T6 Medium Tank

The T6 Medium Tank was a further development of the M3 Lee and the direct precursor to the M4 Sherman. The tank was accepted into service (slightly modified) as the M4 and spawned many variants.

Variants:
1.
Name: T6
Type: Medium Tank
Origin: United States
Year: 1941
Produced: 1

Length: 5.638 Meters
Width: 2.717 Meters
Height: 2.921 Meters
Weight: 29937 Kilgrams
Speed: 33 km/h (38 km/h burst)

Crew: 5

Primary Armament:
-12.7 mm M2 (3) OR
-37 mm M6 (2) OR
-57 mm 6-Pounder OR
-75 mm M2 OR
-75 mm M3 OR
-105 mm howitzer OR
Secondary Armament: 
-7.62 mm M1919A4 (5)

Gun Flexibility:
25° Ascension
12° Depression

Armor:
-Hull
51 mm Front
38 mm Side
38 mm Rear
25 mm Top
25 mm Bottom
13 mm Bottom Towards Rear
-Turret
76 mm Front (76 mm Gun Shield)
50 mm Side
50 mm Rear
25 mm Top

Sources:

http://the.shadock.free.fr/sherman_minutia/manufacturer/t6/T6.html
http://ftr.wot-news.com/2013/07/21/t6-upcoming-american-tank/
https://www.docdroid.net/GvUxDFS/sherman-history-american-tanksafvs-of-ww2.pdf.html
Hunnicutt-Sherman