Description lists it as "T29 (T30)". Looks like the T30 Heavy Tank, which was basically the T29 Heavy using a 155 mm cannon rather than the 105mm of the T29. Lack of the "wings" on the turret also implies that it's not the 29.
The T29 lacked the coincidence rangefinder. It was the T29E3 that had it. Hunnicutt mentions that the T29 and T30 were ordered at the same time (OCM 25117 on 14 September 1944). The only differences between the initial T29 pilot and T30 pilot were the gun and the T30 using a Continental AV-1790-3 V12 in place of the Ford GAC V12