The first prototype of two legs walking battle tank ever? Maybe... This is the mech from MGS3!
Metal Gear Solid 3 \ The Shagohod \
Design: Sokolov / Granin In service: Unknown Year of Development: 1961 Crew: 2 Combat weight: 152.5 tons Overall lenght: 22.800 mm Height: 8.200 mm Width: 6.400 mm
Armament: 12.7-mm DShKM Heavy Machine Gun x 2, 12.7-mm DShKM AA Machine Gun x1, 100-barrel Machine Gun pod x 1, 9K112 Kobra Surface-to-Air-guided Missile x 6, SS-20 Saber-call nuclear missile x 1, Speed: 80 kph, Range: 650 km