Shell Rotella SuperRigs 2014: Day 3

Bill Rethwisch of Tomah, WI, puts a final few touches on his green and white 2013 Peterbilt 389. He would go on to take top honors at the 32nd annual SuperRigs event -- the "Best in Show" award -- for the second year in a row.

Titan Transport out of Saskaton, Saskatchewan, showed how sharp Canadian highway iron could be.

Tractor Pulling Champion Larry Koester (at right) spent time at SuperRigs showing off his racing machines.

Ashley Transport out of Raleigh Mississippi brought this purple-and-white machine to compete at the 32nd annual SuperRigs.

The interior of Ashley Transport's purple-and-white Peterbilt is a work of art.

Even the engine of Ashley Transport's Peterbilt keeps to the purple-and-white theme.

Even super-long 'road trains' competed at the 32nd annual SuperRigs event.

Gullwing doors are a very rare feature in trucking.