![](https://s3images.coroflot.com/user_files/individual_files/44271_KJH70PeG7WfUxj97Dg9jkG6vH.jpg)
Semi Tractors - Cab-over design vs. traditional Tractor design.
![](https://s3images.coroflot.com/user_files/individual_files/44271_a1v11ySO4agiM9r_QTTV1fOXo.jpg)
More Aero Semi Tractor - I once saw a late 30's/early 40's Tow Truck that may have influenced this. Reduction in frontal area yields better aerodynamics in the end.
![](https://s3images.coroflot.com/user_files/individual_files/44271_r62f25itoj8wALJOwsc79Qgwo.jpg)
Semi-Tractors
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