Sea Weapons

Heavy Cruiser (1938)

Tone class

Preceded by:

None

Succeeded by:

None

Datafile

ClassTone
TypeHeavy Cruiser
Year1939
Crew850
Dimensions
Length189.1 m (pp)
198 m
Beam18.5 m
Draught6.5 m
Displacement
Empty11,215 t
Loaded13,110 t
Maximum15,200 t
Performance
Speed65 km/h
Range14,816 km @ 33 km/h
Machinery
Shafts4
Turbines4 x Geared steam
152,000 hp
Kampon
Boilers8 x Kampon
FuelOil: 2,690 t
Armament
Main8 x 203-mm/50 (4 x 2)
20cm/50 Type 3 Mk. 2
-5° / +55°

Anti-Aircraft8 x 127-mm (4 x 2)
12.7cm/40 Type 89
12 x 25-mm (6 x 2)
25mm/60 Type 96
55-62 x 25-mm (8-12 x 3, 4 x 2, 18-23 x 1)
25mm/60 Type 96
Torpedo tubes4x3 x (24-in)
Broadside1,007 kg
Armor
Belt99 - 145 mm
Deck30 - 66 mm
Gun turret25 mm
Sensors
RadarType 21
Type 13
Type 22
Aircraft
Aircraft6
Production
Built2
Total2

Registry

Ship Code Builder Laid Launch Comm Decomm Fate
Tone Mitsubishi01/12/193421/11/193720/11/193824/07/1945 Loss by aircraft
Chikuma Mitsubishi01/10/193419/03/193820/05/193925/10/1944 Loss by aircraft