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Image Title
Dynamometer control panel equipment
Description
Dynamometer contol panel for the large Westinghouse DC dynamometer. The image shows the dynamometer controls on the right; a scale dial (reading provides torque when it is multiplied by torque arm). On the left are the various revolution counters. Multiplying the torque with the rpm and dividing by a constant gives the power in hp.
Date/Date Range
1976
Image Title
Test car controls
Description
Instrumentation in the Oliver tractor test car. The large left gauge is for measuring low drawbar load forces, the right one is for large loads. The valves are vibration damping valves. Various gauges, counters, and switches are used for engine rpm, total drive wheel revolutions (for slip measurement), temperatures, etc. The counters were controlleds (on/off) by a photo-electric cell that picked up its signals from markings on the track.
Date/Date Range
1941
Image Title
Tractor dynamics and stability
Description
International tractor in exercise for student tractor dynamics class. Tractors were loaded with weights in front or rear and driven at different speeds over various sized obstacles. The Agricultural Engineering Annex (today the W.E.Splinter Laboratories) which houses Nebraska Tractor Test Laboratory is in the background.
Date/Date Range
1980s
Image Title
Demonstrating tractor dynamics and stability
Description
International tractor in student dynamics class study on tractor dynamics and stability when driving over different objects at various speeds. Side view of International tractor being driven over an obstacle. A variable number of weights can be seen hanging on the front and the rear of the tractor.
Date/Date Range
1980s
Image Title
Discing on east campus
Description
International tractor discing alongside the test track, apparently for a demonstration or a steel-tracked tractor test.The International tractor belongs to the Ag. Engineering department and is an older model, possibly from the 1970s. In the background later models of International tractors, which have finished the test are parked side by side.
Date/Date Range
1980s
Image Title
Ford 4110, test 1425
Description
Side view of the Ford 4110 tractor with two-post roll bar parked outside at the test lab.
Date/Date Range
1982
Image Title
Ford 5610, test 1428
Description
The Ford 5610 has FWA (Front-Wheel Assist), which is an operator selectable two-wheel-or-four wheel drive. Front three-quarter view of tractor with roll bar parked on the test track.
Date/Date Range
1982
Image Title
Ford 6610, test 1430
Description
Side view of the Ford 6610 tractor with two-post roll over protective structures parked south of the test lab. The Ford 6610 had front wheel assist.
Date/Date Range
1982
Image Title
Ford 1710, test 1503
Description
This tractor was made for Ford by Ishikawajima Shibaura Machinery Co., Tokyo, Japan in October 1983. Side view of Ford 1710 with two-post roll bar parked outdoors.
Date/Date Range
1983
Image Title
Zetor 4340, test 1601
Description
Side view of Zetor 4340 tractor parked on tractor test lab drive.
Date/Date Range
1986
Image Title
Zetor 7745, test 1602
Description
Side view of Zetor 7745 parked on the tractor test lab drive. Steiger tractors, which have completed the tests are in the background.
Date/Date Range
1986
Image Title
Hesston 160-90 turbo, test 1603
Description
Manufactured by Fiat Trattori, Torino (Turin), Italy. Side view of Hesston turbo 160-90 tractor outside the tractor test lab.
Date/Date Range
1986
Image Title
Zetor 6245
Description
Manufacturer Agrozet Zetor of Brno, Czechoslovakia. Front three-quarter view of Zetor 6245 tractor parked outdoors.
Date/Date Range
1986
Image Title
Case International 685 Diesel, test 1604
Description
Left side view of Case International 685 with Two-Post rollbar.
Date/Date Range
1986
Image Title
Case International 685 with John Deere 2755 signage
Description
JOKE! A trick photo! Case International 685 with John Deere signage. Case International 685 from test 1604. This was meant as a joke. Lou Leviticus (The director at the time) temporarily taped the John Deere logo over the International Harvester Logo and sent that photo to John Deere. Needless to say, it caused quite an upheaval.
Date/Date Range
1986
Image Title
John Deere 2755 diesel, test 1605
Description
Front three-quarter view of John Deere 2755 parked beside the south door of the test lab.
Date/Date Range
1986
Image Title
John Deere 2955, test 1606
Description
Front three-quarter view of John Deere 2955 diesel tractor parked behind the south door of the test lab.
Date/Date Range
1986
Image Title
Caterpillar Challenger 65, test 1613
Description
Left side of Caterpillar Challenger 65 Diesel. The Caterpillar Challengers were the first series of rubber-tracked tractors to be tested at Nebraska Tractor Test Lab.
Date/Date Range
1988
Image Title
White 100, test 1614
Description
White 100 tractor from test 1614, 1988, manufactured by White New Idea Farm Equipment Co. of Coldwater, Ohio. Side view of White 100 tractor parked south of south door to test lab.
Date/Date Range
1988
Image Title
Belarus 7100 Diesel, test 1334
Description
Belarus 7100 Diesel, manufactured by Kirov plant (Leningrad, USSR) during the drawbar test in November 1979. Front three-quarter view of Belarus 7100 tractor on the test track towing the Oliver test car and two load tractors. The L.W. Chase building is in the background.
Date/Date Range
1979
Image Title
Belarus 822, test 1640
Description
Belarus 822 (test 1640) during an open house at the test laboratory. Front three-quarter view of Belarus 822 tractor with visitors standing around and viewing it. Note the raised roof, which is not an option seen on American-made models.
Date/Date Range
1990
Image Title
Belarus 532 Diesel, test 1715
Description
"Belarus 532 Diesel in test 1715. Manufacturered by the Minsk Tractor Works, Belarus." Left side view of Belarus 532 tractor with roll bar parked south of the lab.
Date/Date Range
1996
Image Title
Belarus 925 Diesel, test 1716
Description
Belarus 925 Diesel in test #1716 in September 1996. Right-side view of Belarus 925 tractor with cab parked on test track approach.
Date/Date Range
1996
Image Title
Belarus 925 Diesel, test 1716
Description
"Belarus 925 Diesel in test #1716 in September 1996." Right-side view of Belarus 925 tractor parked on the test track approach.
Date/Date Range
1996
Image Title
Valmet 980, test 1599
Description
"Valmet 980--4x4 turbo-Diesel MFWD tractor. test #1599, 1986." Side view of Valmet 980 tractor parked on the test track. Valmet was a Finnish Company, but this tractor was made in Brazil.
Date/Date Range
1986
Image Title
Valmet 148, test 1600
Description
"Valmet 148--4x4 turbo diesel MFWD. Test #1600,1986." Valmet is Finnish, but tractors were made in Brazil. Side view of Valmet 148 tractor parked on the test track.
Date/Date Range
1986
Image Title
Case International 9240 Diesel, test 1650
Description
"Case International 9240 Diesel in test #1650 in June 1991." Left side view of Case International 9240 parked on the test track. The 9240 is an articulated steering tractor.
Date/Date Range
1991
Image Title
Building the hydraulic test fixture
Description
Building the hydraulic lift test fixture for the 3-point hitch test. View from above and to the side of the hydraulic test fixture on the floor of the tractor test lab. We used the mast of a forklift for this.
Date/Date Range
1990-1994
Image Title
Wheel counter for experimental vehicle
Description
Measuring tire test with weight and wheel counter. This was a wheel counter arrangement made for a special test on a 4-wheel drive experimental vehicle. It was impossible to attach the usual wheel revolution counters and so an arrangement (shown) was made to use a small weight to keep the counter in positiom. Another special arrangement was needed for the drawbar dynamometer connections as well.
Date/Date Range
1989
Image Title
Experimental tractor
Description
An experimental tractor on an unofficial test in 1990. This 4-wheel drive vehicle had chain drives to each wheel. It also had four-wheel steering capability. Side view of the vehicle with straight sides and four widely-spaced wheels being driven on the test track towing a three-wheeled Cushman test car/load vehicle. The experimental tractor has the number 80-1 on it.
Date/Date Range
1990
Image Title
Massey-Ferguson 9240 FWA, test 1696
Description
Front three-quarter view of 9240 Massey-Ferguson 4-wheel drive tractor parked south of the test lab. This tractor was tested with single and dual tires.
Date/Date Range
1995
Image Title
AGCO-Allis 9815
Description
AGCO-Allis model 9815 in 1995. Side view of AGCO-Allis 9815 tractor outside the tractor test lab.
Date/Date Range
1995
Image Title
Kirovetz tractor drawbar test, test 1334
Description
"These were for military use and later used for agriculture.' Kirovetz, the largest USSR-made tractor marketed in the United States. These tractors could be used for dual purpose. Fitted with a fifth wheel on the rear axle, they were used by the Russian military. With the 3-point hitch and regular drawbar system, they were used in agriculture. They were marketed in the US by the Belarus Tractor Company of Milwaukee, Wisc. Note the huge cab, which is equipped for three people sitting side by side. The driver sat at the right side of the cab, not in the center.
Date/Date Range
1979
Image Title
Case 2390 demonstration
Description
Case tractor in the drive-by parade at a Tractor Power and Safety Day at Mead, Nebraska, in about 1979. Side view of Case 2390 tractor with spectators in the background.
Date/Date Range
1979
Image Title
Same Buffalo, test 1186
Description
Same Buffalo, test 1186. 1975. Note the Diesel Fuel Heater mounted on the front of the wheel weights. Temperature of Diesel fuel was controlled during all the tests on Diesel fueled tractors. Same was an Italian manufacturer.
Date/Date Range
1975
Image Title
Steiger, Tiger II
Description
Steiger Tiger II, Test 1169 The Oliver Tractor Test car was used plus three other load tractors
Date/Date Range
1974
Image Title
AGCO-Allis 9345 tractor
Description
Front three-quarter view of AGCO-Allis 9435 tractor from tractor test 1692. The tractor is shown on the test track. Note the time clock attached to the front.
Date/Date Range
1995
Image Title
AGCO-Allis 9455, test 1693
Description
Side view of AGCO-Allis 9455 tractor from test 1693. The tractor is shown on the test track. Note the time clock on the front. It measures the actual run times during the various PTO and drawbar tests
Date/Date Range
1995
Image Title
Belarus 532, test 1715
Description
Front three-quarter view of the Belarus 532 tractor from test 1715. The tractor is parked on the test track apron in front of the current tractor test lab.
Date/Date Range
1996
Image Title
Belarus 822, test 1640
Description
Left side view of a Belarus 822 tractor from test 1640. The tractor is parked on grass beside the track.
Date/Date Range
1990
Image Title
Belarus T-25, test 1200
Description
Left-side view of the Belarus T-25 tractor from test 1200. The tractor is parked on grass during a Mead, Nebraska, Field Day organized by the Agricultural Engineering Department.
Date/Date Range
1975
Image Title
Belarus 532, test 1715
Description
A side view of a Belarus 532 tractor from test 1715. The tractor is parked on the test track.
Date/Date Range
1996
Image Title
Belarus 925, test 1716
Description
Right-side view of the Belarus 925 tractor from test 1716. The tractor is parked on the approach to the tractor test track.
Date/Date Range
1996
Image Title
Belarus 7100 tractor, test 1334
Description
The Belarus 7100 was the largest Russian Tractor tested. Note the three-person operator enclosure (cab) with the operator inside. The tractor was manufactured at the Kirov plant. It could not accomodate duals, which limited its results on the drawbar tests.
Date/Date Range
1979
Image Title
Big Bud HN 350
Description
A side view of a Big Bud HN 350 tractor. This tractor is parked on the lot of the factory in Havre, Montana.
Date/Date Range
1980
Image Title
Case M-B 4/94 tractor
Description
Left side view of a Case M-B 4/94 tractor (the Unimog) from test 1211. The tractor is parked on the field near the Field Day viewing and parade area at Mead, NE for a Tractor Field Day demonstration. The MB-Trac is made by Mercedes Benz. They had several model sizes. It was a 4-wheel-drive, two-wheel steer vehicle also used by the military because of its great mobility in off-road conditions.
Date/Date Range
1976
Image Title
Case 2094 Powershift Diesel, test 1525
Description
Three-quarter view of Case 2094 Powershift Diesel from test 1525 on the drive in front of the tractor test lab.
Date/Date Range
1984
Image Title
Case 2094, test 1525
Description
Three-quarter view of Case 2094 tractor from test 525 on the drive in front of the test lab.
Date/Date Range
1984
Image Title
Case 2294 Powershift Diesel, test 1526
Description
"#1526 Case 2294 Powershift Diesel." A three-quarter view of Case 2294 tractor from test 1526 on the drive in front of the tractor test lab. A Case representative is in the cab.
Date/Date Range
1984
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