Via an email from Ry I just watched a video made up of clips from a farm on the Palouse (this particular farm was near Colton Washington) in the late 1940s.
I grew up about 40 miles directly east of there. Many of the pieces of equipment were very similar to what we had on the farm about 10 years later. We still have the old pull type combine parked behind the barn. Ours was a John-Deere model 35 instead of the one with the red paint on it. I still remember riding on it. And the D-4 Caterpillar tractor we used to pull it is still in use today. It was nearly identical to the one shown in the video at the time of the pull combine days. It the mid 1960s Dad put on a bigger fuel tank, a wider seat, and the dozer blade. We still use it several times a year even though it is coming up on 70 years old. I use it to move dirt for the Boomershoot site and my brothers use it for other things as well such as clearing snow out of the driveway during the winter. During harvest the tracks would become so clean and polished by the grain stubble that you could barely look at them if the sun was shining.
We even had an old Willy’s Jeep similar to the one in the video.
Mom and Dad have some old video of some of their farming too. We used to watch the videos once or twice a year when we were growing up. I should get that digitized before it falls apart.