No. Not in Mass or any other state. Off-highway equipment is not considered a CMV.
Vehicles which are not used for on-road use do not require a CDL.
A CDL license is required to drive a skid loader. Many employers will require a CDL to get positions that require the operation of a skid loader.
Yes you do need a CDL License to drive a bucket truck.
No. CDL requirements apply only to on-road vehicles.
No, CDL requirements pertain only to on-road vehicles.
If you don't need a CDL operating that vehicle intrastate, you don't need it to operate that vehicle interstate, either.
To own one, no. To operate one, yes.
Dedicated off-road worksite equipment, which is not intended to operate on public roadways, does not require a CDL.
Yes, you would. Without the trailer, you could operate it with either a Class A or Class B CDL.
No. You only need a drivers licence to operate equipment if it's plated for use on public roadways.
You must have a current DOT medical card to maintain an active CDL in EVERY state. That is a federal law.
No. The weight determines what class licence you must obtain (there are non-CDL Class A and B licences available), and the usage is what determines whether or not you actually need a CDL class licence to operate it.