Clockwork Stallion (CR 3)

Large Construct
Alignment: Always neutral
Initiative: -1(Dex); Senses: darkvision 60 ft., low-light vision, Listen +0, and Spot +0


AC: 15 (-1 size, -1 Dex, +7 natural), touch 8, flat-footed 16
Hit Dice: 6d10+30 (63 hp)
Fort +2, Ref +1, Will +2
Speed: 50 ft.
Space: 10 ft.; Reach 5 ft.
Base Attack +4; Grapple +13
Attack: Melee: 2 hooves +8 each (1d6+5)
Special Attacks/Actions:
Abilities: Str 20, Dex 8, Con -, Int -, Wis 10, Cha 1
Special Abilities: Immune: construct immunities
Special Qualities: construct traits, rider response, upgrades
Feats:
Skills: Jump +13, Listen +0, and Spot +0
Advancement:
Climate/Terrain: Any, with rider
Organization: None, inert without rider
Treasure:

Source: Monster Manual IV