RA-89 Heavy Tank, "Big Bertha" was named by her commander who named his tank after his wife.
Top speed: 37mph
engine: 18 cylinder with 860 horsepower
weight: 64 tons
Crew: 1 commander, one driver, one gunner, one reloader and one radio operator
Weapon: 140mm main cannon (Yeah, that's why she's named "Big Bertha")
3 and half hours working on it.
100%PMG and please click for larger image for amazing details!