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Ch. III
 
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Japanese Tanks and Tank Tactics
Military Intelligence Service, Special Series No. 26, November 15, 1944
[DISCLAIMER: The following text is taken from a WWII U.S. War Department Special Series publication. As with all wartime intelligence information, data may be incomplete or inaccurate. No attempt has been made to update or correct the text. Any views or opinions expressed do not necessarily represent those of the website.]

Chapter III: Equipment

A curious and somewhat ingenious Japanese armored vehicle is the Model 93 (1933) Sumida, sometimes called the "armored trolley car", since, by changing wheel rims, it can be used either as a car or an armored "trolley" on railway lines. To change it from a rail to road vehicle, the car is raised by four built-in jacks. The flanged steel tires are removed and solid-rubber tires then are placed over the wheels, an operation taking 10 to 20 minutes. The vehicle then can be driven off the rails onto the road. Substitution of the flanged tires for rubber tires adapts it for rail use. When traveling the set of tires not in use is attached to the sides of the hull.

The engine is in front, and there is a round cupola on the van-shaped hull. Road speed is estimated at about 25 miles per hour, but on rails the vehicle can attain a speed of about 40 miles per hour. Maximum armor thickness is 0.63 inch. The car is armed with one or more heavy machine guns, and there are seven rifle slits.

 
MODEL 93 (1933) "SUMIDA" ARMORED CAR
Approximate specifications
1. Weight  7.5 tons.
2. Length21 feet 6 inches.
3. Width6 feet 3 inches.
4. Height9 feet 8 inches.
5. Ground clearance16 inches.
6. Crew6 men.
7. Armament1 MG mounted in turret. Slits for
    rifles or LMGs.
8. ArmorUp to 16-mm (0.63 inch).
9. Engine40 horsepower.
10. FuelGasoline.
11. VisionDrivers visor slits and gun ports.
Approximate maximum performance
Speed: 
       On rails37 miles per hour.
       On road25 miles per hour.
 

[ TBD ]
Figure 73.—"Sumida" armored car, fitted with rubber tires for road travel.

[ TBD ]
Figure 74.—"Sumida" armored car, fitted wilh flanged steel tires for rail travel. Note that two cars have been coupled back to back, permitting rapid movement in either direction.
 

Model 92 (1932)

The Model 92 (1932) Osaka armored car is widely used by the Japanese. It is believed to be of Japanese design and manufacture, utilizing a standard Japanese commercial chassis. It is rubber tired with dual mounting on the rear wheels. It carries a crew of four or five and is armed with two light machine guns.

 
MODEL 92 (1932) "OSAKA" ARMORED CAR
Approximate specifications
1. Weight  6.4 tons.
2. Length16 feet 5 inches.
3. Width6 feet.
4. Height8 feet 8 inches.
5. Ground clearance11 inches.
6. Crew4 to 5 men.
7. Armament2 MGs.
8. Armor8 to 11-mm (0.32 to 0.43 inch).
9. Engine4 cylinder, 35 horsepower.
10. FuelGasoline.
11. CoolingWater.
Approximate maximum performance
1. Speed37 miles per hour.
2. Range of action150 miles.
 

Naval Type Model 92

Japanese naval landing parties, especially those preparing to assume garrison duties, often are landed with varying numbers of the Model 92 (1932) naval type armored car. It has six disc wheels, which are pneumatic tired, and semielliptical springs. There are auxiliary wheels just to the rear of the front wheels to prevent bellying when the vehicle is crossing rough terrain. Four light machine guns are installed.

 
MODEL 92 (1932) NAVAL TYPE ARMORED CAR
Approximate specifications
1. Weight  7 tons.
2. Length15 feet 9 inches.
3. Width5 feet 11 inches.
4. Height7 feet 6 inches.
5. Ground clearance16 inches.
6. Crew4 men.
7. Armament5 MGs.
8. Armor8 to 11-mm (0.32 to 0.43 inch).
9. Engine6-cylinder, 85 brake horsepower.
10. CoolingWater.
Approximate maximum performance
1. Speed50 miles per hour.
 

[ TBD ]
Figure 75.—Model 92 (1932) naval armored car.
 

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