Cletrac High Speed Tractor

Made by the Cleveland Tractor Company, Ohio.  Commonly referred to as the bomber nurse, since
 it contained a high pressure air compressor, 24 volt generator, nitrogen bottle, a winch and a center mount draw bar for maximum traction during the tugging of aircraft on soft surfaces.

These 6 pictures were taken by Terry Sumner

(click on pictures below to bring up full screen pictures)