diesel-electric Naval Engine

Derivatives / Succeeded by
--	diesel - electric Stork Wartsila 12SW28
--	diesel - electric Paxman 12YJCZ

Used by

0	ST-253 ROV class support ship AO	4
1964	Darshak (1959) class support ship AO	2
1982	Shirase class icebreakers AW	6
1984	Challenger class support ship AO	5
1993	Fennica class icebreakers AW	2
1994	Marjata (1994) class support ship AO	2
2000	Triton class corvette FS	2
2001	Svalbard class icebreakers AW	2
2015	Joint Support Ship class support ship AO	5
2017	Lewis B Puller Class landing ship/platform dock L	0
2018	UT540WP class support ship AO	1
2019	RRS Sir David Attenborough support ship AO	2
2020	Harry deWolf class icebreakers AW	2