Add to ORKGCockshutt 40 tractor during belt test, test 442. The tractor is inside the tractor test lab, and the drive belt can clearly be seen.
Three-quarter view of Case 2094 Powershift Diesel from test 1525 on the drive in front of the tracto...
View of equipment inside the old tractor test laboratory. Lab technician working with a small 40 HP ...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...
Caterpillar D4 diesel during belt test. Caterpillar D4 diesel crawler inside the old tractor test la...
"Test no. 403. Massey-Harris 22RT." Belt test of Massey-Harris tractor is shown at the tractor's rea...
Oliver HG during belt power test. Front three-quarter view of Oliver HG crawler tractor inside the t...
Massey-Harris 44K during belt test 427. Side view of tractor inside test lab. A Massey-Harris engine...
Corbitt G-50 tractor during the belt test in old lab. Front view of Corbitt tractor. An RPM Counter ...
Official belt test no. 373 of the John Deere LA in 1941 The John Deere is driving the dynamometer wh...
"Test no. 401. Massey-Harris Pony. R. Valentine, H. Hartz, E. Dahl (factory representative), H. Mizn...
A belt power test on a John Deere tractor. The location of the test is unknown. The two people exami...
Lester Larsen at dynamometer and Al Brhel in the background at the tractor during belt test
Side view of John Deere 2550 tractor from test 1471. The tractor is parked behind the south door of ...
1948. Belt test no. 402. Centaur KV 48. with G. Olson, W. McPhail, Billy Bryan. Centaur KV-48 in the...
John Deere ready for Drawbar test. The New Caterpilar-made Test car and tractor are parked inside th...
Three-quarter view of Case 2094 Powershift Diesel from test 1525 on the drive in front of the tracto...
View of equipment inside the old tractor test laboratory. Lab technician working with a small 40 HP ...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...
Caterpillar D4 diesel during belt test. Caterpillar D4 diesel crawler inside the old tractor test la...
"Test no. 403. Massey-Harris 22RT." Belt test of Massey-Harris tractor is shown at the tractor's rea...
Oliver HG during belt power test. Front three-quarter view of Oliver HG crawler tractor inside the t...
Massey-Harris 44K during belt test 427. Side view of tractor inside test lab. A Massey-Harris engine...
Corbitt G-50 tractor during the belt test in old lab. Front view of Corbitt tractor. An RPM Counter ...
Official belt test no. 373 of the John Deere LA in 1941 The John Deere is driving the dynamometer wh...
"Test no. 401. Massey-Harris Pony. R. Valentine, H. Hartz, E. Dahl (factory representative), H. Mizn...
A belt power test on a John Deere tractor. The location of the test is unknown. The two people exami...
Lester Larsen at dynamometer and Al Brhel in the background at the tractor during belt test
Side view of John Deere 2550 tractor from test 1471. The tractor is parked behind the south door of ...
1948. Belt test no. 402. Centaur KV 48. with G. Olson, W. McPhail, Billy Bryan. Centaur KV-48 in the...
John Deere ready for Drawbar test. The New Caterpilar-made Test car and tractor are parked inside th...
Three-quarter view of Case 2094 Powershift Diesel from test 1525 on the drive in front of the tracto...
View of equipment inside the old tractor test laboratory. Lab technician working with a small 40 HP ...
"Checking drawbar data for test 366. M. Hansen (John Deere representative). C.L. Zink (Nebraska Trac...