Rust-Oleum Specialty Farm & Implement Gray Primer enamel paint renews and protects valuable equipment with a rust preventative, durable coating. Tough enough for use on tractors, farm implements, trailers, lawn mowers and more, this specialty tractor paint comes in colors that match to major equipment manufacturers. Heavy duty paint is weather- and chip- resistant and offers exceptional color retention to keep items looking like new. Use Farm and Implement on metal or wood – not recommended for galvanized steel.