Work Item
ASTM WK96777
Revision of D4485-24 Standard Specification for Performance of Active API Service Category Engine Oils
Rationale
Adding new API Diesel Engine Oil Specification tables TO D4485 to align with timing of EPA 2027 emission standards
Work Item Status
Date Initiated: 10-23-2025
Technical Contact: Shawn Whitacre
Item: 001
Ballot: D02.B0 (25-04)
Status: In Balloting