8266-1707687 May 2026

The work described in this paper helped establish the standards for how motor oils are graded for winter use (the "W" in 5W-30, for example). It details how the simulator mimics the resistance an engine experiences when starting in extremely cold temperatures, ensuring that oil remains fluid enough to allow the engine to turn over.

: Cold Cranking Simulator: A New Approach to the Viscometric Characterization of Engine Oils 8266-1707687

The identifier refers to a technical paper published by SAE International (formerly the Society of Automotive Engineers). Paper Details The work described in this paper helped establish