Warboss in Megaarmour
Kustom Shoota is 18", Assault 4, S4, AP0, Dam0
Power Klaw is Sx2, AP-3, DamD3, -1 to Hit
Can replace Kustom Shoota with any item from Shootas or Special Weapons
Has Mob Rule, 'ere we go!
Waaagh! = Ork infantry within 6" can Charge and Advance in the same turn.
Smash heads = Can deal D3 mortal wounds to a nearby Ork mob to cancel the result of a failed Morale test.

Battlewagon

Rokkit Launcha is 24", Assault 1, S8, AP-2, DamD3
Big Shoota is 36", Assault 3, S5, AP0, Dam1
Cannonsomethingsomething pick a profile
Frag is 36", Heavy D6, S4, AP0, Dam1
Krak/Massive 36", Heavy 1, S8, AP-2, DamD6
Tank Kannon 24", Heavy D6, S7, AP-2, Dam2
Bombard(?) is 48", Heavy D6, S5, AP0, Dam1, can fire indirectly
Zzapgun is 36", Heavy 1, S2D6, AP-3, Dam3, if you get a 11+ on S it deals 3 mortal wounds instead
Crushing Ball S+1, AP-1, Dam1, cannot quite read all it says in the notes, but something about limiting the number of attacks to 3
Megagrabber (?) is SUser, AP-3, DamD3, can only attack once with this
Death-Rolla is SUser, AP-2, Dam1, this weapon hits on 2+
Explodes at 0 Wounds on a 6, dealing 6 mortal wounds within 6"
Closed up: Has T8 but loses open-topped
Moving Fortress: Ignores the penalty for moving and shooting Heavy weapons
Open-topped: Units embarked can shoot from it, but cannot do so while the unit is within melee range of an enemy unit.
Can carry 20 Ork infantry models, models in mega-armour take two spots. If you have taken the tank gun it can only transport 12 models.

Stompa
Weapons:
Gitrokkit can only be fired once per shooting phase, once per game (i don't even understand it in German?)
Deffkannon changes to Heavy2D6 when shooting at units of 20+ models

Choppa, two profiles. 2nd profile: 3 hits instead of one per attack
Abilities:
Can escape out of combat and still shoot, even when going "over" enemy infantry (must stay away 1" after movement though), doesn't suffer penalties for moving and shooting
Megablasta can be fired more than once per shooting phase:
Second shot: Roll a D6, at 2+ you fire a second time
At 1 it cannot be fired anymore for the rest of the game
Third shot: same as above, but at 5+ and 4-
Units in a radius of 6" can reroll failed morale
Special Rules are
'ere we go
Explodes at 0 Wounds on a 6 it deals D6 mortal wounds to units within 2D6"
Big and stompier: Can Fall Back and shoot or charge in the same turn. Can move over enemy models. Can shoot heavy weapons and move without penalty. Has to be more than 50% covered to gain cover bonuses.
Psychi-Dakka-Blasta! Can fire his Super-Megablasta more than once. Do so roll a D6, on a 2+ you can fire it again, on a 1 the ammo is used up and you cannot use the weapon anymore for the rest of the battle. For a third time the roll is 4+.
Orkish Icon: Friendly Units within 6" of a Stompa can re-roll failed Morale tests.
Can transport 20 Ork infantry models. Models in mega armour take two spots.