Kubota tractor factory - Production of Japanese tractors Kubota M7 Series tractors are built in northern France using assemblies from Japan and Germany. The M4002 and M5001 series tractors are built in Tsukuba near Tokyo and the M-GX series at Sakai, near Osaka, using in-house engines, transmissions and cabs. For the larger M7003 Series tractors, Kubota set up an assembly-only plant in Dunkirk on the northern French coast, using engines from Japan and transmissions from ZF. null