In April 1943 the third version, the LVT-3 Bushmaster, introduced a rear ... essentially making it a floating tank. The Water Buffalo, and its enhancements over previous versions, made it the ...

While Cadillac only made three tanks, its other exploits included building the M8 75mm Howitzer Gun Carriage, the M19 anti-aircraft gun, and the LVT ... tank, referred to as the M1913 "3-ton".