The M4 medium with a welded hull and Whirlwind radial aircraft motor was in fact another types of the series to place into manufacturing. Because of the fact war dragged in, many changes had been developed to the M4, the changes related to last drive housing, the hefty VVSS suspension system system system, several types of road tires, included- on armor though the 75mm main weapon in addition to the 56 degree glacis meals stays un-changed. Until one last version of hull combining a cast front and a welded backside! The kit supplies the available talked road tires with details because of the small oil plug, the appliqu armors and both very early M34 gun mount as well as the M 34A 1 combination tool mount.