CLAAS Tractor Production Factory in Le Mans (France) Where are they made? All CLAAS tractor models except of the XERION are manufactured at the Le Mans factory, two hours' drive southwest of Paris.In 2021, a three-year refurbishment of the factory was completed. 0:01 Cabin assembling 1:08 Assembling transmission HEXASHIFT and QUADRISHIFT 2:44 Assembling powertrain frame 4:26 Cab installing 5:33 Final assembly 6:35 Testing and quality 9:37 Design center