Clean Engines — Clean Air
With John Deere PowerTech engines, everything runs clean and efficiently — above and below deck. John Deere marine engines offer closed crankcase vents that eliminate undesirable gases in the engine room and keep the bilge clean. John Deere also protects the air outside your boat by complying with international, European, and United States emissions standards for regulated vessels. John Deere will meet Environmental Protection Agency (EPA) Marine Tier 3 emissions regulations with a complete line of PowerTech engines for newly constructed vessels as well as repowered boats, as regulation dates become effective.
John Deere marine engines are available to meet the following standards: