Legacy variant · S12U
S12U-MPTK
This exact configuration isn't sold new in Australia — Australian rules require new marine engines to meet IMO Tier II emissions requirements, and the S12U-MPTK doesn't carry a Tier II rating. If you're running one, OPS still stocks genuine parts for it.
S12U-MPTK — as supplied
Propulsion2014–2238 kW1060–1150 rpm
Diesel-Electric Propulsion2090–2685 kW900–1200 rpm
Auxiliary Genset2299–2685 kW900–1200 rpm
No same-model Tier II replacement on file
The S12U doesn't have a Tier II-coded variant in our current data, so we're not going to guess a substitute here. OPS stocks genuine parts for the S12U regardless — get in touch and we'll confirm the right modern alternative with you directly.