Here's why:
* Heavy wheeled: This indicates it's a larger plow designed for heavier work.
* Iron plowshare: The iron plowshare is a key component of a plow, responsible for cutting and turning the soil.
* Animal teams: This specifies the mode of power for the plow.
While there are many variations of plows, the combination of these features most closely matches a wheeled plow.
Let me know if you have any other details about the plow, and I can help you be even more specific!