T20 Series
Ford GAN V8 engine with torque converter and Hydra-matic transmission
T20: 76 mm gun M1 and horizontal volute suspension
T20E1: 75 mm automatic gun and horizontal volute suspension. This version was cancelled and the turret used on the T22E1
T20E2: 3 inch gun and torsion bar suspension. Completed as the T20E3.
T20E3: 76 mm gun and torsion bar suspension
Of the above only the T20 and T20E3 were completed, the T20E3 being converted from the T20E2 prototype. The T20 series was deemed unsuccessful on the grounds that the transmission was subject to excessive oil leaks and overheating.
Read more about this topic: T20 Medium Tank
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