Type 4 Chi-To Medium Tank

The Type 4 Chi-To part of the tank project with a 57 mm gun class which was later upgraded to a 75 mm.

Variants:
1.
Name: Type 4 Chi-To Prototype
Type: Medium Tank
Origin: Japan
Year: 1942
Produced: ~1

Length: 6.34 Meters
Width: 2.83 Meters
Height: 2.77 Meters
Weight: 30000 Kilograms
Speed: 45 km/h

Crew: 5

Primary Armament:
-57 mm Cannon OR
-75 mm Model 2 OR
-75 mm Type 3 OR 
-75 mm Type 5
Secondary Armament:
-7.7 mm Type 97 (2)

Armor:
-Hull
75 mm Front
35 mm Side
35 mm Rear
20 mm Top
50 mm Bottom
-Turret
75 mm Front
50 mm Side
35 mm Rear
20 mm Top

2.
Name: Type 4 Chi-To Production
Type: Medium Tank
Origin: Japan
Year: 1944?
Produced: 0

Length: 6.34 Meters
Width: 2.83 Meters
Height: 2.77 Meters
Weight: 30000 Kilograms
Speed: 45 km/h

Crew: 5

Primary Armament:
-75 mm Model 2 OR
-75 mm Type 3 OR 
-75 mm Type 5
Secondary Armament:
-7.7 mm Type 97 (2)

Armor:
-Hull
75 mm Front
35 mm Side
35 mm Rear
20 mm Top
50 mm Bottom
-Turret
75 mm Front
50 mm Side
35 mm Rear
20 mm Top

Sources:
Rickard, J (25 August 2008), Type 4 Chi-To Medium Tank, http://www.historyofwar.org/articles/weapons_type_4_chi_to.html
http://ftr.wot-news.com/2013/09/23/type-4-chi-to-upcoming-tier-5-medium-tank/
http://www.tanks-encyclopedia.com/ww2/jap/Type_4_Chi-To.php