>>59205027The M46 fixed the problems the M26 had it just should have been in service sooner and could have been if not for the lax immediate post-WWII attitude. The US could have also fielded it with more improvements than they did such as including the longer T54 gun. But the money was barely there for the basic upgrade. Even then they didn't stark building them in large numbers until the "oh shit" moments of Korea.
M47 doesn't seem that bad. Probably quite comparable to the Centurions of the same time but it has a bad reputation due to bad Pakistani crews driving into kill zones.
M48 was better still but the Soviets fielding the 100mm gun on the T-54 scared everyone so it often gets disregarded. It took a bit longer to work out the bugs than it ideally should have.
Not the best tanks but certainly not bad ones.