RDO Equipment Co. in Tuscon, Arizona, sells and services John Deere construction equipment, Hitachi equipment, as well as provides construction technology solutions from Topcon, Carlson Machine Control, Sokkia and more. Our experienced sales department will help you find the right equipment for your needs and our highly trained and certified technicians will get your equipment back up and running as quickly as possible. Our large inventory of parts ensures you get the right parts fast to reduce any costly downtime. Contact us day or night for your service needs. Our Tuscon heavy equipment dealership proudly serves southern Arizona, including Pima, Pinal, Santa Cruz, Cochise, Graham and Greenlee counties.