Official Guide Book info(no model numbers or specs sadly):
-Zansgatt has left chest Gatling Cannon, Pin Bullet is actually mounted on legs and waist side armor.
-Zacks carrying fiream is a Beam Gun
-Re G-IT carrying fiream is a Beam Machinegun
-Poligit can purge it's large back thruster
-Alincato weapons are: nose Mega Beam Launcher, nose 12tube missile, side Beam Cannon
-F-Rug has small Vulcan, Doubey has air-to-air missiles and machinegun
-Flyschop has air-to-air missiles
-Guinea Bissau has I-Field, 2x 3-barrel Main Gun, 2 2-barrel Secondary Gun and antiaircraft machineguns all over
-Hecate confirmed to have head Vulcans
-Wuxia confirmed to have arm Beam Vulcans
-Zgokky confirmed to have center excavator Beam Cannon
-Conque de Venus has more than 100m span
-Elmoran was deployed in smaller quantities than Moran, Bazooka fires solid ammo melee is a Long Beam Sword
-Kashiba Mikoshi is totally unarmed
-Trinity's funnels are called Arm Funnels and Leg Funnels
-Takehiro Ishimoto did the Poligit cleanup.
Also the Armorzagan has missile launchers instead of the anime shown Beam Vulcans under the large boosters. There's even lineart for the missile itself.
http://i.imgur.com/eEGCuwH.jpg
http://i.imgur.com/6GOjLil.jpg
http://i.imgur.com/zuF01GQ.jpg
For the rest of the specs we have to wait for next month Futabasha mook and Gundam Weapons to see if they will publish them