1936 Caterpillar RD4 Diesel uses Hyatt Roller Bearings & RD6 Vintage Ads N168

This original 8.5 x 11" magazine ad from 1936 is in pristine condition and showcases the Caterpillar RD4 Diesel Tractor.  The tractor utilizes Hyatt Roller Bearings a product of General Motors. ON the reverse side, which was actually the magazine cover you will find a picture of the 10,000th Caterpillar RD6 being displayed at a Farm Show.