Add to ORKGCase tractor in the 1969 or 1970 model during one of the drawbar tests 1030 to 1035. The tractor is towing the Oliver test car, a load tractor, and the Cushman. The latter was used to carry the early sound level measuring equipment
Bates Steel Mule model 45 towing the first drawbar test car and a load unit in test 187. The Bates S...
John Deere 4050 tractor towing the Oliver Test Car and a load tractor. Not clear which version this ...
"1948. 100 Max drawbar test no. 397. Allis-Chalmers HD-19." Side view of Allis-Chalmers HD-19 crawle...
"Case tractor in the 1969 or 1970 model during drawbar test #1030 to #1035." The tractor tows the Ol...
John Deere 70 during the drawbar test. The tractor is towing the Adams test car and one Oliver 88 us...
Ford tractor with a two-post roll bar during a drawbar test. The Oliver test car, which was used fro...
Three-quarter view of Oliver 1550 tractor during the drawbar test 944. The tractor is on the test tr...
Minneapolis-Moline M670 tractor from test 924, 1965. Front three-quarter view of tractor towing the ...
Jacking tongue on a Massey 55 load tractor lifting an Oliver 88 in the late 1940s. Side view of the ...
Three-quarter view of Case International 3594 from test 1584. The tractor is towing the Oliver test ...
Three-quarter view of International 1066 tractor during drawbar test 1083. The Oliver test car equip...
Side view of Steiger tractor towing the Oliver test car during the drawbar test. The building in the...
An experimental tractor on an unofficial test in 1990. This 4-wheel drive vehicle had chain drives t...
Drawbar test: Cletrac crawler test 235, 1935. The tractor tows the first test car and 2 load tractor...
"Official drawbar test no. 396. Allis-Chalmers HD 5B. 1948." Side view of Allis-Chalmers HD-5B crawl...
Bates Steel Mule model 45 towing the first drawbar test car and a load unit in test 187. The Bates S...
John Deere 4050 tractor towing the Oliver Test Car and a load tractor. Not clear which version this ...
"1948. 100 Max drawbar test no. 397. Allis-Chalmers HD-19." Side view of Allis-Chalmers HD-19 crawle...
"Case tractor in the 1969 or 1970 model during drawbar test #1030 to #1035." The tractor tows the Ol...
John Deere 70 during the drawbar test. The tractor is towing the Adams test car and one Oliver 88 us...
Ford tractor with a two-post roll bar during a drawbar test. The Oliver test car, which was used fro...
Three-quarter view of Oliver 1550 tractor during the drawbar test 944. The tractor is on the test tr...
Minneapolis-Moline M670 tractor from test 924, 1965. Front three-quarter view of tractor towing the ...
Jacking tongue on a Massey 55 load tractor lifting an Oliver 88 in the late 1940s. Side view of the ...
Three-quarter view of Case International 3594 from test 1584. The tractor is towing the Oliver test ...
Three-quarter view of International 1066 tractor during drawbar test 1083. The Oliver test car equip...
Side view of Steiger tractor towing the Oliver test car during the drawbar test. The building in the...
An experimental tractor on an unofficial test in 1990. This 4-wheel drive vehicle had chain drives t...
Drawbar test: Cletrac crawler test 235, 1935. The tractor tows the first test car and 2 load tractor...
"Official drawbar test no. 396. Allis-Chalmers HD 5B. 1948." Side view of Allis-Chalmers HD-5B crawl...
Bates Steel Mule model 45 towing the first drawbar test car and a load unit in test 187. The Bates S...
John Deere 4050 tractor towing the Oliver Test Car and a load tractor. Not clear which version this ...
"1948. 100 Max drawbar test no. 397. Allis-Chalmers HD-19." Side view of Allis-Chalmers HD-19 crawle...