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About Us

Company Profile

Diesel United Ltd.
Established 1st October, 1988
Capital 153.1 million yen
Net sales 18 billion yen (as of March 2011)
Number of employees 233 (as of March 2011)
Stockholder IHI Corporation
Tokyo Head Office 2-8, Kanda Suda-cho, Chiyoda-ku, Tokyo 101-0041, Japan
Tel: +81-3- 3257-8222
Fax: +81-3- 3257-8220
Aioi Works 5292 Aioi, Aioi-shi, Hyogo 678-0041, Japan
Tel: +81-791-24-2608
Fax: +81-791-24-2648
Kobe Sales Office 1-1-1, Motomachi-dori, Chuo-ku, Kobe-shi, Hyogo 650-0022, Japan
Tel: +81-78-321-3881
Fax: +81-78-391-2050
Singapore
Representative Office
(DUCS)
27 Tanjong Kling Road, Singapore 628052 ( in IMES office )
mail
Fax: +65-6266-5302
Download Catalogue >>Company Information  (PDF:4518KB)

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Access Guide

Diesel United Ltd.
Tokyo Head Office
8, Kanda Suda-cho 2-chome, Chiyoda-ku, Tokyo 101-0041, Japan
Tel: +81-3- 3257-8222
Fax: +81-3- 3257-8220
Aioi Works
5292 Aioi, Aioi-shi, Hyogo 678-0041, Japan
(in the premises of IHI Aioi Branch)
Tel: +81-791-24-2608
Fax: +81-791-24-2648

JR Sanyo main line Aioi Sta. (10min. by taxi)

IHI AIOI GUIDE MAP(PDF 82KB)

Kobe Sales Office
1-1, Motomachi-dori 1-chome, Chuo-ku, Kobe-shi, Hyogo 650-0022, Japan
Tel: +81-78-321-3881
Fax: +81-78-391-2050
Singapore Representative Office (DUCS)
27 Tanjong Kling Road, Singapore 628052(in IMES office)
Mail
Fax: +65-6266-5302

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The history of DU

1948 License Agreement was executed between Harima Shipyard Co., Ltd., one of the former bodies of IHI and Sulzer Brothers, Ltd., Switzerland (present Wartsila Switzerland).
1957 License Agreement was executed between Harima Shipyard Co., Ltd. and BBC Co., Ltd, Switzerland.
1960 Ishikawajima Heavy Industry Co., Ltd. and Harima Shipyard Co., Ltd. merged to form IHI
1964 License Agreement was executed between IHI and S.E.M.T. Pielstick (SEMT)
1980 Certification was given by Japanese Government for manufacturing shop of internal combustion engines.
1988 Diesel United, Ltd. (DU) was established by merger of Diesel Engines Divisions of IHI and SHI.
1989 Diesel United Technical Service Co., Ltd. (DUS) established to enhance post delivery support
1993 DUS was merged into DU to unify diesel engine businesses.
First 7RTA84T diesel engine was delivered.
DU obtained certification for ISO 9001 for quality assurance and management concerning sales, design and development, production and servicing of reciprocating internal combustion engines.
2000 Total production of 10 million horsepower was achieved after the establishment of DU
2003 First 7RT-flex58TB diesel engine was delivered.
2004 First 12RT-flex96C diesel engine was delivered.
DU obtained certification for ISO 14001 for environmental system.
2005 First RT-flex50 diesel engine was delivered.
2007 DU & Mitsubishi Heavy Industries Co., Ltd. agreed to business tie-up in the shipping diesel engine.
2008 We celebrated the 20th anniversary DU establishment.
2009 HAM (Humid Air Motor) System for diesel engines of a power plant began the operation.
DU released TF-Detector (Trace-of-Ferrous-powder Detector).
2011 DU launched the first oversea office in Singapore (DUCS).
DU released LC-A (LifeCycle Administrator).

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