Wow! Right to left, reading Asian:
M37 (sometimes known as a Dodge Weapon's Carrier)
M135 GMC Deuce and a Half (Best Guess) 6x6 with a GMC 302 6 cylinder in-line, 130 hp gas & GM Hydramatic (aka G-749, M-211)
M35 Reo Deuce and a Half, Possibly 330 Reo powered with an in-line 6, Gas powered...