Allis-Chalmers-built artillery tractor kit; prime mover for the 155mm Long Tom, 8” howitzer, and M1 240mm howitzer (artillery not included). Features detailed suspension, exterior, and full interior with engine. Also includes vinyl track lengths, separately molded doors/hatches and on-vehicle tools, die-cut window masks, cloth cord for cable, brass chain, and photo-etched parts (engine screens, handholds, windshield wipers, driving light guards, various brackets, and additional details). Decals for US Army vehicle in overall OD.