The world of Dieselman – MTU

I love the smell of diesel fuel in the morning

MTU Recieves EPA Approval: Independently Certified Green Tier 2 Rail Engine

MTU 16V4000 Tier 2 Certified Rail Engine  MTU received certification today from EPA for the first independently certified, high-speed rail engine. The low-emission 12V4000 R33 engine is optimized for the rail industry and meets EPA’s Tier 2 emission standard (40 CFR 92). 

“This is the first time EPA has certified to Tier 2 emission limits a stand-alone, high-speed engine for use in locomotive applications,” said Doug Berry, MTU Detroit Diesel Rail Sales Manager. “Certifying the engine itself, instead of the locomotive as a whole, provides OEMs and operators the flexibility to use this engine in any locomotive application, whether for re-powers or new construction.”

With MTU’s experience in the European rail business and leadership in today’s clean diesel technologies, the introduction of its new Series 4000 rail engine allows the company to offer a certified engine that is ideally suited for the new emissions challenges posed by the North American rail market.

The new MTU 12V4000 R33 engine provides 2,250 horsepower at 1,800 rpm and has the latest in common rail fuel injection systems, advanced turbocharging and Advanced Diesel Engine Controls (ADEC) electronics for cleaner, more efficient operations.“MTU has been a leading force in developing clean diesel technology,” said Berry. “The technology in our new rail engines has been used on rails worldwide and in numerous other applications, from mining trucks to tug boats. That proven track record gives us an edge over the competition and provides peace of mind for our customers.”

The Series 4000 engines have been optimized for use in the rail market by:

  • Adding water-cooled exhaust and turbochargers to reduce engine skin operating temperatures and provide unprecedented safety.
  • Employing MTU’s patented, second-generation common rail fuel injection system for better fuel efficiency.
  • Utilizing a self-cleaning oil filtration system to reduce maintenance downtime.
  • Designing the turbocharger and exhaust outlets to be reversible to allow for more installation flexibility for locomotive builders.

August 7, 2007 - Posted by | Rail


  1. Interested in discussing your 12V4000 R33 engine and how we may be able to use in our new locomotive and/or repowering
    projects. We also have an interest in 700HP engines that may also have TierII certification capability.

    I can be reached at 708-388-6002
    Mike Zerafa

    Comment by Mike Zerafa | September 17, 2007 | Reply

  2. Mike we will have someone contact you, if they have not done so already to answer your questions. If you have not been contacted let me know.


    Comment by Dieselman | October 5, 2007 | Reply

  3. Could you please send additional information on the Green Tier program reference in your article?

    Comment by Mark McDermid | August 7, 2008 | Reply

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