Can anyone tell me what this 30's car is?

Sorry pishta, what does the green blocks comment mean?

I think that show uses the same turbo diesel Cummins crate motor for a few builds, and they are green.
"...this mid-engine, turbo-diesel dually beast features a 1954 GMC cab and 450 HP Cummins engine in the signature Welder Up bright green (block) hue..."