Engines · Marine diesel engines

Caterpillar marine diesel engines

EPA certification records list 515 marine diesel engine families from Caterpillar, model years 2000–2026. Rated power ranges from 179 to 4,600 kW (listed for 384 of 515 families), median 847 kW. Turbocharged engines make up 77% of families. The most families were certified in 2010 (42).

Engine families515
Engine models40
Model years2000–2026
Power range179–4600 kWmedian 847 kW
Rank in category#1of 33 makers by families

Power distribution

Number of engine families by rated power.

130–225 kW6
225–450 kW100
450–560 kW25
560–1000 kW93
1000+ kW160

Families certified per year

200014
200413
200512
200618
200722
200825
200932
201042
201130
201228
201329
201419
201521
201619
201723
201821
201922
202023
202118
202217
202317
202417
202516
202617

Technical mix

Fuel
Distillate Diesel Fuel211Distillate Diesel [94.108(a)(1)]103Distillate100Distillate Diesel [1065.703(b)]42Distillate Diesel [ISO 8217, DM-Grade]12Diesel (Part89, Sub D,appdx A, Table 4)8
Aspiration
Turbocharged369Turbo Air to Water (TAW)112
Configuration
4 Stroke2704 Stroke Compression Ignition211
Cylinders
6 cyl2508 cyl1612 cyl11916 cyl42

Most certified engine models

Inc. 201038Inc. 201329Inc. 201128Inc. 201227Inc. 202023Inc. 201723Inc. 201922Inc. 200922Inc. 201821Inc. 201521Inc. 200820Inc. 201619

Engine families — latest 150

FamilyModelYearPowerFuel
TCPXN09.3EE3Inc. 20262026360 kWDistillate Diesel Fuel
TCPXN09.3EP3Inc. 20262026310 kWDistillate Diesel Fuel
TCPXN11.9EN3Inc. 20262026526 kWDistillate Diesel Fuel
TCPXN15.2EB3Inc. 20262026403 kWDistillate Diesel Fuel
TCPXN18.1EE3Inc. 20262026599 kWDistillate Diesel Fuel
TCPXN18.1EP3Inc. 20262026599 kWDistillate Diesel Fuel
TCPXN18.1ER3Inc. 20262026847 kWDistillate Diesel Fuel
TCPXN296.AT4Inc. 20262026—Distillate Diesel Fuel
TCPXN296.EA4Inc. 202620264,600 kWDistillate Diesel Fuel
TCPXN296.EP2Inc. 202620262,530 kWDistillate Diesel Fuel
TCPXN32.1DR3Inc. 202620261,790 kWDistillate Diesel Fuel
TCPXN32.1EN3Inc. 20262026597 kWDistillate Diesel Fuel
TCPXN32.1EP4Inc. 202620261,331 kWDistillate Diesel Fuel
TCPXN58.6NTFInc. 202620261,349 kWDistillate Diesel Fuel
TCPXN78.1AT4Inc. 202620262,653 kWDistillate Diesel Fuel
TCPXN78.1MT1Inc. 202620261,641 kWDistillate Diesel Fuel
TCPXN78.1MT2Inc. 202620261,231 kWDistillate Diesel Fuel
SCPXN09.3EE3Inc. 20252025360 kWDistillate Diesel Fuel
SCPXN09.3EP3Inc. 20252025310 kWDistillate Diesel Fuel
SCPXN15.2EB3Inc. 20252025403 kWDistillate Diesel Fuel
SCPXN18.1EE3Inc. 20252025599 kWDistillate Diesel Fuel
SCPXN18.1EP3Inc. 20252025599 kWDistillate Diesel Fuel
SCPXN18.1ER3Inc. 20252025847 kWDistillate Diesel Fuel
SCPXN18.1HTHInc. 20252025580 kWDistillate Diesel Fuel
SCPXN296.AT4Inc. 20252025—Distillate Diesel Fuel
SCPXN296.EA4Inc. 202520254,600 kWDistillate Diesel Fuel
SCPXN296.EP2Inc. 202520252,530 kWDistillate Diesel Fuel
SCPXN32.1DR3Inc. 202520251,790 kWDistillate Diesel Fuel
SCPXN32.1EN3Inc. 20252025597 kWDistillate Diesel Fuel
SCPXN32.1EP4Inc. 202520251,094 kWDistillate Diesel Fuel
SCPXN78.1AT4Inc. 202520252,653 kWDistillate Diesel Fuel
SCPXN78.1MT1Inc. 202520251,641 kWDistillate Diesel Fuel
SCPXN78.1MT2Inc. 202520251,231 kWDistillate Diesel Fuel
RCPXN09.3EE3Inc. 20242024360 kWDistillate Diesel Fuel
RCPXN09.3EP3Inc. 20242024310 kWDistillate Diesel Fuel
RCPXN15.2EB3Inc. 20242024403 kWDistillate Diesel Fuel
RCPXN18.1EE3Inc. 20242024599 kWDistillate Diesel Fuel
RCPXN18.1EP3Inc. 20242024599 kWDistillate Diesel Fuel
RCPXN18.1ER3Inc. 20242024847 kWDistillate Diesel Fuel
RCPXN296.AT4Inc. 20242024—Distillate Diesel Fuel
RCPXN296.EA4Inc. 202420244,600 kWDistillate Diesel Fuel
RCPXN296.EP2Inc. 202420242,530 kWDistillate Diesel Fuel
RCPXN32.1DR3Inc. 202420241,790 kWDistillate Diesel Fuel
RCPXN32.1EN3Inc. 20242024597 kWDistillate Diesel Fuel
RCPXN32.1EP4Inc. 202420241,094 kWDistillate Diesel Fuel
RCPXN32.1IMOInc. 202420241,790 kWDistillate Diesel Fuel
RCPXN32.1JDPInc. 20242024994 kWDistillate Diesel Fuel
RCPXN78.1AT4Inc. 202420242,653 kWDistillate Diesel Fuel
RCPXN78.1MT1Inc. 202420241,641 kWDistillate Diesel Fuel
RCPXN78.1MT2Inc. 202420241,231 kWDistillate Diesel Fuel
PCPXN09.3EE3Inc. 20232023360 kWDistillate Diesel Fuel
PCPXN09.3EP3Inc. 20232023310 kWDistillate Diesel Fuel
PCPXN15.2EB3Inc. 20232023403 kWDistillate Diesel Fuel
PCPXN18.1EE3Inc. 20232023599 kWDistillate Diesel Fuel
PCPXN18.1EH3Inc. 20232023747 kWDistillate Diesel Fuel
PCPXN18.1EP3Inc. 20232023599 kWDistillate Diesel Fuel
PCPXN18.1ER3Inc. 20232023847 kWDistillate Diesel Fuel
PCPXN18.1HPDInc. 20232023847 kWDistillate Diesel Fuel
PCPXN296.AT4Inc. 20232023—Distillate Diesel Fuel
PCPXN296.EA4Inc. 202320234,600 kWDistillate Diesel Fuel
PCPXN296.EP2Inc. 202320232,530 kWDistillate Diesel Fuel
PCPXN32.1DR3Inc. 202320231,790 kWDistillate Diesel Fuel
PCPXN32.1EN3Inc. 20232023597 kWDistillate Diesel Fuel
PCPXN32.1EP4Inc. 202320231,094 kWDistillate Diesel Fuel
PCPXN78.1AT4Inc. 202320232,653 kWDistillate Diesel Fuel
PCPXN78.1MT1Inc. 202320231,641 kWDistillate Diesel Fuel
PCPXN78.1MT2Inc. 202320231,231 kWDistillate Diesel Fuel
NCPXN09.3EE3Inc. 20222022360 kWDistillate Diesel Fuel
NCPXN09.3EP3Inc. 20222022310 kWDistillate Diesel Fuel
NCPXN15.2EB3Inc. 20222022403 kWDistillate Diesel Fuel
NCPXN18.1EE3Inc. 20222022599 kWDistillate Diesel Fuel
NCPXN18.1EH3Inc. 20222022747 kWDistillate Diesel Fuel
NCPXN18.1EP3Inc. 20222022599 kWDistillate Diesel Fuel
NCPXN18.1ER3Inc. 20222022847 kWDistillate Diesel Fuel
NCPXN18.1HPDInc. 20222022847 kWDistillate Diesel Fuel
NCPXN296.AT4Inc. 20222022—Distillate Diesel Fuel
NCPXN296.EA4Inc. 202220224,600 kWDistillate Diesel Fuel
NCPXN296.EP2Inc. 202220222,530 kWDistillate Diesel Fuel
NCPXN32.1DR3Inc. 202220221,790 kWDistillate Diesel Fuel
NCPXN32.1EN3Inc. 20222022597 kWDistillate Diesel Fuel
NCPXN32.1EP4Inc. 202220221,094 kWDistillate Diesel Fuel
NCPXN78.1AT4Inc. 202220222,653 kWDistillate Diesel Fuel
NCPXN78.1MT1Inc. 202220221,641 kWDistillate Diesel Fuel
NCPXN78.1MT2Inc. 202220221,231 kWDistillate Diesel Fuel
MCPXN09.3EE3Inc. 20212021360 kWDistillate Diesel Fuel
MCPXN09.3EP3Inc. 20212021310 kWDistillate Diesel Fuel
MCPXN15.2EB3Inc. 20212021403 kWDistillate Diesel Fuel
MCPXN18.1EE3Inc. 20212021599 kWDistillate Diesel Fuel
MCPXN18.1EH3Inc. 20212021747 kWDistillate Diesel Fuel
MCPXN18.1EP3Inc. 20212021599 kWDistillate Diesel Fuel
MCPXN18.1ER3Inc. 20212021847 kWDistillate Diesel Fuel
MCPXN18.1HPDInc. 20212021847 kWDistillate Diesel Fuel
MCPXN296.AT4Inc. 20212021—Distillate Diesel Fuel
MCPXN296.EA4Inc. 202120214,600 kWDistillate Diesel Fuel
MCPXN296.EP2Inc. 202120212,530 kWDistillate Diesel Fuel
MCPXN32.1DR3Inc. 202120211,490 kWDistillate Diesel Fuel
MCPXN32.1EN3Inc. 20212021597 kWDistillate Diesel Fuel
MCPXN32.1EP3Inc. 202120211,081 kWDistillate Diesel Fuel
MCPXN32.1EP4Inc. 202120211,094 kWDistillate Diesel Fuel
MCPXN78.1AT4Inc. 202120212,653 kWDistillate Diesel Fuel
MCPXN78.1MT1Inc. 202120211,641 kWDistillate Diesel Fuel
MCPXN78.1MT2Inc. 202120211,231 kWDistillate Diesel Fuel
LCPXN09.3EA3Inc. 20202020304 kWDistillate Diesel Fuel
LCPXN09.3EB3Inc. 20202020280 kWDistillate Diesel Fuel
LCPXN09.3EE3Inc. 20202020360 kWDistillate Diesel Fuel
LCPXN09.3EH3Inc. 20202020355 kWDistillate Diesel Fuel
LCPXN09.3EP3Inc. 20202020310 kWDistillate Diesel Fuel
LCPXN15.2EA3Inc. 20202020400 kWDistillate Diesel Fuel
LCPXN15.2EB3Inc. 20202020403 kWDistillate Diesel Fuel
LCPXN18.1ED3Inc. 20202020599 kWDistillate Diesel Fuel
LCPXN18.1EE3Inc. 20202020515 kWDistillate Diesel Fuel
LCPXN18.1EP3Inc. 20202020599 kWDistillate Diesel Fuel
LCPXN18.1ER3Inc. 20202020847 kWDistillate Diesel Fuel
LCPXN18.1IMOInc. 20202020599 kWDistillate Diesel Fuel
LCPXN296.AT4Inc. 20202020—Distillate Diesel Fuel
LCPXN296.EA4Inc. 202020204,600 kWDistillate Diesel Fuel
LCPXN296.EP2Inc. 202020202,530 kWDistillate Diesel Fuel
LCPXN32.1DR3Inc. 202020201,490 kWDistillate Diesel Fuel
LCPXN32.1EA4Inc. 202020201,094 kWDistillate Diesel Fuel
LCPXN32.1EN3Inc. 20202020597 kWDistillate Diesel Fuel
LCPXN32.1EP4Inc. 202020201,081 kWDistillate Diesel Fuel
LCPXN78.1AT4Inc. 202020202,653 kWDistillate Diesel Fuel
LCPXN78.1JT4Inc. 202020202,653 kWDistillate Diesel Fuel
LCPXN78.1MT1Inc. 202020201,641 kWDistillate Diesel Fuel
LCPXN78.1MT2Inc. 202020201,231 kWDistillate Diesel Fuel
KCPXN09.3EA3Inc. 20192019304 kWDistillate Diesel Fuel
KCPXN09.3EB3Inc. 20192019280 kWDistillate Diesel Fuel
KCPXN09.3EE3Inc. 20192019360 kWDistillate Diesel Fuel
KCPXN09.3EH3Inc. 20192019355 kWDistillate Diesel Fuel
KCPXN09.3EP3Inc. 20192019310 kWDistillate Diesel Fuel
KCPXN15.2EA3Inc. 20192019400 kWDistillate Diesel Fuel
KCPXN15.2EB3Inc. 20192019403 kWDistillate Diesel Fuel
KCPXN18.1ED3Inc. 20192019599 kWDistillate Diesel Fuel
KCPXN18.1EE3Inc. 20192019515 kWDistillate Diesel Fuel
KCPXN18.1EP3Inc. 20192019599 kWDistillate Diesel Fuel
KCPXN18.1ER3Inc. 20192019847 kWDistillate Diesel Fuel
KCPXN296.AT4Inc. 20192019—Distillate Diesel Fuel
KCPXN296.EA4Inc. 201920194,600 kWDistillate Diesel Fuel
KCPXN296.EP2Inc. 201920192,530 kWDistillate Diesel Fuel
KCPXN32.1EA4Inc. 201920191,094 kWDistillate Diesel Fuel
KCPXN32.1EN3Inc. 20192019597 kWDistillate Diesel Fuel
KCPXN32.1EP4Inc. 201920191,081 kWDistillate Diesel Fuel
KCPXN32.1ER3Inc. 201920191,418 kWDistillate Diesel Fuel
KCPXN78.1AT4Inc. 201920192,653 kWDistillate Diesel Fuel
KCPXN78.1JT4Inc. 201920192,653 kWDistillate Diesel Fuel
KCPXN78.1MT1Inc. 201920191,641 kWDistillate Diesel Fuel
KCPXN78.1MT2Inc. 201920191,231 kWDistillate Diesel Fuel
JCPXN09.3EA3Inc. 20182018304 kWDistillate Diesel Fuel
JCPXN09.3EB3Inc. 20182018280 kWDistillate Diesel Fuel
JCPXN09.3EE3Inc. 20182018360 kWDistillate Diesel Fuel

Other marine diesel engines makers

John Deere407Cummins376Volvo Penta368Yanmar323Perkins180FPT 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:CPX). An engine family is a group of engines certified together; one family can cover several power ratings.

Engine calculators

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