The effects of various moisture conditions on the specific cutting energy of the longitudinal cut (90º-0º) in Eucalyptus urophylla S.T. Blake and Corymbia citriodora Hill & Johnson were studied. The boards were submitted, in triplicate, to three different moisture contents: 2% (kiln dried), 12% (equilibrium moisture content in an air conditioning room) and 75% (saturated in water submersion).The material was processed with a circular saw to obtain the specific cutting energy consumption of the longitudinal cut (90º-0º). The data obtained were submitted to analysis of variance, F test and Scott-Knott test, at 5% of significance. The results showed no influence of the species on the specific cutting energy. However, the moisture content significantly influences the specific cutting energy .There was a 44% increase in the specific cutting energy consumption with moisture content reduced from 75% (saturated condition) to 12% (equilibrium condition) and 54% reduction in cutting force when wood dried from 12% to 2% (dry condition) moisture.