Castrol Duratec M is a mineral based SAE 40 medium ash gas engine lubricant.
Application
Duratec M is for use in both spark ignition and dual-fuel gas engines. It is formulated for applications where the OEM requires a medium ash product. The detergent/dispersant additive system has been specifically designed to control deposit formation. Duratec M also has improved resistance to oxidation and nitration which ensures a longer oil service life. It also offers excellent corrosion control and TBN retention.
Duratec M is approved by:
Perkins (formerly Dorman)
Guascor
Duratec M meets the requirements of / suitable for use in:
Waukesha (normal coolant temperature installations)