Этот тект может помочь?
Т50 это APCBC-HE для длинной 90мм-американской пушки. ( M26E1 & T32 )
There is a round for T34. It is 120 mm T14 APCBC. Rumor says that it has HE filler on it.
One source saying it was called "Shot" T14, means solid AP in American designation from their documents.
To make it detail:
Shot = Solid APBC / APCBC
Projectile = APBC-HE / APCBC-HE
Shell = HE
As you know, the T14 is called "shot", so it's Solid APCBC.
BUT there is something else hinting that the T14 is an APCBC-HE instead.
One source saying it was an upscaled 90 mm T50 APCBC-HE, basically a hardened 90 mm M82 Late APCBC-HE.
Now, to take it into perspective,
90 mm M82 Late has 140 gr Exp. D filler.
90 mm T50 is basically a hardened M82, so it has the same filler (140 gr).
If 120 mm T14 is a scaled up T50, extrapolate its weight, then it would have estimated HE filler of 255 gr Exp. D.
It is not strange, though.
Remember "The Deadly T29"?
It uses the infamous 105 mm T13 APCBC-HE, right? The one that one-shots everyone including King Tiger.
Well, that T13 APCBC-HE itself is also actually an upscaled round from 75 mm M61 APCBC-HE. Extrapolate it, then you have 180 gr Exp. D, perfectly modeled in game.
So I would not be surprised if the T14 might going to be either solid APCBC or APCBC-HE.