Type KD7
Units 10 (none survived)
Ships I-176, I-177, I-178, I-179, I-180, I-181, I-182, I-183, I-184, and I-185.
Year(s) Completed 1942-1943
Displacement 1,833 tons / 2,602 tons
Dimensions 346 ft x 27 ft x 15 ft
Machinery 2 diesels: 8,000 hp
electric motors: 1,800 hp
Speed 23 knots / 8 knots
Range 8,000 nm @ 16 knots
Armament 6x533mm TT fwd (none aft) + 1x12cm/50 cal. (12 Torpedoes)
Max. Depth 80 m (265 feet)
Crew 86 officers and men