From The Heroes of Might and Magic III wiki

Town: War Machine

	Attack Skill	N/A	Damage	N/A
	Defense Skill	5	Health	100
	Speed	none	Shots	N/A
	Growth	N/A	Cost	1000 gold
Special:

One of the War Machines, like the Ballista, the First Aid Tent and the Catapult, that gives your ranged units unlimited shots.

Can be bought in a Blacksmith in a Tower, Stronghold or Inferno or at a War Machine Factory on the Adventure map.

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