wwii us army light tank stuart m3a3 caterpillar drive cogwheel detail

absorber allied antique armed armored army battle bogie caterpillar complex day dismantled down drive equipment fashioned forces freedom green heavy industry land large m3a1 machine mechanism military museum obsolete old olive part propelled rack rapid ratchet retro rubber run self shock steel stuart style tank technology teeth toughness track usa vehicle war weapon wheel wwii