to improve oil flow and help suspend contaminants
- Drain fully and allow time for oil to clear before refilling
- Replace the oil filter at each change where one is fitted
- Fill only to the manufacturer’s specified capacity — overfilling can cause foaming and seal damage
- Run the engine briefly after refilling, then shut down and recheck the level
- Dispose of used oil responsibly at an approved recycling facility
Related Products
- Shell Rotella T1 SAE 30 Diesel Engine Oil, 5L — 550054460
- Shell Rotella T4 Triple Protection 15W-40, 9.5L — Case of 2
- Shell Rotella T4 Triple Protection 15W-40, 5L — Case of 3
- Shell Rotella T4 Triple Protection 15W-40, 208.2L (Drum)
- Shell Rotella T4 Triple Protection 15W-40, 946mL — Case of 6
- Shell Rotella T6 Full Synthetic 5W-40, 5L
- Shell Rotella T6 Full Synthetic 5W-40, 18.9L — 550046217
Parts Desk Insights
Rotella T1 SAE 40 is the right choice for older diesel engines — particularly marine auxiliary engines, generators, and industrial equipment — where the manufacturer specifically calls for a straight-grade SAE 40 oil and an API CF/SL rating. It is commonly used during seasonal recommissioning and annual service on legacy diesel installations.
The most common issue is customers ordering a monograde oil when their engine actually requires a multi-grade such as 15W-40. Always check the engine service manual for the viscosity and API specification — the two are not interchangeable. If the manual calls for SAE 40 straight-grade, this is the correct product. If it calls for 15W-40, see the Shell Rotella T4 15W-40 range instead.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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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.
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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.
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