A straight box truck is not considered a trailer.
You need to be more specific about the configuration. Is a single axle straight truck, a tandem axle straight truck, a tandem axle straight truck with additional lift axles, a tractor trailer...?
Straight truck is a single vehicle; i.e., there isn't a trailer in tow.
A straight truck can be up to 45 feet in length.
90
Up to 45.
When you see a rapidly approaching truck heading straight for your car, you say, "Our father, who art in heaven...
When it was sold, it was a heavy duty 2 ton. The C50 was a light duty 2 ton, C60 a straight 2 ton, and C70 a heavy duty 2 ton. Those were in the early years of its production.
No, just straight.
The FMCSR applies to all commercial vehicles, including straight trucks, vehicles under 26,000 lbs. GVWR, etc.
A rigid is what is known as a "straight truck" in the US. It's a medium or heavy duty truck which does not pull a trailer.
Yes. A Class 7 single axle straight truck exceeds the 26000 lb. GVWR. A semi truck is a Class 8 truck.