 They were fitted with four Kampon geared steam turbine sets with a total of 152 @,@ 000 shaft horsepower ( 113 @,@ 000 kW ) , each driving a 3 @.@ 9 @-@ meter ( 13 ft ) propeller . Steam was provided by eight Kampon Ro Gō @-@ type three @-@ drum water @-@ tube boilers that operated at a pressure of 22 kg / cm2 ( 2 @,@ 157 kPa ; 313 psi ) and temperature of 300 ° C ( 572 ° F ) . The ships had a designed speed of 35 knots ( 65 km / h ; 40 mph ) . They carried 2 @,@ 163 tonnes ( 2 @,@ 129 long tons ) of fuel oil which gave them an estimated range of 6 @,@ 300 nautical miles ( 11 @,@ 700 km ; 7 @,@ 200 mi ) at 18 knots ( 33 km / h ; 21 mph ) . Electrical power was supplied by three 300 @-@ kilowatt ( 400 hp ) turbo generators and two 200 @-@ kilowatt ( 270 hp ) diesel generators . 
