demonstrator.... of intense dark looking mean farming machine? Nope, part of the Case 1070 “Golden Opportunity” marketing plan for the Case 70 series tractors. Dealers could get demonstrator tractors to loan out to farmers in an attempt to try it before they bought it.

 

https://www.facebook.com/mecumgonefarmin/photos/3050519421892304
https://www.mecum.com/lots/GN1121-490166/1971-case-1070-black-knight/
https://www.facebook.com/ClassicTractorFever/posts/which-1970s-promotional-case-tractor-do-you-want-to-own-these-tractors-represent/2435438996504240/

here's one of the other 2  https://www.facebook.com/mecumgonefarmin/photos/3044107525866827

thanks Steve!