Only if you're insured on that vehicle. Only those insuring driving schools are going to insure a CDL permit driver.
You need a Class A learner's permit.
You can get your permit to drive the tractor trailer combos as early as 18 years old.
In order to operate a tractor trailer it will be important to get your CDL. They do give you the necessary training in order to drive CDL and to change your permit to a license so I would say yes.
What kind of a tractor is being asked about. A farm implement or a semi-trailer hauler
102 inch maximum width without requiring an oversize permit.
80,000 lbs. After that, an oversize permit is required.
The statutory height in California without requiring a permit is 14'.
Oklahoma has a statutory height of 13'6". Higher loads require a permit.
A handful of states permit 57' trailers. However, most states only permit trailers up to 53' in length.
92,000 is typical for interstate travel, but intrastate varies by state.
Generally towing is prohibited while on a learner's permit.
Not without a permit, and, to be able to do that, it must be a single piece load.