The M3 half-track adds Medium (Fast) speed and improves the armored infantry’s Reaction to 4D.

US Armoured Infantry with M3 Half-track Type: Mechanized Infantry Move: Average (Fast) Reliability: Good Reaction: 4D Weapon: Rifles and .30 machine gun Range: 4/8/16 FP: 5D AT: - Weapon: Bazooka Range: 1/3/5 FP: - AT: 6D Notes: Rapid deployment. High firepower. Deployed anti-tank teams.

The stummel (stump) is equipped with a 75L24 gun and provides HE support to gepanzert panzergrenadier platoons.
The 251/2 carries an 81mm mortar platoon. The mortar is fired from the 251/2 with no additional penalties. It is still subject to the normal penatlies when making a Double or Triple move.
The SdKfz 251/1 improves the Pak-40’s Reaction Dice and negates its +2 TN penalty when attacked in Close Assault.

