Emission Regulation Compliance 

Engine model kW/ KS Light Duty Commercial SOLAS USCG RCD EPA Tier Rating EPA Tier 3 Commercial IMO MARPOL Annex VI EN ISO 8665:2017 BSO II Pleasure Use BSO II Commercial Use
    Single Group
A		 Twin Group
A		 Single Group
B		 Twin Group
B
1GM10 9 - - 2 Tier 2 - n/a
2YM15 14 - - 2 Tier 3 n/a
3YM20 21 - - 2 Tier 3 n/a
3YM30AE 29 - - 2 Tier 3 n/a
3JH5E 39 - - 2 Tier 2 - n/a
3JH40 40 Available 2 Tier 3 n/a
4JH5E 53 - - 1 Tier 2 - n/a
4JH4-TE 75 Available - 1 Tier 2 - n/a
4JH4-HTE 110 Available - 1 Tier 2 - n/a -
4JH3-DTE 125 Available - 1 Tier 2 - n/a - -
4JH45 45 Available 2 Tier 3 n/a
4JH57 57 Available 2 Tier 3 n/a
4JH80 80 Available 2 Tier 3 n/a
4JH110 110 Available 2 Tier 3 n/a
4LV150 (Z) 150 Available * 2 Tier 3 n/a
4LV170 (Z) 170 Available * 2 Tier 3 n/a
4LV195 (Z) 195 Available * 2 Tier 3 -
4LV230 (Z) 230 Available * 2 Tier 3 Tier 2
4LV250 (Z) 250 Available * 2 Tier 3 - Tier 2
4LHA-HTP (Z) 160 Available - 1 - - n/a -
4LHA-DTP (Z) 200 Available - 1 - - n/a -
4LHA-STP (Z) 240 Available - 1 - - Tier 2 -
6LPA-STP2 (Z) 315 Available - 1 Tier 2 - Tier 2 -
8LV320 (Z) 320 Available * 2 Tier 3 Tier 2
8LV350 (Z) 350 Available * 2 Tier 3 Tier 2 -
8LV370 (Z) 370 Available * 2 Tier 3 - Tier 2 -
6LY2M-WDT 352 - - - - - Tier 2 - - - - -
6LY2M-WST 400 - - - - - Tier 2 - - - - -
6LY2A-UTP 370 Available - 1 - - Tier 2 - - - -
6LY2A-STP 440 Available - 1 - - Tier 2 - -
6LY400 400 Available 2 Tier 3 Tier 2 -
6LY440 440 Available 2 Tier 3 Tier 2 -
6LF485 485 - - 2 Tier 3 Tier 2 - - - -
6LF530 530 - - 2 Tier 3 Tier 2 - - - -
6LF550 550 - - 2 Tier 3 Tier 2 - - - -
Emission ratings lower than the most current rating (RCD 2 & EPA 3) are considered invalid. Data is for historical purposes only.
*Sterndrive engines (Z) are not SOLAS certified.