Broad-Range Synthetic Diesel Engine Oil Pays for Itself with All-Weather Performance, Wear Protection and Fuel Economy
Monolec Ultra® Syn Heavy Duty Engine Oil is a multiviscosity SAE 5W-40 synthetic oil for diesel engines that delivers outstanding year-round performance, fuel efficiency and extended drains. It has been formulated to exceed API’s CK-4 technology standards focusing on engine wear protection, oxidation stability, shear stability, resistance to aeration, and compatibility with low-emission engines. With its synthetic base oil and exclusive additive package, it provides reliable lubrication – even in low temperatures – without the shear stability and viscosity problems of conventional diesel engine oils. Its high viscosity index indicates less change in viscosity over a broad temperature range.
A primary advantage of 5W-40 vs. 15W-40 engine oil is better fuel economy. In a controlled lab setting, GM 6.5L dyno testing showed a 1.5-1.6% fuel economy improvement. In addition, lowviscosity oils achieve flow quickly during cold startups. Most engine wear occurs within the first two to five minutes of starting. However, conventional low-viscosity oils have not always provided adequate oil film at operating temperatures, which resulted in increased wear and made it difficult to obtain OEM approvals. Monolec Ultra Syn eliminates this problem with its ability to flow quickly in cold weather and maintain viscosity at operating temperatures. It also meets all major OEM approvals.
Monolec Ultra® Syn Heavy Duty Engine Oil lubricates parts faster, prevents wear during operation, and decreases fuel consumption – making it the smart choice for fleet managers and owner operators who want better fuel economy and reliable low temperature performance.
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 8854-PL Monolec Ultra® Syn Heavy Duty Engine Oil 8854 List Price QUOTE
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 8854-CSQ Monolec Ultra® Syn Heavy Duty Engine Oil 8854 List Price QUOTE
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 8854-CS2 Monolec Ultra® Syn Heavy Duty Engine Oil 8854 List Price QUOTE
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| Available Container Size | Pail | Drum | 275 gal disposable tank | Case 24 Quarts | Three 2-gal jugs | |||||
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| GHS Statement | For commercial and professional use only | |||||||||
| Beneficial Qualities |
All-Weather Performance
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All-Weather Performance
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All-Weather Performance
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All-Weather Performance
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All-Weather Performance
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| Proprietary Additive |
LE’s proprietary additives are used exclusively in LE lubricants. Monolec Ultra® Syn Heavy Duty Engine Oil contains Monolec. Monolec® wear-reducing additive creates a single molecular lubricating film on metal surfaces, vastly increasing oil film strength without affecting clearances. An invaluable component in LE’s engine oils, industrial oils and many of its other lubricants, Monolec allows opposing surfaces to slide by one another, greatly reducing friction, heat and wear. |
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| Color | Red | |||||||||
| SAE Grade | 5W-40 | |||||||||
| Relative Density @ 60ºF/60ºF, ASTM D1298 | 0.855 | |||||||||
| Viscosity @ 100°C, cSt, ASTM D445 | 15.18 | |||||||||
| Viscosity @ 40°C, cSt, ASTM D445 | 95.19 | |||||||||
| Viscosity Index ASTM D2270 | 165 | |||||||||
| Viscosity-HTHS @ 150ºC, cP, ASTM D4683 | 3.9 | |||||||||
| Viscosity-CCS @ -30ºC, cP, ASTM D5293 | 5,300 | |||||||||
| Viscosity-MRV TP-1 @ -35ºC, cP, ASTM D4684 | 23,500 | |||||||||
| Flash Point °C(°F), (COC), ASTM D92 | 219 (426) | 219(426) | 219(426) | 219(426) | 219(426) | |||||
| Pour Point °C (°F), ASTM D97 | -42 (-43) | |||||||||
| Ash-Sulfated %, ASTM D874 | 1.00 | |||||||||
| Base Number ASTM D2896 | 11 | |||||||||
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