Profile: U. S. Transmission, Inc. is engaged in designing, manufacturing and selling rotary ditchers. We supply products for general farm ditching, drainage, irrigation and cane farming. Side arm industrial ditcher is designed to open and clean existing ditches on paved & unpaved roads, interstate highway service, perimeter roads, service roads, airport roads, industrial complex roads and military installations. Dondi double-wheel rotary ditchers offer the highest level of technology and performance for digging & maintaining drainage and irrigation ditches.