Iu-40 Self-Propelled Gun

A Soviet-designed self-propelled gun that was intended to replace the SU-100, but its development was halted due to the war ending.

Iu-39 Tank

A Soviet-designed tank that was intended to replace the T-34, but was never mass-produced due to its complex design and limited production capacity.

Iu-38 Armored Personnel Carrier

A Soviet-designed armored personnel carrier that was intended to replace the BA-64, but was never mass-produced due to its complex design and limited production capacity.

Iu-37 Mortar

A Soviet-designed mortar that was intended to replace the 82mm Mortar, but its development was halted due to the war ending.

Iu-36 Machine Gun

A Soviet-designed machine gun that was intended to replace the DP-27, but was never mass-produced due to its complex design and limited production capacity.

Iu-35 Submachine Gun

A Soviet-designed submachine gun that was intended to replace the PPSh-41, but was never mass-produced due to its limited production capacity.

Iu-34 Assault Rifle

A Soviet-designed assault rifle that was intended to replace the SVT-40, but was never mass-produced due to its complex design and limited production capacity.

Iu-33 Rocket Launcher

A Soviet-designed rocket launcher that was intended to replace the BM-13, but its development was halted due to the war ending.

Iu-32 Anti-Tank Gun

A Soviet-designed anti-tank gun that was intended to replace the ZiS-3, but its development was halted due to the war ending.

Iu-31 Trainer Aircraft

A Soviet-designed trainer aircraft that was intended to replace the Yak-11, but was never mass-produced due to its limited production capacity.