**EXHIBIT 21**

**SUBSIDIARIESOF THE REGISTRANTMARCH 2005**
| **Sauer-Danfoss   Inc.**                                        | ** ** | **Corporation**                   | ** ** | **Business   Purpose**      |
|-----------------------------------------------------------------|------------|-----------------------------------|------------|-----------------------------|
| Sauer-Danfoss (US)  Company                                     |       | U.S. Corporation                  |       | Manufacturing and Sales     |
| Hydro-Gear, Inc.                                           |       | U.S. Corporation                  |       | Partner                     |
| Hydro-Gear Limited  Partnership                                 |       | U.S. Partnership                  |       | Manufacturing and Sales     |
| TSD Integrated Controls  LLC                                    |       | U.S. Limited Liability  Company   |       | Manufacturing and Sales     |
| Sauer-Danfoss  Euro-Finance L.P.                                |       | U.S. Limited Partnership          |       | Inactive                    |
| Sauer-Danfoss Pty Ltd.                                          |       | Australian Corporation            |       | Sales Company               |
| Sauer-Danfoss BVBA                                              |       | Belgium Corporation               |       | Sales Company               |
| Sauer-Danfoss Hidraulica  Mobil Ltda                            |       | Brazil Corporation                |       | Manufacturing               |
| Sauer-Danfoss Ltda.                                             |       | Brazil Limited Liability  Company |       | Sales Company               |
| Sauer-Danfoss Shanghai  Hydrostatic Transmission Co., Ltd. |       | China Corporation                 |       | Manufacturing               |
| Sauer-Danfoss-Daikin  Mobile Hydraulics (Shanghai) Co., Ltd.    |       | China Corporation                 |       | Sales Company               |
| Sauer-Danfoss Shanghai  Co. Ltd.                                |       | China Corporation                 |       | Manufacturing               |
| Sauer-Danfoss ApS                                               |       | Denmark Corporation               |       | Manufacturing and Sales     |
| Sauer-Danfoss Holding  ApS                                      |       | Denmark Corporation               |       | Holding Company             |
| Oy Sauer-Danfoss AB                                             |       | Finland Corporation               |       | Sales Company               |
| Sauer-Danfoss S.A.S.                                            |       | France Corporation                |       | Sales Company               |
| Sauer-Danfoss  GmbH & Co. OHG           |       | Germany Partnership               |       | Manufacturing and Sales     |
| Sauer-Danfoss  (Neumünster) GmbH                           |       | Germany Corporation               |       | Holding/Management  Company |
| Sauer-Danfoss Informatik  GmbH                                  |       | Germany Corporation               |       | Information Services        |
| Sauer-Danfoss IT Europe  GmbH                                   |       | Germany Corporation               |       | Inactive                    |
| Sauer-Danfoss (Berching)  GmbH                                  |       | Germany Corporation               |       | Manufacturing               |
| Sauer-Danfoss  (Kaiserslautern) GmbH                            |       | Germany Corporation               |       | Manufacturing               |
| Sauer Hydratec GmbH                                             |       | Germany Corporation               |       | Inactive                    |
| Sauer-Danfoss India  Private Limited                       |       | India Corporation                 |       | Manufacturing and Sales     |
| Sauer-Danfoss (Bologna)  SpA                                    |       | Italy Corporation                 |       | Manufacturing               |
| Sauer-Danfoss S.r.l.                                            |       | Italy Corporation                 |       | Sales Company               |
| Comatrol SpA                                                    |       | Italy Corporation                 |       | Manufacturing               |
| Daikin-Sauer-Danfoss  Manufacturing Ltd.                        |       | Japanese Corporation              |       | Manufacturing               |
| Sauer-Danfoss-Daikin  Ltd.                                      |       | Japanese Corporation              |       | Sales Company               |
| Sauer-Danfoss-Daikin  Ltd., Korea                               |       | Korean Corporation                |       | Sales Company               |
| Sauer-Danfoss Luxembourg  Sarl                                  |       | Luxembourg Corporation            |       | Holding Company             |
| Sauer-Danfoss BV                                                |       | Netherlands Corporation           |       | Sales Company               |
| Sauer-Danfoss A/S                                               |       | Norway Corporation                |       | Sales Company               |
| Sauer-Danfoss sp.z.o.o.                                         |       | Poland Corporation                |       | Manufacturing               |
| SD (UK) Ltd.                                                    |       | U.K. Corporation                  |       | Inactive                    |
| Sauer-Danfoss (Swindon)  Ltd.                                   |       | U.K. Corporation                  |       | Inactive                    |
| Sauer-Danfoss Limited                                           |       | U.K. Corporation                  |       | Manufacturing and Sales     |
| Integrated Control  Technologies Ltd.                           |       | U.K. Corporation                  |       | Inactive                    |

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| Sauer-Danfoss Pte. Ltd.                |   | Singapore Corporation |   | Sales Company           |
|----------------------------------------|--------|-----------------------|--------|-------------------------|
| Merkur Hydraulika a.s                  |   | Slovakia Corporation  |   | Sales Company           |
| Sauer-Danfoss a.s.                     |   | Slovakia Corporation  |   | Manufacturing and Sales |
| Sauer-Danfoss SA                       |   | Spain Corporation     |   | Sales Company           |
| Sauer-Danfoss (Almhult)  AB            |   | Sweden Corporation    |   | Manufacturing           |
| Sauer-Danfoss AB                       |   | Sweden Corporation    |   | Sales Company           |
| Custom Design Electronics of Sweden AB |   | Sweden Corporation    |   | Holding Company         |

 

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