Comparison of the Japanese Type 10, Type 90 and Type 74 Main Battle Tanks. - The Type 74 is a 2nd generation main battle tank that was intended to replace the Type 61 and incorporated features from other main battle tanks from the same era like the M60 Patton and the Leopard 1. It features the Royal Ordnance L7 105mm rifled gun with an autoloader and has a controllable hydropnematic suspension derived from the US - German MBT-70 project. It armor is made up of 80mm/35mm/25mm rolled homogeneous s