This montage of John Deere tractor numbers and decals wasshot from the various tractors on display at the 50th anniversary of the John Deere Product Engineering Center in Waterloo, Iowa on September 8-9,2005.  
The montage is arranged with the decals and model numbers inthe upper left quadrant being from the earliest tractors designed at the PEC inthe 1960 – 70’s.   There is a progression of decals to the newest John Deere logo and tractor models in the lower right quadrant.