MTZ industrial

, Volume 6, Issue 2, pp 32–39 | Cite as

Field Experience with Medium Speed Marine Engines

  • Hideyoshi Yamamoto
  • Shoji Kato
  • Shuichi Anzawa
  • Kazumi Imai
Development Engines

Based on operating experience with customers worldwide, Niigata Power Systems has further developed the 28AHX medium speed marine engine. As a ship’s main engine it has proven its fuel economy while conforming with the IMO Tier II emissions limits and exhibiting minimised exhaust smoke throughout its load range.

280 mm bore medium speed marine diesel

In over 100 years of engine development Niigata Power Systems (NPS) has consistently presented products to meet contemporary needs in both marine and land-based applications, gaining an excellent reputation with global users [1].

In the NPS medium speed portfolio 280 mm bore engines such as 28HX and 28HLX are among the best sellers and enjoy a high reputation for their performance and reliability. As the next generation of high output 280 mm cylinder bore engine model, the 28AHX has been developed as a marine main propulsion engine. It features an environmentally-friendly construction combined with enhanced fuel consumption and conforms to...


Nodular Cast Iron Cylinder Head Cylinder Liner Cylinder Block Smoke Emission 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



The authors express sincere appreciation for support from the Japanese Ministry of Land, Infrastructure, Transport and Tourism and the assistance of Hideaki Nagasawa, General Manager Design & Development, at the Engineering & Technology Center of Niigata Power Systems.


  1. [1]
    Itoh, Y.; Kawakami, M.; Mouri, Y; Goto, S.: Development of Niigata 4 stroke engines, 25th CIMAC Vienna, 2007 Paper No. 27Google Scholar
  2. [2]
    Tagai, T.; Mimura, T; Goto, S: Emission Control Technology by Niigata, The Clean Marine Diesel Engine For Low Speed, Medium Speed And High Speed, 26th CIMAC Congress Bergen, 2010, Paper No. 136Google Scholar
  3. [3]
    Imai, K.; Nagasawa, H.; Yamamoto, H.; Kato, S.; Sonobe, K.: Development of Niigata New Medium-speed Diesel Engine “28AHX”, 26th CIMAC Congress Bergen, 2010, Paper No. 165Google Scholar
  4. [4]
    Tagai, T.; Goto, S.: Super-clean Marine Engine that Meets IMO II and III. In: MTZ industrial, November 2011Google Scholar
  5. [5]
    Saito, T.; Neichi, T.; Kato, S: Utilization of Simulation Technology for Diesel Engine Development in Niigata, 27th CIMAC Congress Helsinki, 2016, Paper No. 140Google Scholar

Copyright information

© Springer Fachmedien Wiesbaden 2016

Authors and Affiliations

  • Hideyoshi Yamamoto
    • 1
  • Shoji Kato
    • 1
  • Shuichi Anzawa
    • 1
  • Kazumi Imai
    • 1
  1. 1.Engineering and Technology Center of Niigata Power SystemsNiigataJapan

Personalised recommendations