Farmco Manufacturing warrants, to the original purchaser, all equipment manufactured by it to be free from defects in material and workmanship under normal use and service. Its obligation under this Warranty shall be limited to replacement or repair of any parts, provided it is within one (1) year after delivery to original Purchaser and be proven to be defective, which determination shall be made by Farmco Manufacturing. Farmco Manufacturing reserves the right to make changes in design or changes in the specifications at any time, without any obligation to owners of equipment previously purchased. This warranty is in lieu of all other warranties or agreements, whether expressed or implied. No one is authorized to alter, modify, or change the terms of this warranty.