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Japan's Type 98 Ke-Ni, Type 2 Ke-To

Design

Type 98 Ke-Ni

Hino Motor Company and Mitsubishi competed with their designs for a tank that was to replace the Type 95 Ha-Go.3 The Hiro design proved to have better cross country capabilities and was selected to become the Type 98 Ke-Ni.3

One of the tanks designers was General Hara.4

Driver was positioned in front in the center and had steering wheel control.

Muzzle velocity of the 37 mm Type 100 was 2,493 ft/sec.4

Type 2 Ke-To

Hino changed the Type 98 Light Tank to have a 37 mm Type 1 gun in a roomier turret.3 This became the Type 2 Ke-To.3

Production

The Type 98 Ke-Ni wasn't produced in great quantities as there were difficulties retooling the factories and the overall need for light tanks had diminished.4 The Japanese Army delayed the production until 1942 as it felt that the Type 98 wasn't needed anymore.3

  • Type 98 Ke-Ni: 100
    • Production: 1942 - 1943
  • Type 2 Ke-To: 29
    • Production: 1944

Variants

  • Type 98-B Ke-Ni: Had Christie type suspension with 4 road wheels, but never entered production.
  • Type 2 Ke-To: Same as the Ke-Ni but with a newer 37 mm gun. Had a cylindrical turret.4 Model 1 37 mm gun. Muzzle velocity of 2,625 ft/ sec. All-welded construction.

Specifications

  Type 98 Ke-Ni A
Crew Commander, gunner-turret, driver
32,4
Physical Characteristics  
Weight 7.2 tons2
16,000 lb
Length 13' 5.5", 13.46'2
Height 5' 11.5", 5.96'2
Width 6' 11.5", 6.96'2
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main

37 mm Type 1004
37 mm2

Secondary  
MG 7.7 mm Model 97 MG coaxial
2: 7.7 mm MG2
7.7 mm MG, coaxial4
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm) 6 - 162
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Type 1004
Air cooled2,4
Cylinders 62
Net HP 1304, 1502
Transmission  
Fuel type Diesel2,4
Octane  
Capacity  
Performance  
Traverse 360°
Speed - Road 31.1 mph2, 32 mph4, 34 mph
Speed - Cross Country  
Range - Road 100 miles, 190 miles4
Turning Radius  
Elevation Limits  
Fording depth 2' 3"
Trench crossing 6' 7"
Vertical Obstacle  
Suspension (Type) See-saw type4
Wheels each side 6 grouped in 3 bogies4
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  
  Type 98 Ke-Ni B
Crew  
Physical Characteristics  
Weight  
Length  
Height  
Width  
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main  
Secondary  
MG  
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm)  
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model)  
Cylinders  
Net HP  
Transmission  
Fuel type  
Octane  
Capacity  
Performance  
Traverse  
Speed - Road  
Speed - Cross Country  
Range - Road  
Turning Radius  
Elevation Limits  
Fording depth  
Trench crossing  
Vertical Obstacle  
Suspension (Type) Christie2
Wheels each side 42
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  
  Type 2 Ke-To
Crew 31,2
Physical Characteristics  
Weight 7.09 tons1, 7.2 tons2
7,200 kg1
Length 13' 6"1, 13.46'2
4.11 m1
Height 5' 11"1, 5.96'2
1.82 m1
Width 6' 11"1, 6.96'2
2.12 m1
Ground clearance  
Ground contact length  
Ground pressure  
Turret ring diameter  
Armament  
Main 37 mm Model 1
37 mm Type 11
37 mm2
Secondary  
MG 7.7 mm MG1,2
Side arms  
Quantity  
Main  
Secondary  
MG  
Side arms  
Armor Thickness (mm) 6 - 162
161
Hull Front, Upper  
Hull Front, Lower  
Hull Sides, Upper  
Hull Sides, Lower  
Hull Rear  
Hull Top  
Hull Bottom  
Turret Front  
Turret Sides  
Turret Rear  
Turret Top  
Engine (Make / Model) Mitsubishi Type 1001, air cooled2
Cylinders I-61
Net HP 1301, 1502
Transmission  
Fuel type Diesel1,2
Octane  
Capacity  
Performance  
Traverse  
Speed - Road 31 mph1, 31.1 mph2
50 kph1
Speed - Cross Country  
Range - Road 116 miles1
186 km1
Turning Radius  
Elevation Limits  
Fording depth  
Trench crossing  
Vertical Obstacle  
Suspension (Type)  
Wheels each side  
Return rollers each side  
Track length  
Tires  
Track width  
Track centers/tread  

Sources:

  1. The Encyclopedia of Tanks and Armored Fighting Vehicles - The Comprehensive Guide to Over 900 Armored Fighting Vehicles From 1915 to the Present Day, General Editor: Christopher F. Foss, 2002
  2. Tanks of the World, 1915-1945, Peter Chamberlain, Chris Ellis, 1972
  3. Japanese Tanks 1939-45, Steven J. Zaloga, 2007
  4. Tanks of World War II, Duncan Crow, 1979
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