| Armament | 2-15cm gun, 2-8cm AA gun, 4-25mm AA, 2 catapults, 12 or 8 aircraft |
|---|
| Name | Owner | Tonnage | Launched | Mobilized | |
|---|---|---|---|---|---|
| Kagu-Maru | Kokusai Line | 6807 | 1936 | 1937. 8.25 | 1938.12.15 demobilized 1944.11. 4 sunk (torpedoed, W of Philippines [15.54N, 119.45E] |
| Kamikawa-Maru | Kawasaki Line | 6853 | 1937 | 1937. 9.18 | 1938.12. 5 aircraft transport 1939.11.15 T-VT 1943. 5.28 sunk (torpedoed, New Ireland I) [01.00S, 150.18E] |
| Kunikawa-Maru | Kawasaki Line | 6863 | 1937 | 1942. 7.14 | 1945. 5.21 sunk (torpedoed, South China Sea) [14.30N, 115.48E] |
| Kimikawa-Maru | Kawasaki Line | 6863 | 1937 | 1941. 7.25 | 1943.10. 1 T-TP 1944.10.23 sunk (torpedoed, W of Philippines [18.58N, 118.46E] |
| Kiyokawa-Maru | Kawasaki Line | 6863 | 1937 | 1941.10. 5 | 1942.12. 1 T-TP 1943. 4. 1 T-VT 1943.10. 1 T-TP 1945 demobilized |
| Kinugasa-Maru | Kokusai Line | 8407 | 1936 | 1937. 9.27 | 1938. 4.28 demobilized 1944.10. 7 sunk (air attack, Macassar Strait) [01.15S, 116.50E] |
| Sagara-Maru | NYK | 7189 | 1940 | 1941. 9.20 | 1942.12. 1 T-TP 1943. 6.23 damaged (torpedoed, Omaezaki) [34.52N, 138.20E] |
| Sanuki-Maru | NYK | 7189 | 1939 | 1941. 9. 5 | 1942.12. 1 T-TP 1945. 1.28 sunk (torpedoed, off Shanghai) [33.55N, 122.55E] |
| Sanyo-Maru | OSK Line | 8360 | 1930 | 1941. 8.15 | 1943.10. 1 T-TP 1944. 5.26 sunk (torpedoed, off Menado) [02.46N, 124.22E] |