Dedicated off-road worksite equipment, which is not intended to operate on public roadways, does not require a CDL.
An on and off-road vehicle
Most off road vehicles come with a title: Total D-bag.
NO, because it is not a street legal vehicle and can only be driven off road.
That depends on which 6x6 truck you had in mind. The M35 should not require one. The M54 and 800 series five tons have a Gross Vehicle Weight Rating well in excess of 26,000 lbs., and would require a CDL if they didn't fall under one of the classes for CDL exemption (registered farm vehicle in the course of farm work, emergency vehicle, recreational vehicle, or military vehicle still in active military service - a decommissioned military vehicle owned by a civilian or civil agency is not considered a military vehicle anymore). My suggestion - if it's heavier than an M35 2-1/2 ton (that's the off-road rating), register it as a recreational vehicle if you're not using it for a commercial or business purpose.
No. There are special off road amplifiers design for off road vehicles.
The local Jeep dealer always has a few 4x4 off road vehicles ready to be purchased. Another option for purchasing a 4x4 off road vehicle is an extreme vehicle retailer.
Absolutely. It just has to be a vehicle requiring a Class B CDL - nowhere does it say that it has to be a dump truck, roll-off, etc.
Depends on the Gross Vehicle Weight Rating of the vehicle. 26,000 lbs. or less, it doesn't require a CDL. 26,001 lbs. or higher requires a Class B CDL. If you're running a Class C wrecker (Class C is a heavy wrecker... wrecker classification and driver license classification are two separate things), then you'd need a Class A CDL.
You can not legally use off road fuel in a licenced road vehicle
Depends on the GVW of the vehicle. If it's more than 26,000 lbs, no. I'm assuming by "can" you mean a roll-off container. They do have 26k trucks which haul like three yard cans, but the 30 yard ones, you'll need a CDL.
The snowmobile.
You can rent an off-road vehicle for an adventurous excursion at specialized rental companies, outdoor recreation centers, or through online platforms that offer off-road vehicle rentals. Make sure to check for any age or licensing requirements before booking.