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Early Oliver Tractors
In 1937, the Hart-Parr Oliver 70 tractor took on a new streamlined look and became the Oliver 70. Gone was the name Hart-Parr from radiator housing. The cast iron shell had been replaced by a stamped steel housing. This streamlined model was available in several variations: row crop with a single front wheel, dual front wheels, or wide front axle. It was also available as a standard, orchard, and an industrial model. The tractor had a six-speed transmission, but 5th and 6th gear were blocked out on models sold with steel wheels.
In 1937, the 18-27 Row Crop and 18-28 Standard were replaced by the 80. The 80 was built as a standard or row crop variation. This 3-plow model continued to use the Waukesha/Oliver engine. Oliver experimented with putting a Buda diesel in the engine, but a very limited amount of these were built, and out of 136 tractors, only a few of them are known to exist today.
The model 28-44 was upgraded to the model 90 in 1937, and the high compression model became the 99. The 90 and 99 were only built in a standard version. The 90 could burn gas, kerosene, or distillate.
The Oliver 60 was introduced in 1940 and had the same styling as the streamlined 70. It used the Waukesha/Oliver gasoline engine and was sold as a standard, row crop, or industrial model. It was Oliver’s biggest little tractor and developed 17.85 drawbar horsepower.
Serial Numbers
Row Crop 60 (4-Speed)
1940- 600 001 – 600 070
1941- 600 071 – 606 303
1942- 606 304 – 607 394
1943- 607 395 – 608 525
1944- 608 526 – 609 930
Row Crop 60 (5-Speed)
1944- 609 931 – 612 046
1945- 612 047 – 615 627
1946- 615 628 – 616 706
1947- 616 707 – 620 256
1948- 620 257 – 625 131
Standard 60 (4-Speed)
1942- 410 001 – 410 500
1943- 410 501 – 410 510
Standard 60 (5-Speed)
1944- 410 511 – 410 616
1945- 410 617 – 410 910
1946- 410 911 – 411 310
1947- 411 311 – 411 960
1948- 411 961 – 413 605
Row Crop 70 (4-Speed Std.)
1937- 216 926 – 219 644
1937- 220 426 – 220 694
1938- 219 645 – 220 425
1938- 220 695 – 223 254
1939- 223 255 – 231 115
1940- 231 116 – 236 355
1941- 236 356 – 241 390
1942- 241 391 – 243 639
1943- 243 640 – 244 710
1944- 244 711 – 245 040
Row Crop 70 (6-Speed Std.)
1944- 245 041 – 250 179
1945- 250 180 – 252 779
1946- 252 780 – 258 139
1947- 258 140 – 262 839
1948- 262 840 – 267 866
Standard 70 (4-Speed Std.)
1937- 301 803 – 302 083
1938- 302 084 – 303 464
1939- 303 465 – 305 361
1940- 305 362 – 306 593
1941- 306 594 – 307 578
1942- 307 580 – 308 187
1943- 308 188 – 308 483
Standard 70 (6-Speed Std.)
1944- 308 484 – 310 217
1945- 310 218 – 311 115
1946- 311 116 – 312 689
1947- 312 690 – 314 220
1948- 314 221 – 315 420
Row Crop 80 (3-Speed)
1937- 109 152 – 109 166
1938- 109 167 – 109 782
1939- 109 783 – 109 852
Row Crop 80 (4-Speed)
1939- 109 853 – 110 220
1940- 110 221 – 110 614
1941- 110 615 – 110 944
1942- 110 945 – 111 218
1943- 111 219 – 111 390
1944- 111 391 – 111 928
1945- 111 929 – 112 878
1946- 112 879 – 114 143
1947- 114 144 – 114 943
1948- 114 944 – 115 373
Standard 80 (3-Speed)
1937- 803 929 – 803 990
1938- 803 991 – 805 319
Standard 80 (4-Speed)
1938- 805 320 – 805 376
1939- 805 377 – 806 879
1940- 806 880 – 808 124
1941- 808 125 – 809 050
1942- 809 051 – 809 990
1943- 809 991 – 810 469
1944- 810 470 – 811 990
1945- 811 991 – 813 066
1946- 813 067 – 814 563
1947- 814 564 – 815 215
1948- 815 216 – 816 241
Model 90 & 99 (4-Cylinder)
1937- 508 918 – 508 934
1938- 508 935 – 509 611
1939- 509 612 – 510 067
1940- 510 068 – 510 563
1941- 510 564 – 510 976
1942- 510 977 – 511 295
1943- 511 296 – 511 473
1944- 511 474 – 512 043
1945- 512 044 – 512 820
1946- 812 821 – 513 105
1947- 513 106 – 513 855
1948- 813 856 – 514 855
1949- 514 856 – 516 275
1950- 516 276 – 516 887
1951- 516 888 – 517 873
1952- 517 874 – 518 212