Related Clues:

• Bovine beasts of burden
• Animals in harness
• Beasts in a team
• Engine capability, slangily
• Early plough pullers
• Wagon pullers
• Team in the field
• Teamster's pair
• Domestic bovines
• Big pullers
• They've got a lot of pull
• Plow beasts
• Workers in the field
• Draft beasts
• Yaks, e.g.