Two Sides of the Same Coin
How do you like your MKT F3A’s? Classic or contemporary?
MKT F3A 67-C at Parsons, KS in November of 1971
The above view shows the 67-C in the classic red scheme which adorned the unit for the vast majority of its career with Katy.
By February 1974, the 67-C had been re-painted in the Katy's new colors, again at Parsons, KS.
In 1971, MKT management decide to update its paint scheme. It selected a high-visibility green and yellow scheme that was nicknamed “John Deere” because of the similarity to the color of John Deere farm equipment.
As the Katy had a reputation of being very cost-conscious, it’s interesting that it would spend the money to re-paint its F units in the twilight of their careers.
Classic or contemporary? How do you prefer your Katy F units?
Southwest Rails 
It’s a hard one. I looked at the photos for several minutes and at first I thought classic. After thinking on it for a bit I changed my mind and will go with the John Deere green.
Art
Classic or contemporary, eh? Well, I like to have my Kate and eat it, too, so I would have preferred the contemporary green/yellow with the classic red “Katy” (not “MKT”) herald smack dab in the middle of the nose. (And on all units, not just F’s.)
I have to agree with Jimmy. That classic red herald right in the middle of the nose door would have looked GREAT! Maybe even a larger one placed on the flanks underneath smaller MKT letters.