Related Clues:

• Yaks
• 18-wheelers
• The yoke's on them
• Rigs
• Farm team
• Plow pullers
• They can take a yoke
• Pair with a plow
• Epitome of 41-Across
• Plow animals
• They have pull
• Pre-tractor farmer's need
• Conestoga haulers
• Rest stop lineup
• Big bovines