EXHIBIT 12 TEREX CORPORATION CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (amounts in millions) Three Months Ended Nine Months Ended September 30, September 30, ----------------------- ----------------------- 2003 2003 2004 Restated 2004 Restated ---------- ---------- ---------- ---------- Earnings: Income (loss) before income taxes .................... $ 48.6 $ 12.3 $ 143.5 $ (33.0) Adjustments: Minority interest in losses of consolidated subsidiaries .................................... -- -- -- -- Undistributed (income) loss of less than 50% owned investments ............................... -- -- -- -- Distributions from less than 50% owned investments ..................................... -- -- -- -- Fixed charges .................................... 29.6 28.2 87.7 91.4 ---------- ---------- ---------- ---------- Earnings ........................................... 78.2 40.5 231.2 58.4 ---------- ---------- ---------- ---------- Fixed charges, including preferred accretion: Interest expense, including debt discount amortization ...................................... 23.2 23.3 69.1 75.8 Accretion of redeemable convertible preferred stock ............................................. -- -- -- -- Amortization of debt issuance costs ................ 1.0 1.2 3.7 3.9 Portion of rental expense representative of interest factor (assumed to be 33%) ............... 5.4 3.7 14.9 11.7 ---------- ---------- ---------- ---------- Fixed charges ...................................... $ 29.6 $ 28.2 $ 87.7 $ 91.4 ---------- ---------- ---------- ---------- Ratio of earnings to fixed charges ................... 2.6x 1.4x 2.6x --(1) ========== ========== ========== ========== Amount of earnings deficiency for coverage of fixed charges ....................................... $ -- $ -- $ -- $ 33.0 ========== ========== ========== ========== (1) Less than 1.0x