I grew up out west when most logging truck has 16 wheels.
Link: https://www.google.com/search?q=16+wheeler+truck&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiUoO-Gn_XfAhWmq4MKHV1JClM4ChD8BQgOKAE&biw=1536&bih=763#imgrc=i3v5dGBXTyFceM:
I grew up out west when most logging truck has 16 wheels.
Link: https://www.google.com/search?q=16+wheeler+truck&source=lnms&tbm=isch&sa=X&ved=0ahUKEwiUoO-Gn_XfAhWmq4MKHV1JClM4ChD8BQgOKAE&biw=1536&bih=763#imgrc=i3v5dGBXTyFceM: