Minotaurs are Monstrous Humanoids. They can take levels as Fighters , Clerics , Sorcerers and Barbarians.
The Minotaur Berserker has levels of Barbarian as well as the base Minotaur template. This gives them a better AC,HP and BAB. They also have access to the Barbarians Rage ability adding +4 to Strength, +4 to Constitution , +2 Will saves , but -2 to AC.
Being Chaotic evil makes them vulnerable to Axiomatic and Holy weapons, as well as the appropriate Bane weapon.
They have a special charge attack. When making this charge they gain +9 attack bonus and deal 4d6+6 points of damage.