EXHIBIT 12.1 TEREX CORPORATION CALCULATION OF RATIO OF EARNINGS TO FIXED CHARGES (amounts in millions) Year Ended December 31, --------------------------------------------------------------------------- 1999 1998 1997 1996 1995 -------------- ------------- ------------- ------------- ------------ Earnings Income (loss) before taxes and minority interest.................................... $ 98.4 $ 74.5 $ 31.0 $ (42.2) $ (32.1) 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............................... 88.4 52.4 49.0 72.2 50.4 ----------- ------------ ----------- ----------- ----------- Earnings...................................... 186.8 126.9 80.0 30.0 18.3 ----------- ------------ ----------- ----------- ----------- Combined fixed charges, including preferred accretion Interest expense, including debt discount amortization................................ 82.8 47.2 39.4 45.2 39.5 Accretion of redeemable convertible preferred stock........................ --- --- 4.8 22.9 7.3 Amortization/writeoff of debt issuance costs.. 2.6 2.1 2.6 2.6 2.3 Portion of rental expense representative of interest factor (assumed to be 33%)......... 3.0 3.1 2.2 1.5 1.3 ----------- ------------ ----------- ----------- ----------- Fixed charges................................. $ 88.4 $ 52.4 $ 49.0 $ 72.2 $ 50.4 ----------- ------------ ----------- ----------- ----------- Ratio of earnings to combined fixed charges..... 2.1x 2.4x 1.6x (1) (1) =========== ============ =========== =========== =========== Amount of earnings deficiency for coverage of combined fixed charges....................... $ --- $ --- $ --- $ 42.2 $ 32.1 =========== ============ =========== =========== =========== (1) Less than 1.0x