i think you mean T-34, not T34, because T-34 is a Soviet Medium tank and T34 is a American Super Heavy Tank.

By now you probably looked it up and already prooved your stupid ass wrong but if you didn't dumbass the T34 was a super heavy tank that was designed to counter the tiger 2 and potentially the maus if it was put into service. Before that the T29 and the T30 were preduced after the T32 was designed, which was based off the M26 pershing that was put into service in late 1944 early 1945. The T34 basically the T29 and the T30 because they were the same tank hull and turret.  But, they all had different guns. The T29 had a 105mm gun that was stonger than the Tiger 2's 88mm gun. The t30 had a 155mm gun that was very powerful but expensive to make and took too long to reload.  The T34 had a 120mm anti-aircraft gun installed in the turret and was the last design of the super heavy tank project.  All three models were going to be preped up and put into service, put thankfully the war ended. Unfortunatly the tanks were never needed for service and they were put on display for tourist attractions. But, the design of the models led to the design of the new heavy tank, the M103. So there you have it. You're knowledge isn't quite there kid.

But Americans also had their own T34 (not T-34). So please don't
 brag beacouse aurvandil has right. :)