HDAX 3100 Ashless Gas Engine Oils are recommended for two-stroke high output, turbocharged and naturally aspirated gas engines requiring an ashless oil. They are
also suitable for selected naturally aspirated fourstroke engines where minimal ash deposits are desired.

HDAX 3100 Ashless Gas Engine Oil SAE 40 is our preferred lubricant for engines manufactured by

• Ajax (SAE 40 or SAE 15W-40)
• Clark-Dresser
• Cooper Bessemer (two-stroke)
• Worthington (two-stroke)

HDAX 3100 Ashless Gas Engine Oil SAE 40 is suitable for engines manufactured by

• Caterpillar G3500 NA series
• Waukesha VR and Intermediate/Clinton series (four-stroke)
• Fairbanks-Morse/MEP (two-stroke)