网页2013年10月1日 · It necessitated a longer hull (same as the M4A6),[3] becoming the M4A4;[3] most of these were supplied to Allied countries under Lend-Lease.[3] In a February 1944 advertisement on the magazine Popular Science, Chrysler claimed the A57 could still move the tank it was fitted in even if 12 out of its 30 cylinders were knocked out.[4]