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In an effort to help customers all over the world sustain new market needs as well as meet global emissions regulations for marine engines, John Deere Power Systems has introduced new marine diesel engine ratings. As the brand continues its expansion in specific global markets, the company wants to ensure John Deere marine diesel engines continue to accommodate customers’ demands and market regulations even as these things change in the coming years.

“As the marine market evolves, so do our customers’ needs. Keeping that in mind, we are committed to providing the marine engines and power ratings they need to be successful. John Deere continues to expand our portfolio for specific markets and offer additional ratings to comply with a wide array of emissions regulations.” – Heather Balk, Marine Market Planner at John Deere Power Systems 1

The Rising Popularity of Hybrid Power

A growing number of boat owners and John Deere customers are implementing hybrid power into their vessels. There are separate hybrid emissions regulations that need to be met. In order to help customers meet the hybrid emissions regulations for marine engines in the United States, the new John Deere marine engine ratings will be released for hybrid vessels fueled by diesel power. This rating is particularly aimed at hybrid vessels that require a variable-speed generator drive engine to develop electrical power for propulsion, storage, hotel load, and auxiliary electric loads.

Rating: PowerTech 6090SFM85

Speed Rating: 242 kW (325 hp) at 2,000 rpm

Emission Standards Met:

  • S. Environmental Protection Agency Marine Tier 3
  • International Maritime Organization Tier 2
  • E3 Propulsion Text Cycle Certification

Navigating The Inland Waterways of The EU

The European Union has its own set of emissions regulations for marine engines, including a distinct set of standards for engines that will be used to cruise inland waterways. These newly offered John Deere marine engine ratings are designed to address the market-specific standards for inland waterway engine applications within the European countries the EU’s emissions regulations are enforced.

Ratings: PowerTech 4045TFM85 & PowerTech 6068AFM85

Speed Rating: 61 kWm prime at 1,500 rpm (4.5L) & 117 kWm prime at 1,500 rpm (6.8L)

Emission Standards Met:

  • EU Stage V Compliance
  • Approved by the following marine classification societies:
    • ABS
    • BV
    • CCS
    • DNV-GL
    • LR

Learn all you need to know about marine diesel engine rating and your area’s diesel emissions regulations by giving our marine diesel engine dealers and diesel specialists a call!


  1. Marine Log – John Deere offers new engine ratings for global marine markets