Our coverage solutions depend on the equipment type. The eligibility limitations are best outlined by the equipment type: Tractors are eligible up to 15 years old and 5,000 hours. Combines, cotton harvesters, and forage harvesters are eligible up to 15 years old and 3,500 engine hours. Sprayers and floaters are eligible up to 10 years old and 3,500 engine hours All other types of equipment are eligible up to 10 years old and 3,500 engine hours.