EXHIBIT 12.1 TEREX CORPORATION CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (amounts in millions) Three Months Ended Nine months Ended September 30, September 30, ------------------------- ------------------------- 2000 1999 2000 1999 ------------ ------------ ----------- ------------- Earnings Income (loss) before taxes and minority interest.............................. $ 80.0 $ 31.0 $ 147.7 $ 88.9 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......................... 28.2 21.8 83.3 53.7 ------------ ------------ ----------- ------------ Earnings................................ 108.2 52.8 231.0 142.6 ------------ ------------ ----------- ------------ Combined fixed charges, including preferred accretion Interest expense, including debt discount amortization................. 26.0 20.0 77.7 48.9 Accretion of redeemable convertible preferred stock........................ --- --- --- --- Amortization/writeoff of debt issuance costs................................. 0.9 0.6 2.7 1.7 Portion of rental expense representative of interest factor (assumed to be 33%)................... 1.3 1.2 2.9 3.1 ------------ ------------ ----------- ------------ Fixed charges........................... $ 28.2 $ 21.8 $ 83.3 $ 53.7 ------------ ------------ ----------- ------------ Ratio of earnings to combined fixed charges............................... 3.8x 2.4x 2.8x 2.7x ============ ============ =========== ============