Probably about 0.3. It seems to be a fair copy of the old EMD F7:
What is this tractor’s coefficient of drag?
When driving in drag, truck stops are not co efficient...
Probably about 0.3. It seems to be a fair copy of the old EMD F7:
Given the mass and frontal area it’s been historically difficult to break below a Cd of .30 or so. Several have approached or matched that level, old streamlined locomotives, one factory semi tractor, the old GMC motorhome of the seventies, maybe a few others.