Related Clues:

• Tractor handle?
• Lawn mower name
• Plow pioneer
• Farm implement pioneer
• Latin land
• Earth, in sci-fi fare
• Tractor name
• It may be incognita
• Plowmaker
• Big name in farm machinery
• Tractor maker John
• Farm equipment maker
• Word with cotta or incognita
• Groundbreaking manufacturer?
• American plow pioneer