Add to ORKGBates Steel Mule model 45 towing the first drawbar test car and a load unit in test 187. The Bates Steel Mule in this photograph is the full track model. The old tractor test lab is in the background
Minneapolis-Moline tractor during a drawbar test, towing the Adams test car and two load tractors. T...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...
"Getting ready to start drawbar test no. 403. Massey-Harris 22 RT." The Massey-Harris 22RT is towing...
John Deere 70 during the drawbar test. The tractor is towing the Adams test car and one Oliver 88 us...
Case SC tractor from test 496 during drawbar test. A Case representative is driving the tractor on t...
A side view of a Belarus 532 tractor from test 1715. The tractor is parked on the test track
During drawbar test, the Allis-Chalmers Special K crawler is towing the old tractor test car and a l...
John Deere ready for Drawbar test. The New Caterpilar-made Test car and tractor are parked inside th...
Side view of John Deere 2550 tractor from test 1471. The tractor is parked behind the south door of ...
Test 136, 1927, Shaw Du-All model T25 being tested. The Adams test car is being used during the draw...
International crawler drawbar test on dirt track. Test 346 describes the gasoline model. Test 347 de...
Three-quarter view of Ford 960 tractor during drawbar tests on the test track towing the Adams tract...
Three-quarter view of Harris Power Horse during drawbar tests. The tractor is towing the Adams test ...
Three-quarter view of Caterpillar D8 during drawbar test at Nebraska tractor test station. The Cater...
"Test no. 397. Hitch for loading units." The photo was taken from the rear of the Allis-Chalmers HD-...
Minneapolis-Moline tractor during a drawbar test, towing the Adams test car and two load tractors. T...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...
"Getting ready to start drawbar test no. 403. Massey-Harris 22 RT." The Massey-Harris 22RT is towing...
John Deere 70 during the drawbar test. The tractor is towing the Adams test car and one Oliver 88 us...
Case SC tractor from test 496 during drawbar test. A Case representative is driving the tractor on t...
A side view of a Belarus 532 tractor from test 1715. The tractor is parked on the test track
During drawbar test, the Allis-Chalmers Special K crawler is towing the old tractor test car and a l...
John Deere ready for Drawbar test. The New Caterpilar-made Test car and tractor are parked inside th...
Side view of John Deere 2550 tractor from test 1471. The tractor is parked behind the south door of ...
Test 136, 1927, Shaw Du-All model T25 being tested. The Adams test car is being used during the draw...
International crawler drawbar test on dirt track. Test 346 describes the gasoline model. Test 347 de...
Three-quarter view of Ford 960 tractor during drawbar tests on the test track towing the Adams tract...
Three-quarter view of Harris Power Horse during drawbar tests. The tractor is towing the Adams test ...
Three-quarter view of Caterpillar D8 during drawbar test at Nebraska tractor test station. The Cater...
"Test no. 397. Hitch for loading units." The photo was taken from the rear of the Allis-Chalmers HD-...
Minneapolis-Moline tractor during a drawbar test, towing the Adams test car and two load tractors. T...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...
"Getting ready to start drawbar test no. 403. Massey-Harris 22 RT." The Massey-Harris 22RT is towing...