"Test no. 400. Intercontinental, the first Texas tractor." Side view of Intercontinental C26 towing the Adams test car and a Massey-Harris 55 load tractor. A company representative and a lab technician are shown facing the tractors. The old tractor test lab is in the background
A side view of a Case International tractor. The tractor is parked on the test track
International tractor discing alongside the test track, apparently for a demonstration or a steel-tr...
Three-quarter view of Caterpillar D8 during drawbar test at Nebraska tractor test station. The Cater...
Test no. 400. Intercontinental during limber up. Virgis Hitt & Robert Yonash were engineers with the...
Three-quarter view of International 4300 from drawbar test 815. Several load tractors and the Adams ...
Three-quarter view of Case International tractor during a drawbar test. The tractor is towing the ne...
The John Deere MT tractor during the drawbar test, while towing the Adams test car and two load trac...
"Getting ready to start drawbar test no. 403. Massey-Harris 22 RT." The Massey-Harris 22RT is towing...
First test using duals on a tractor in 1940 and the first year the new Charley Adams test car was us...
New Fordson Major diesel during drawbar test 500. Side view of Fordson Major Diesel tractor towing t...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...
Three-quarter view of Farmall M tractor parked on the gravel road north of the test lab before it wa...
"A Massey-Harris-Ferguson TO-35 being tested on the dirt track in 1955." Side view of Massey-Harris-...
Drawbar test: Cletrac crawler test 235, 1935. The tractor tows the first test car and 2 load tractor...
The International 1026 tractor test 1047. The tractor is parked on the north side of the old test la...
A side view of a Case International tractor. The tractor is parked on the test track
International tractor discing alongside the test track, apparently for a demonstration or a steel-tr...
Three-quarter view of Caterpillar D8 during drawbar test at Nebraska tractor test station. The Cater...
Test no. 400. Intercontinental during limber up. Virgis Hitt & Robert Yonash were engineers with the...
Three-quarter view of International 4300 from drawbar test 815. Several load tractors and the Adams ...
Three-quarter view of Case International tractor during a drawbar test. The tractor is towing the ne...
The John Deere MT tractor during the drawbar test, while towing the Adams test car and two load trac...
"Getting ready to start drawbar test no. 403. Massey-Harris 22 RT." The Massey-Harris 22RT is towing...
First test using duals on a tractor in 1940 and the first year the new Charley Adams test car was us...
New Fordson Major diesel during drawbar test 500. Side view of Fordson Major Diesel tractor towing t...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...
Three-quarter view of Farmall M tractor parked on the gravel road north of the test lab before it wa...
"A Massey-Harris-Ferguson TO-35 being tested on the dirt track in 1955." Side view of Massey-Harris-...
Drawbar test: Cletrac crawler test 235, 1935. The tractor tows the first test car and 2 load tractor...
The International 1026 tractor test 1047. The tractor is parked on the north side of the old test la...
A side view of a Case International tractor. The tractor is parked on the test track
International tractor discing alongside the test track, apparently for a demonstration or a steel-tr...
Three-quarter view of Caterpillar D8 during drawbar test at Nebraska tractor test station. The Cater...