A Class B CDL in the state of Ohio allows you to drive commercial vehicles weighing more than 26,000 pounds and tow vehicles weighing less than 10,000 pounds. Your employer might provide driver training in some capacity. You need to complete several steps before you can get your license. You need to be at least 18 years old to have a CDL license and at least 21 to operate your vehicle outside the state of Ohio.
Pass all necessary testing regarding your physical health. According to the Ohio Department of Public Safety, you must meet certain medical standards set forth by federal and state regulations. You can contact the Ohio Public Utilities Commission for more information on medical requirements. You must also pass a vision test requiring at least 20/50 vision without glasses or contacts and a visual field of at least 70 degrees.