"I had to guess a bit as to which M7 is being referred to in the question. If the question is referring to the WWII tank the M7, then yes, the tank would be legal here in the US, but it would not be legal to do a number of things with the tank, such as drive it on the road."
The number of miles you can drive is not dependent on the shape or material of the gas tank. The size of the tank matters, the larger the tank the farther you can drive.
During the Vietnam era, the official US Army designation for a tanker was, "Armor Crewman."
In most places, it is not legal to drive a tank on the road unless you have a special permit or authorization from the government.
The cost of the tank hardware pales in comparison to training the chipmunks to drive the tank.
Yes.
The petrol is pumped from the tank to feed the engine.
It is generally not legal to drive a tank on public roads unless you have obtained special permits or permissions from the relevant authorities.
Yes, you need a special license to drive a tank, typically obtained through military training or certification programs.
A 1998 GMC Sierra SL Extended cab 4.3 V6 engine rear wheel drive truck has a 25 US gallon fuel tank.
I own and drive a 96 Previa and was amazed to find out the capacity is 19.8 gallons US . (according to Alldata online)
Drive it.