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 2002 2003 2002 Earnings Income (loss) from continuing operations before income taxes and cumulative effect of change in accounting principle...........$ 19.0 $ 16.4 $ (25.7) $ 43.4 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.............................. 27.9 27.7 90.4 76.6 ------------ ------------- ------------- ------------- Earnings..................................... 46.9 44.1 64.7 120.0 ------------ ------------- ------------- ------------- Fixed charges, including preferred accretion Interest expense, including debt discount amortization............................... 23.0 22.1 74.8 65.9 Accretion of redeemable convertible preferred stock........................... --- --- --- --- Amortization of debt issuance costs 1.2 1.2 3.9 3.2 Portion of rental expense representative of interest factor (assumed to be 33%)........ 3.7 4.4 11.7 7.5 ------------ ------------- ------------- ------------- Fixed charges................................$ 27.9 $ 27.7 $ 90.4 $ 76.6 ------------ ------------- ------------- ------------- Ratio of earnings to fixed charges............. 1.7x 1.6x --- 1.6x ============ ============= ============= ============= Amount of earnings deficiency for coverage of fixed charges................................$ --- $ --- $ 25.7 $ --- ============ ============= ============= =============