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/ / Tier 4 Technologies
Follow the link to browse our line of Tier 4 and Interim Tier 4 engines

Built on proven PowerTech Plus technology

John Deere has always been ahead of the game when it comes to meeting emissions regulations. We pioneered the use of many advanced technologies with our Tier 3/Stage III A engines and proved their performance in off-highway applications. This gives us a head start for fuel economy as well as delivering higher power bulge, more torque rise, and faster transient response time.


First in the field

John Deere was the first engine manufacturer to take advantage of cooled exhaust gas recirculation (EGR) and variable geometry turbocharger (VGT) technologies in off-highway applications, introducing them with Tier 3/Stage III A emissions regulations. Our engines have a proven record of emissions reduction, best-in-class fuel economy, and rugged durability. When it comes to off-highway performance, other engine manufacturers can only follow in our tracks.


Fluid efficient
John Deere engines continue to provide the best total fluid economy and value. Our cooled EGR engines operate efficiently with ultra-low sulfur diesel (ULSD) as well as biodiesel blends, providing optimal performance and fuel-choice flexibility.


Off-highway durability

The jobs that John Deere PowerTech engines tackle every day are as varied as the equipment they power. That's why the John Deere Integrated Emissions Control system optimizes the use of various technologies designed to meet the unique needs of off-highway equipment. PowerTech 4.5L, 6.8L, 9.0L, and 13.5L engines use our proven PowerTech Plus technology, which includes 4-valve cylinder heads, cooled EGR, VGT, air-to-air aftercooling, high-pressure fuel systems, and wet-type cylinder liners.

See more Industrial Diesel Engines from John Deere

Powerful and Efficient Engines

John Deere PowerTech™ engines deliver improved performance, uptime, and efficiency to meet your daily workload needs.

    Learn more about our Industrial Diesel Engines
    Discover the options for Generator Drive Engines from John Deere

    Uninterrupted Power

    Rely on John Deere PowerTech™ generator drive engines to make sure your critical applications stay on. Our engines provide uninterrupted power when and where you need them.

      Learn more about our Generator Drive Engines



      We built on our success to deliver reliable equipment that makes your work easier and faster, with an emissions solution for small engines that's hassle free and worry free. For large engines, the John Deere Integrated Emissions Control system will allow our machines to set new benchmarks on power, performance, and efficiency.

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