Legacy variant · S6M4
S6M4-MTKL
This exact configuration isn't sold new in Australia — Australian rules require new marine engines to meet IMO Tier II emissions requirements, and the S6M4-MTKL doesn't carry a Tier II rating. If you're running one, OPS still stocks genuine parts for it and can supply the current Australian Tier II S6M4 equivalent below.
Operation & Maintenance Manual (PDF)S6M4-MTKL — as supplied
Australian Tier II equivalent
The S6M4 is still in our current range. The Tier II variant we sell new in Australia today is:
- S6M4-T2MTK
Just need parts for the S6M4-MTKL itself? Start a parts enquiry →

