Engines · Marine diesel engines

Yanmar marine diesel engines

EPA certification records list 323 marine diesel engine families from Yanmar, model years 2005–2026. Rated power ranges from 10 to 1,840 kW, median 81 kW. Turbocharged engines make up 59% of families. The most families were certified in 2011 (26).

Engine families323
Engine models44
Model years2005–2026
Power range10–1840 kWmedian 81 kW
Rank in category#5of 33 makers by families

Power distribution

Number of engine families by rated power.

0–19 kW44
19–37 kW38
37–56 kW40
56–75 kW16
75–130 kW17
130–225 kW46
225–450 kW65
450–560 kW10
560–1000 kW18
1000+ kW2

Families certified per year

20051
20066
20076
200813
200919
201017
201126
201218
201311
201410
201516
201616
201714
201816
201917
202018
202118
202218
202317
202416
202516
202614

Technical mix

Fuel
Distillate Diesel Fuel187Distillate Diesel [1065.703(b)]56Distillate Diesel [94.108(a)(1)]41Diesel (Part89, Sub D,appdx A, Table 4)18Distillate Diesel [ISO 8217, DM-Grade]10Distillate5
Aspiration
Turbocharged189Naturally aspirated66Naturally Aspirated45Turbo Air to Water (TAW)21
Configuration
4 Stroke Compression Ignition1874 Stroke134
Cylinders
2 cyl183 cyl604 cyl1186 cyl928 cyl31

Most certified engine models

Co., Ltd. 201125Power Technology Co., Ltd. 202218Power Technology Co., Ltd. 202118Power Technology Co., Ltd. 202018Power Technology Co., Ltd. 201917Power Technology Co., Ltd. 202317Power Technology Co., Ltd. 202516Power Technology Co., Ltd. 202416Power Technology Co., Ltd. 201816Power Technology Co., Ltd. 201616Co., Ltd. 201016Power Technology Co., Ltd. 202614

Engine families — latest 150

FamilyModelYearPowerFuel
TYDXN.570P2NPower Technology Co., Ltd. 2026202610 kWDistillate Diesel Fuel
TYDXN.854P3NPower Technology Co., Ltd. 2026202615 kWDistillate Diesel Fuel
TYDXN01.3P3NPower Technology Co., Ltd. 2026202621 kWDistillate Diesel Fuel
TYDXN02.0D4CPower Technology Co., Ltd. 2026202681 kWDistillate Diesel Fuel
TYDXN02.0E4CPower Technology Co., Ltd. 2026202660 kWDistillate Diesel Fuel
TYDXN02.2D4CPower Technology Co., Ltd. 2026202640 kWDistillate Diesel Fuel
TYDXN02.2E4NPower Technology Co., Ltd. 2026202633 kWDistillate Diesel Fuel
TYDXN02.8D4CPower Technology Co., Ltd. 20262026178 kWDistillate Diesel Fuel
TYDXN02.8D4HPower Technology Co., Ltd. 20262026193 kWDistillate Diesel Fuel
TYDXN02.8E4CPower Technology Co., Ltd. 20262026143 kWDistillate Diesel Fuel
TYDXN02.8E4HPower Technology Co., Ltd. 20262026143 kWDistillate Diesel Fuel
TYDXN03.3S4TPower Technology Co., Ltd. 2026202651 kWDistillate Diesel Fuel
TYDXN04.5D8HPower Technology Co., Ltd. 20262026265 kWDistillate Diesel Fuel
TYDXN05.8D6CPower Technology Co., Ltd. 20262026337 kWDistillate Diesel Fuel
SYDXN.570P2NPower Technology Co., Ltd. 2025202510 kWDistillate Diesel Fuel
SYDXN.854P3NPower Technology Co., Ltd. 2025202515 kWDistillate Diesel Fuel
SYDXN01.3P3NPower Technology Co., Ltd. 2025202521 kWDistillate Diesel Fuel
SYDXN02.0D4CPower Technology Co., Ltd. 2025202581 kWDistillate Diesel Fuel
SYDXN02.0E4CPower Technology Co., Ltd. 2025202560 kWDistillate Diesel Fuel
SYDXN02.2D4CPower Technology Co., Ltd. 2025202540 kWDistillate Diesel Fuel
SYDXN02.2E4NPower Technology Co., Ltd. 2025202533 kWDistillate Diesel Fuel
SYDXN02.8D4CPower Technology Co., Ltd. 20252025178 kWDistillate Diesel Fuel
SYDXN02.8D4HPower Technology Co., Ltd. 20252025193 kWDistillate Diesel Fuel
SYDXN02.8E4CPower Technology Co., Ltd. 20252025143 kWDistillate Diesel Fuel
SYDXN02.8E4HPower Technology Co., Ltd. 20252025143 kWDistillate Diesel Fuel
SYDXN03.3S4TPower Technology Co., Ltd. 2025202551 kWDistillate Diesel Fuel
SYDXN04.5D8CPower Technology Co., Ltd. 20252025257 kWDistillate Diesel Fuel
SYDXN04.5D8HPower Technology Co., Ltd. 20252025265 kWDistillate Diesel Fuel
SYDXN05.8D6CPower Technology Co., Ltd. 20252025337 kWDistillate Diesel Fuel
SYDXN20.4D6CPower Technology Co., Ltd. 20252025572 kWDistillate Diesel Fuel
RYDXN.570P2NPower Technology Co., Ltd. 2024202410 kWDistillate Diesel Fuel
RYDXN.854P3NPower Technology Co., Ltd. 2024202415 kWDistillate Diesel Fuel
RYDXN01.3P3NPower Technology Co., Ltd. 2024202421 kWDistillate Diesel Fuel
RYDXN01.6E3NPower Technology Co., Ltd. 2024202433 kWDistillate Diesel Fuel
RYDXN02.0D4CPower Technology Co., Ltd. 2024202481 kWDistillate Diesel Fuel
RYDXN02.0E4CPower Technology Co., Ltd. 2024202460 kWDistillate Diesel Fuel
RYDXN02.2D4CPower Technology Co., Ltd. 2024202440 kWDistillate Diesel Fuel
RYDXN02.8D4CPower Technology Co., Ltd. 20242024178 kWDistillate Diesel Fuel
RYDXN02.8D4HPower Technology Co., Ltd. 20242024193 kWDistillate Diesel Fuel
RYDXN02.8E4CPower Technology Co., Ltd. 20242024143 kWDistillate Diesel Fuel
RYDXN02.8E4HPower Technology Co., Ltd. 20242024143 kWDistillate Diesel Fuel
RYDXN03.3S4TPower Technology Co., Ltd. 2024202451 kWDistillate Diesel Fuel
RYDXN04.5D8CPower Technology Co., Ltd. 20242024257 kWDistillate Diesel Fuel
RYDXN04.5D8HPower Technology Co., Ltd. 20242024265 kWDistillate Diesel Fuel
RYDXN05.8D6CPower Technology Co., Ltd. 20242024337 kWDistillate Diesel Fuel
RYDXN20.4E6CPower Technology Co., Ltd. 20242024597 kWDistillate Diesel Fuel
PYDXN.570P2NPower Technology Co., Ltd. 2023202310 kWDistillate Diesel Fuel
PYDXN.854P3NPower Technology Co., Ltd. 2023202315 kWDistillate Diesel Fuel
PYDXN01.3P3NPower Technology Co., Ltd. 2023202321 kWDistillate Diesel Fuel
PYDXN01.6E3NPower Technology Co., Ltd. 2023202333 kWDistillate Diesel Fuel
PYDXN02.0D4CPower Technology Co., Ltd. 2023202381 kWDistillate Diesel Fuel
PYDXN02.0E4CPower Technology Co., Ltd. 2023202360 kWDistillate Diesel Fuel
PYDXN02.2D4CPower Technology Co., Ltd. 2023202340 kWDistillate Diesel Fuel
PYDXN02.8D4CPower Technology Co., Ltd. 20232023178 kWDistillate Diesel Fuel
PYDXN02.8D4HPower Technology Co., Ltd. 20232023193 kWDistillate Diesel Fuel
PYDXN02.8E4CPower Technology Co., Ltd. 20232023143 kWDistillate Diesel Fuel
PYDXN02.8E4HPower Technology Co., Ltd. 20232023143 kWDistillate Diesel Fuel
PYDXN03.3S4TPower Technology Co., Ltd. 2023202351 kWDistillate Diesel Fuel
PYDXN04.5D8CPower Technology Co., Ltd. 20232023257 kWDistillate Diesel Fuel
PYDXN04.5D8HPower Technology Co., Ltd. 20232023265 kWDistillate Diesel Fuel
PYDXN05.8D6CPower Technology Co., Ltd. 20232023337 kWDistillate Diesel Fuel
PYDXN20.4D6CPower Technology Co., Ltd. 20232023572 kWDistillate Diesel Fuel
PYDXN20.4E6CPower Technology Co., Ltd. 20232023597 kWDistillate Diesel Fuel
NYDXN.570P2NPower Technology Co., Ltd. 2022202210 kWDistillate Diesel Fuel
NYDXN.854P3NPower Technology Co., Ltd. 2022202215 kWDistillate Diesel Fuel
NYDXN01.3P3NPower Technology Co., Ltd. 2022202221 kWDistillate Diesel Fuel
NYDXN01.6E3NPower Technology Co., Ltd. 2022202233 kWDistillate Diesel Fuel
NYDXN02.0D4CPower Technology Co., Ltd. 2022202281 kWDistillate Diesel Fuel
NYDXN02.0E4CPower Technology Co., Ltd. 2022202259 kWDistillate Diesel Fuel
NYDXN02.2D4CPower Technology Co., Ltd. 2022202242 kWDistillate Diesel Fuel
NYDXN02.8D4CPower Technology Co., Ltd. 20222022173 kWDistillate Diesel Fuel
NYDXN02.8D4HPower Technology Co., Ltd. 20222022188 kWDistillate Diesel Fuel
NYDXN02.8E4CPower Technology Co., Ltd. 20222022143 kWDistillate Diesel Fuel
NYDXN02.8E4HPower Technology Co., Ltd. 20222022143 kWDistillate Diesel Fuel
NYDXN03.3S4TPower Technology Co., Ltd. 2022202251 kWDistillate Diesel Fuel
NYDXN04.5D8CPower Technology Co., Ltd. 20222022257 kWDistillate Diesel Fuel
NYDXN04.5D8HPower Technology Co., Ltd. 20222022272 kWDistillate Diesel Fuel
NYDXN05.8D6CPower Technology Co., Ltd. 20222022331 kWDistillate Diesel Fuel
NYDXN20.4D6CPower Technology Co., Ltd. 20222022555 kWDistillate Diesel Fuel
NYDXN20.4E6CPower Technology Co., Ltd. 20222022599 kWDistillate Diesel Fuel
NYDXN20.4E6SPower Technology Co., Ltd. 20222022749 kWDistillate Diesel Fuel
MYDXN.570P2NPower Technology Co., Ltd. 2021202110 kWDistillate Diesel Fuel
MYDXN.854P3NPower Technology Co., Ltd. 2021202115 kWDistillate Diesel Fuel
MYDXN01.3P3NPower Technology Co., Ltd. 2021202121 kWDistillate Diesel Fuel
MYDXN01.6E3NPower Technology Co., Ltd. 2021202133 kWDistillate Diesel Fuel
MYDXN02.0D4CPower Technology Co., Ltd. 2021202181 kWDistillate Diesel Fuel
MYDXN02.0E4CPower Technology Co., Ltd. 2021202159 kWDistillate Diesel Fuel
MYDXN02.2D4CPower Technology Co., Ltd. 2021202142 kWDistillate Diesel Fuel
MYDXN02.8D4CPower Technology Co., Ltd. 20212021173 kWDistillate Diesel Fuel
MYDXN02.8D4HPower Technology Co., Ltd. 20212021188 kWDistillate Diesel Fuel
MYDXN02.8E4CPower Technology Co., Ltd. 20212021147 kWDistillate Diesel Fuel
MYDXN02.8E4HPower Technology Co., Ltd. 20212021147 kWDistillate Diesel Fuel
MYDXN03.3S4TPower Technology Co., Ltd. 2021202151 kWDistillate Diesel Fuel
MYDXN04.5D8CPower Technology Co., Ltd. 20212021257 kWDistillate Diesel Fuel
MYDXN04.5D8HPower Technology Co., Ltd. 20212021272 kWDistillate Diesel Fuel
MYDXN05.8D6CPower Technology Co., Ltd. 20212021331 kWDistillate Diesel Fuel
MYDXN20.4D6CPower Technology Co., Ltd. 20212021555 kWDistillate Diesel Fuel
MYDXN20.4E6CPower Technology Co., Ltd. 20212021599 kWDistillate Diesel Fuel
MYDXN20.4E6SPower Technology Co., Ltd. 20212021749 kWDistillate Diesel Fuel
LYDXN0.57P2NPower Technology Co., Ltd. 2020202010 kWDistillate Diesel Fuel
LYDXN0.85P3NPower Technology Co., Ltd. 2020202015 kWDistillate Diesel Fuel
LYDXN1.27P3NPower Technology Co., Ltd. 2020202021 kWDistillate Diesel Fuel
LYDXN1.64D3NPower Technology Co., Ltd. 2020202029 kWDistillate Diesel Fuel
LYDXN1.64E3NPower Technology Co., Ltd. 2020202033 kWDistillate Diesel Fuel
LYDXN2.00D4CPower Technology Co., Ltd. 2020202081 kWDistillate Diesel Fuel
LYDXN2.00E4CPower Technology Co., Ltd. 2020202059 kWDistillate Diesel Fuel
LYDXN2.19D4CPower Technology Co., Ltd. 2020202042 kWDistillate Diesel Fuel
LYDXN2.76D4CPower Technology Co., Ltd. 20202020173 kWDistillate Diesel Fuel
LYDXN2.76D4HPower Technology Co., Ltd. 20202020188 kWDistillate Diesel Fuel
LYDXN2.76E4CPower Technology Co., Ltd. 20202020147 kWDistillate Diesel Fuel
LYDXN2.76E4HPower Technology Co., Ltd. 20202020147 kWDistillate Diesel Fuel
LYDXN20.4D6CPower Technology Co., Ltd. 20202020555 kWDistillate Diesel Fuel
LYDXN20.4E6CPower Technology Co., Ltd. 20202020599 kWDistillate Diesel Fuel
LYDXN3.32S4TPower Technology Co., Ltd. 2020202051 kWDistillate Diesel Fuel
LYDXN4.46D8CPower Technology Co., Ltd. 20202020257 kWDistillate Diesel Fuel
LYDXN4.46D8HPower Technology Co., Ltd. 20202020272 kWDistillate Diesel Fuel
LYDXN5.81D6CPower Technology Co., Ltd. 20202020331 kWDistillate Diesel Fuel
KYDXN0.57P2NPower Technology Co., Ltd. 2019201910 kWDistillate Diesel Fuel
KYDXN0.85P3NPower Technology Co., Ltd. 2019201915 kWDistillate Diesel Fuel
KYDXN1.27P3NPower Technology Co., Ltd. 2019201921 kWDistillate Diesel Fuel
KYDXN1.64D3NPower Technology Co., Ltd. 2019201929 kWDistillate Diesel Fuel
KYDXN1.64E3NPower Technology Co., Ltd. 2019201933 kWDistillate Diesel Fuel
KYDXN2.00D4CPower Technology Co., Ltd. 2019201981 kWDistillate Diesel Fuel
KYDXN2.00E4CPower Technology Co., Ltd. 2019201959 kWDistillate Diesel Fuel
KYDXN2.19D4CPower Technology Co., Ltd. 2019201942 kWDistillate Diesel Fuel
KYDXN2.76D4CPower Technology Co., Ltd. 20192019173 kWDistillate Diesel Fuel
KYDXN2.76D4HPower Technology Co., Ltd. 20192019188 kWDistillate Diesel Fuel
KYDXN2.76E4CPower Technology Co., Ltd. 20192019147 kWDistillate Diesel Fuel
KYDXN2.76E4HPower Technology Co., Ltd. 20192019147 kWDistillate Diesel Fuel
KYDXN20.4D6CPower Technology Co., Ltd. 20192019555 kWDistillate Diesel Fuel
KYDXN20.4E6CPower Technology Co., Ltd. 20192019599 kWDistillate Diesel Fuel
KYDXN4.46D8CPower Technology Co., Ltd. 20192019257 kWDistillate Diesel Fuel
KYDXN4.46D8HPower Technology Co., Ltd. 20192019272 kWDistillate Diesel Fuel
KYDXN5.81D6CPower Technology Co., Ltd. 20192019331 kWDistillate Diesel Fuel
JYDXN0.57P2NPower Technology Co., Ltd. 2018201810 kWDistillate Diesel Fuel
JYDXN0.85P3NPower Technology Co., Ltd. 2018201815 kWDistillate Diesel Fuel
JYDXN1.27P3NPower Technology Co., Ltd. 2018201821 kWDistillate Diesel Fuel
JYDXN1.64D3NPower Technology Co., Ltd. 2018201829 kWDistillate Diesel Fuel
JYDXN1.64E3NPower Technology Co., Ltd. 2018201833 kWDistillate Diesel Fuel
JYDXN2.00D4CPower Technology Co., Ltd. 2018201881 kWDistillate Diesel Fuel
JYDXN2.00E4CPower Technology Co., Ltd. 2018201859 kWDistillate Diesel Fuel
JYDXN2.19D4CPower Technology Co., Ltd. 2018201842 kWDistillate Diesel Fuel
JYDXN2.76D4HPower Technology Co., Ltd. 20182018188 kWDistillate Diesel Fuel
JYDXN2.76E4HPower Technology Co., Ltd. 20182018147 kWDistillate Diesel Fuel
JYDXN20.4D6CPower Technology Co., Ltd. 20182018555 kWDistillate Diesel Fuel
JYDXN20.4E6CPower Technology Co., Ltd. 20182018599 kWDistillate Diesel Fuel
JYDXN3.00D6HPower Technology Co., Ltd. 20182018191 kWDistillate Diesel Fuel
JYDXN4.46D8CPower Technology Co., Ltd. 20182018257 kWDistillate Diesel Fuel
JYDXN4.46D8HPower Technology Co., Ltd. 20182018272 kWDistillate Diesel Fuel
JYDXN5.81D6CPower Technology Co., Ltd. 20182018331 kWDistillate Diesel Fuel

Other marine diesel engines makers

Caterpillar515John Deere407Cummins376Volvo Penta368Perkins180FPT Industrial178Mitsubishi Heavy Industries140Shibaura124Nanni Industries118MAN Truck & Bus111Beta Marine100

Source

US Environmental Protection Agency engine certification data. Model year and manufacturer are decoded from EPA engine family codes (EPA codes:YDX). An engine family is a group of engines certified together; one family can cover several power ratings.

Engine calculators

Torque, power and BMEPPower from torque and RPM · Torque from power and RPM · Brake mean effective pressure (BMEP)Engine displacementDisplacement from bore, stroke and cylinders · Bore from displacement and stroke · Stroke from displacement and boreBSFC and thermal efficiencyBSFC from power and fuel flow · Fuel flow from power and BSFC · Thermal efficiency from BSFCCompression ratioStatic compression ratio · Chamber volume for a target compression ratio · Theoretical compression pressurePiston speedMean piston speed · Maximum RPM for a piston speed limit · Rod ratio, piston velocity and acceleration

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