An R. G. LeTourneau, Inc. employee demonstrates the Tournatow by driving up sidewalk steps J5G

Photograph of an employee of R.G. LeTourneau, Inc., at the controls of the Tournatow, the first vehicle to feature electric-traction motors mounted in the wheel assemblies themselves. The four-wheel-drive and -steer tractor is being demonstrated at the Edgewater Beach Hotel in Chicago, Illinois, on 1950-11-17.
Date: November 17, 1950
Creator: R.G. LeTourneau, Inc.
System: The Portal to Texas History