Add to ORKGQuite often the tractors were tested on the drawbar with different sets of tires at the request of the manufacturers. The photograph shows diffrent types of wheel and tire equipment used on various tests of Juhn Deere tractors
Three-quarter view of a Choremaster garden tractor ready for the drawbar test. The tractor test car ...
"Official drawbar test no. 396. Allis-Chalmers HD 5B. 1948." Side view of Allis-Chalmers HD-5B crawl...
Minneapolis-Moline G1355 tractor from test 1141 on the test track. Note the extra large platform bel...
John Deere L drawbar test with the oldest NTTL test car and a load generating trailer. The two-wheel...
1941 Oliver Row Crop 60 HC during test 375. Carlton Zink (in hat) on far left. The other two men are...
Measuring tire test with weight and wheel counter. This was a wheel counter arrangement made for a s...
John Deere ready for Drawbar test. The New Caterpilar-made Test car and tractor are parked inside th...
Checking recommended air pressure in the tires before start of test.The Massey-Harris tractor is tow...
"A Massey-Harris-Ferguson TO-35 being tested on the dirt track in 1955." Side view of Massey-Harris-...
John Deere on test for Drawbar Pull and Steering Effort on listed ridges. Hoffman Estates, April 193...
Three-quarter view of John Deere 140 Garden tractor. The tractor is on top of a "rolling road" desig...
An Allis-Chalmers U tractor." This was the first tractor which was tested with Firestone Rubber Tire...
Bates Steel Mule model 45 towing the first drawbar test car and a load unit in test 187. The Bates S...
Demonstration at the Tractor Test Lab. This Waterloo Boy's manufacturer was bought later by John Dee...
First test using duals on a tractor in 1940 and the first year the new Charley Adams test car was us...
Three-quarter view of a Choremaster garden tractor ready for the drawbar test. The tractor test car ...
"Official drawbar test no. 396. Allis-Chalmers HD 5B. 1948." Side view of Allis-Chalmers HD-5B crawl...
Minneapolis-Moline G1355 tractor from test 1141 on the test track. Note the extra large platform bel...
John Deere L drawbar test with the oldest NTTL test car and a load generating trailer. The two-wheel...
1941 Oliver Row Crop 60 HC during test 375. Carlton Zink (in hat) on far left. The other two men are...
Measuring tire test with weight and wheel counter. This was a wheel counter arrangement made for a s...
John Deere ready for Drawbar test. The New Caterpilar-made Test car and tractor are parked inside th...
Checking recommended air pressure in the tires before start of test.The Massey-Harris tractor is tow...
"A Massey-Harris-Ferguson TO-35 being tested on the dirt track in 1955." Side view of Massey-Harris-...
John Deere on test for Drawbar Pull and Steering Effort on listed ridges. Hoffman Estates, April 193...
Three-quarter view of John Deere 140 Garden tractor. The tractor is on top of a "rolling road" desig...
An Allis-Chalmers U tractor." This was the first tractor which was tested with Firestone Rubber Tire...
Bates Steel Mule model 45 towing the first drawbar test car and a load unit in test 187. The Bates S...
Demonstration at the Tractor Test Lab. This Waterloo Boy's manufacturer was bought later by John Dee...
First test using duals on a tractor in 1940 and the first year the new Charley Adams test car was us...
Three-quarter view of a Choremaster garden tractor ready for the drawbar test. The tractor test car ...
"Official drawbar test no. 396. Allis-Chalmers HD 5B. 1948." Side view of Allis-Chalmers HD-5B crawl...
Minneapolis-Moline G1355 tractor from test 1141 on the test track. Note the extra large platform bel...