Collection of vintage farm tractors : Farm tractor Massey Harris Challenger model 4-cylinder petrol Power 20 hp Serial number: 131802 Year: 1963/39 Condition : This very nice Challenger has the particularity of being in the Row Crop version, with twin front wheels, which made it easier to work on row crops. The rear tracks are adjustable, making it possible to pass between the rows without crushing the crop. These versions were mainly used in the USA, and the steering is fairly easy because of the reduced axle. This tractor was in operation two years ago. Dimensions: H 230 / L 340 / W 220 NO REGISTRATION DOCUMENT.