The ships had an
overall length of , a
beam of , and a normal draught of . They
displaced , and their crew consisted of 95 officers and enlisted men. The
Enns-class ships were powered by two
triple-expansion steam engines, each driving one shaft, using steam generated by two
Yarrow boilers. The engines were rated at and were designed to reach a top speed of . They carried of
fuel oil. The main armament of the
Enns-class river monitors was a pair of /L45 guns in a single
turret forward of the
conning tower and three /L10
howitzers to the rear, in individual armored cupolas. They also mounted two individual Škoda 7 cm guns|/L50 BAG
anti-aircraft guns, and six
machine guns. The maximum range of their
Škoda L/45 guns was . Their armour consisted of
belt and
bulkheads thick,
deck armour thick, and their conning tower, gun turrets and cupolas were thick. ==Ships==