Ordnance

Ground-based artillery
Commonly used weapons in Highdown arsenal:

Sabre Gun Platform
Small static weapons platform that can be disassembled into a trailer and towed by a Centaur with ease, or stored inside a Chimera (three platforms per Chimera)
 * Quad heavy stubber
 * Ludd HAT

Light Artillery Carriage
Two-wheeled carriage suitable for towing by Chimera, Centaur, or two horses.
 * Heavy mortar
 * "Thudd" quad mortar

Heavy Artillery Carriage
Four-wheeled carriage requiring a Chimera, Trojan, or Atlas to properly tow.
 * Earthshaker cannon
 * Hydra flak cannon
 * Colossus Siege Mortar

Chimera Chassis
All enclosed as per Armageddon pattern
 * Basilisk
 * Hydra
 * Manticore

Leman Russ Chassis

 * Colossus Bombard

Macharius Chassis

 * Praetor armoured assault launcher
 * Dominus Armoured Siege Bombard