Panzer II variants the Pz.Kpfw. IIJ, it was redesigned after the Panzer V Panther, most noticeably with the introduction of fully sloped frontal armor. Two versions were initially planned, a lighter, faster 18-ton variant and a slower, 26-ton vehicle; the former was abandoned at an early stage. Subsequently, work on the first prototype was abandoned when it was determined that the vehicle was underarmed for its weight, and versions of the Panzer IV and V could serve just as well in the reconnaissance role while being more capable of defending themselves. This vehicle never received an official Panzerkampfwagen title, but it would have
8th Panzer Division (Wehrmacht) to the 8th Panzer Division in the winter of 1939. As part of the reorganization its reconnaissance regiment of two battalions was split, one going to the 10th "Panzer Division" and the other staying with the 8th Panzer Division. The two battalions comprising the 10th Panzer Regiment from East Prussian were added, as was the 8th Rifle Brigade, which now controlled the 8th Rifle Regiment of three battalions and the 8th Motorcycle Battalion. The panzer battalions were equipped primarily with Czech tanks and Mk II light tanks, leaving the 8th Panzer Division with a total of 212 tanks (58 Mk