The Big Plow with Disc 6 foot J5G, Photo 36, L-8307,

Photograph of what was unofficially called The Big Plow with a 6-foot disc. The Series H (Model 6-16) was introduced in 1955, according to, Eric C. Orlemann's book on LeTourneau earthmoving equipment.
Date: August 15, 1955
Creator: R.G. LeTourneau, Inc.
System: The Portal to Texas History