the ship had an overall length of , a beam of and a draught of . she was powered by 2 triple expansion reciprocating steam engines, driving two shafts, which developed a total of and gave a maximum design speed of . during the trials the contract speed was exceeded, and the vessel was clocked at . steam for the turbines was provided by two double-ended yarrow boilers. during the trials "pará" ran to the ton of coal. the vessel carried a maximum of of coal that gave her a range of about at .