Medium Tank T23.

Compared with the medium tank M4, the T23 featured a much lower hull. Both vehicles used VVS suspension, however the T23 featured a rear drive sprocket. The T23 was not accepted for service due to reasons of excessive maintenance requirements and the potential need to retrain maintenance personnel for its electric drive system, however aspects of the vehicle lived on. The turret formed the basis of the 76mm gun turret seen on the M4 Sherman, and the T26E1 prototype of the M26 Pershing was essentially a heavily-armored T23 armed with a 90mm gun using torsion bar suspension and a more conventional powertrain. The pictured vehicle, however, is not fitted with the production turret shared with the M4 Sherman. This tank is pilot number 2, and the production turret first appeared on pilot number 3. (Picture from Development of Armored Vehicles, volume 1: Tanks.)

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Medium Tank T23.

This side view of the same tank as above illustrates the much lower hull compared with the medium tank M4. The earlier tank's radial engine necessitated a propellor shaft emanating from the center of the piston circle, and in order to clear the turret a relatively tall hull was required. The VVS suspension units on this tank were the same as those found on the M4. (Picture from Tank Data, vol. 2.)

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Medium Tank T23.

This tank is fitted with the production turret, which later found its way onto the M4 Sherman. A large moveable gun shield has replaced the turret front plate with the gun and rotor shield found on the tank above, and the loader was provided with a split hatch. The drivers were provided with two periscopes M6, one in their hatch doors and one in the hull roof just outboard of the ventilator; the periscope mount in the open assistant driver's door is visible. (Picture courtesy Rob Cogan.)

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Last updated 13 Jul 2016.
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