Exhibit12

METALDYNE CORPORATION Computation of Ratio of Earningsto Combined Fixed Charges and Preferred Stock Dividends(Dollars Inthousands)

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|                                                                                                       |  | 6Months EndedJune 27 |         | Year EndedDecember28, |  | Year EndedDecember 29, |         | For the YearsEnded December31 |  |
|                                                                                                       |  | 2004                 |         | 2003                  |  | 2002                   |         | 2001                          |  | 11/28–12/312000 |         |
|                                                                                                       |  |                 |         |                  |  | (Restated)             |         | (Restated)                    |  | (Restated)            |         |
| EARNINGS(LOSS) BEFORE INCOME TAXES AND FIXEDCHARGES:                                                       |  |                 |    |                  |  |                   |    |                          |  |                  |    |      |  |   |    |      |  |   |    |      |  |
| Income(loss) from continuing operations before income taxes and cumulativeeffect of accounting change, net |  | $                    | (8,290  | )                |  | $                      | (83,990 | )                        |  | $                     | (69,090 | )    |  | $      | (47,040 | )    |  | $      | (42,820 | )    |  |
| (Deduct)add equity in undistributed earnings (loss) of less-than-fifty percentowned companies              |  |                 | (4,440  | )                |  |                   | 20,700  |                          |  |                  | 1,410   |      |  |   | 8,930   |      |  |   | 1,000   |      |  |
| Addinterest on indebtedness, net                                                                           |  |                 | 39,750  |                  |  |                   | 75,510  |                          |  |                  | 91,000  |      |  |   | 148,160 |      |  |   | 14,440  |      |  |
| Addamortization of debt expense                                                                            |  |                 | 1,340   |                  |  |                   | 2,480   |                          |  |                  | 4,770   |      |  |   | 11,620  |      |  |   | 550     |      |  |
| Addpreferred stockdividends                                                                                |  |                 | 8,970   |                  |  |                   | — |                          |  |                  | — |      |  |   | — |      |  |   | — |      |  |
| Estimatedinterest factor for rentals                                                                       |  |                 | 8,230   |                  |  |                   | 12,930  |                          |  |                  | 12,460  |      |  |   | 9,730   |      |  |   | 310     |      |  |
| Earningsbefore income taxes and fixed charges                                                              |  | $                    | 45,560  |                  |  | $                      | 27,630  |                          |  | $                     | 40,550  |      |  | $      | 131,400 |      |  | $      | (26,520 | )    |  |
| FIXEDCHARGES:                                                                                              |  |                 |    |                  |  |                   |    |                          |  |                  |    |      |  |   |    |      |  |   |    |      |  |
| Intereston indebtedness, net                                                                               |  | $                    | 39,750  |                  |  | $                      | 75,510  |                          |  | $                     | 91,000  |      |  | $      | 148,160 |      |  | $      | 14,440  |      |  |
| Amortizationof debt expense                                                                                |  |                 | 1,340   |                  |  |                   | 2,480   |                          |  |                  | 4,770   |      |  |   | 11,620  |      |  |   | 550     |      |  |
| Preferredstockdividends                                                                                    |  |                 | 8,970   |                  |  |                   | — |                          |  |                  | — |      |  |   | — |      |  |   | — |      |  |
| Estimatedinterest factor for rentals (d)                                                                   |  |                 | 8,230   |                  |  |                   | 12,930  |                          |  |                  | 12,460  |      |  |   | 9,730   |      |  |   | 310     |      |  |
| Totalfixed charges                                                                                         |  |                 | 58,290  |                  |  |                   | 90,920  |                          |  |                  | 108,230 |      |  |   | 169,510 |      |  |   | 15,300  |      |  |
| Preferredstock dividends (a)                                                                               |  |                 | — |                  |  |                   | 10,320  |                          |  |                  | 13,090  |      |  |   | 6,430   |      |  |   | 620     |      |  |
| Combinedfixed charges and preferred stock dividends                                                        |  | $                    | 58,290  |                  |  | $                      | 101,240 |                          |  | $                     | 121,320 |      |  | $      | 175,940 |      |  | $      | 15,920  |      |  |
| Ratioof earnings to fixed charges                                                                          |  |                 | — | (b)              |  |                   | — | (b)                      |  |                  | — | (b)  |  |   | — | (b)  |  |   | — | (b)  |  |
| Ratioof earnings to combined fixed charges and preferred stockdividends                                    |  |                 | — | (c)              |  |                   | — | (c)                      |  |                  | — | (c)  |  |   | — | (c)  |  |   | — | (c)  |  |
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| (a) | Basedon the Company's effective tax rate, represents the amount ofincome before provision for income taxes required to meet the preferredstock dividend requirements of the Company and its 50% ownedcompanies. |

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| (b)  | Results ofoperations for the six months ended June 27, 2004, years ended December28, 2003, December 29, 2002 (as restated) and December 31, 2001 (asrestated) and the 34 days ended December 31, 2000 (as restated) areinadequate to cover fixed charges by $12,730, $63,290, $67,680, $38,110and $41,820,respectively |

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| (c)  | Results ofoperations for the six months ended June 27, 2004, years ended December28, 2003, December 29, 2002 and December 31, 2001 and the 34 days endedDecember 31, 2000 are inadequate to cover fixed charges and preferredstock dividends by $12,730, $73,610, $79,690, $44,540 and $42,440,respectively. |

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| (d)  | Deemed torepresent one-third of rental expense on operating leases. |

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