Horse Collar is a Farm technology. New Farms provide +75 food. Existing Farms provide a smaller food amount.
- Building: Farm
- Age: Feudal Age (Burgundians get it one age earlier)
- Cost: 75 food, 75 wood
- Research time: 20 seconds
- Available to: 55 of 56 civilizations. Missing for: Khitans.
The first farm upgrade. Players usually research it in the early Feudal Age as their farms start to run out, so new farms last longer.
Figures from the game data for Update 185872 (September 2026), at the time of publishing.