Legacy variant · S12A2
S12A2-MPTAW
This exact configuration isn't sold new in Australia — Australian rules require new marine engines to meet IMO Tier II emissions requirements, and the S12A2-MPTAW 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 S12A2 equivalent below.
S12A2-MPTAW — as supplied
Propulsion701–776 kW1940–2000 rpm
Diesel-Electric Propulsion709–752 kW1500–1800 rpm
Auxiliary Genset709–828 kW1500–1800 rpm
Australian Tier II equivalent
The S12A2 is still in our current range. The Tier II variants we sell new in Australia today are:
- S12A2-T2MPTK
- S12A2-T2MPTAW2
Just need parts for the S12A2-MPTAW itself? Start a parts enquiry →

