Shell Rimula R4X CI-4 20W50

Shell Rimula R4X CI-4 20W-50 is a heavy-duty diesel engine oil with a SAE 20W-50 viscosity grade and API CI-4 performance rating. It’s formulated with Shell’s Dynamic Protection technology to deliver enhanced protection in key areas — helping control engine wear, deposits/sludge, and acid corrosion, which keeps diesel engines cleaner and more reliable under tough operating conditions. It’s suitable for a wide range of heavy-duty diesel engines (including turbocharged ones) used in trucks, buses, construction equipment, and industrial applications, especially where a thicker 20W-50 oil is preferred.

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Description
Properties Method Shell Rimula R4 X 20W-50
Kinematic Viscosity @100°C mm²/s ASTM D445 18.5
Dynamic Viscosity @-15°C mPa s ASTM D5293 8250
Viscosity Index ASTM D2270 123
Total Base Number mgKOH/g ASTM D2896 10.5
Sulphated Ash % ASTM D874 1.45
Density @15°C kg/l ASTM D4052 0.886
Flash Point (COC) °C ASTM D92 238
Pour Point °C ASTM D97 -33
Additional information
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About SHELL
Shell is a globally recognized energy and lubricant brand providing high-quality fuels, engine oils, and energy solutions. With advanced technology and innovation, Shell helps improve engine performance, efficiency, and protection while supporting reliable mobility and industrial operations worldwide.
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