EXHIBIT 12.1 TEREX CORPORATION CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (amounts in millions) Three Months Ended March 31, ------------------------ 2001 2000 ------------ ----------- Earnings Income (loss) before taxes and minority interest.... $ 18.2 $ 29.5 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..................................... 22.8 27.6 ------------ ----------- Earnings............................................ 41.0 57.1 ------------ ----------- Combined fixed charges, including preferred accretion Interest expense, including debt discount amortization...................................... 21.0 26.0 Accretion of redeemable convertible preferred stock --- --- Amortization/writeoff of debt issuance costs........ 0.6 0.9 Portion of rental expense representative of interest factor (assumed to be 33%)............... 1.2 0.7 ------------ ----------- Fixed charges....................................... $ 22.8 $ 27.0 ------------ ----------- Ratio of earnings to combined fixed charges........... 1.8x 2.1x ============ =========== Amount of Earnings deficiency for coverage of combined fixed charges............................ $ --- $ --- ============ ===========