The T23E4 was cancelled before the design was completed, but the T23E3 prototype was completed and the torsion bar suspension was found to have reduced the ground pressure by 20% compared to the T23.
Návrh typu T23E4 bol prerušený pred dokončením, ale typ T23E3 bol dokončený a odpruženie pomocou torzných tyčí znížilo záťaž tanku o 20% v porovnaní s typom T23.