Gv. 25 (Type 25)

A Japanese heavy tank prototype developed during World War II, designed to be a more powerful and heavily armored heavy tank. It featured a 120mm gun and thick armor, but was never mass-produced due to wartime production constraints.

Gv. 26 (Type 26)

A Japanese light tank prototype developed during World War II, designed to be a more agile and versatile light tank. It featured a 47mm gun and lighter armor, but was never mass-produced due to wartime production constraints.

Gv. 11 (Type 11)

A Japanese light tank prototype developed during World War II, designed to be a more agile and versatile light tank. It featured a 37mm gun and lighter armor, but was never mass-produced due to wartime production constraints.

Gv. 12 (Type 12)

A Japanese medium tank prototype developed during World War II, designed to be a more powerful and heavily armored medium tank. It featured a 75mm gun and thick armor, but was never mass-produced due to wartime production constraints.

Gv. 13 (Type 13)

A Japanese heavy tank prototype developed during World War II, designed to be a more powerful and heavily armored heavy tank. It featured a 120mm gun and thick armor, but was never mass-produced due to wartime production constraints.

Gv. 14 (Type 14)

A Japanese light tank prototype developed during World War II, designed to be a more agile and versatile light tank. It featured a 47mm gun and lighter armor, but was never mass-produced due to wartime production constraints.

Gv. 15 (Type 15)

A Japanese medium tank prototype developed during World War II, designed to be a more powerful and heavily armored medium tank. It featured a 75mm gun and thick armor, but was never mass-produced due to wartime production constraints.

Gv. 16 (Type 16)

A Japanese heavy tank prototype developed during World War II, designed to be a more powerful and heavily armored heavy tank. It featured a 105mm gun and thick armor, but was never mass-produced due to wartime production constraints.

Gv. 17 (Type 17)

A Japanese light tank prototype developed during World War II, designed to be a more agile and versatile light tank. It featured a 37mm gun and lighter armor, but was never mass-produced due to wartime production constraints.

Gv. 18 (Type 18)

A Japanese medium tank prototype developed during World War II, designed to be a more powerful and heavily armored medium tank. It featured a 75mm gun and thick armor, but was never mass-produced due to wartime production constraints.