1930 - 1937
| 1930 - 1937 |
| Standard-tread tractor |
Series:
| Series: | 28-44 |
| 90 ↓ |
1937 - 1952
| 1937 - 1952 |
| Standard-tread tractor |
Production
| Production |
| Manufacturer: | Oliver
|
| Type: | Standard-tread tractor
|
| Factories: | Charles City, Iowa, USA
|
| | South Bend, Indiana, USA
|
Variants
| Variants |
| 90: | all-fuel engine
|
| 99: | gasoline engine
|
Oliver 90 Power
| Oliver 90 Power |
| Drawbar (claimed): | 22 hp
16.4 kW
|
| Belt (claimed): | 44 hp
32.8 kW
|
Oliver 90 Engine
| Oliver 90 Engine |
| Waukesha-Oliver 7.3L 4-cyl kerosene |
| Engine details ... |
Mechanical
| Mechanical |
| Chassis: | 4x2 2WD
|
| Steering: | manual
|
| Cab: | Open operator station.
|
| Transmission: | 4-speed gear
|
| Transmission details ... |
Power Take-off (PTO)
| Power Take-off (PTO) |
| Rear PTO: | optional
|
Dimensions & Tires
| Dimensions & Tires |
| Weight: | 7,000 lbs
3175 kg
|
| Front tire: | 7.50-18
|
| Rear tire: | 46x12
|
| Full dimensions and tires ... |
90 Serial Numbers
| 90 Serial Numbers |
| 1937: | 508918
|
| 1938: | 508935
|
| 1939: | 509612
|
| 1940: | 510068
|
| 1941: | 510564
|
| 1942: | 510977
|
| 1943: | 511296
|
| 1944: | 511474
|
| 1945: | 512044
|
| 1946: | 512821
|
| 1947: | 513106
|
| 1948: | 513856
|
| 1949: | 514856
|
| 1950: | 516276
|
| 1951: | 516888
|
| 1952: | 517874
|
how to read serial numbers...
|
Production
| Production |
| Manufacturer: | Hart-Parr (a part of Oliver)
|
| Type: | Standard-tread tractor
|
| Factory: | Charles City, Iowa, USA
|
Hart-Parr 28-44 Power
| Hart-Parr 28-44 Power |
| Drawbar (claimed): | 22 hp
16.4 kW
|
| Belt (claimed): | 44 hp
32.8 kW
|
| Plows: | 3-5
|
| Drawbar (tested): | 34.21 hp
25.5 kW
|
| Belt (tested): | 49.04 hp
36.6 kW
|
| power test details ... |
1930 - 1937
| 1930 - 1937 |
| Standard-tread tractor |
Series:
Nebraska Tractor Test 183
| Nebraska Tractor Test 183 |
Kerosene 3-speed 2WD
October 13 - 27, 1930
Link: Nebraska Tractor Test 183 file |
| Belt power (max): | 49.04 hp
36.6 kW
|
| Belt fuel use (max): | 4.9 gal/hour
18.5 l/hour
|
| Drawbar performance |
| Max power: | 34.21 hp
25.5 kW
|
| Gear 2 used for power test. |
| Max pull: | 5,116 lbs
2320 kg
|
| Gear 1 used for pull test. |
Hart-Parr 28-44 Engine
| Hart-Parr 28-44 Engine |
| Hart-Parr 7.3L 4-cyl kerosene |
| Engine details ... |
1930 - 1937
| 1930 - 1937 |
| Standard-tread tractor |
Series:
Engine Detail
| Engine Detail |
| Hart-Parr |
| kerosene |
| 4-cylinder |
| liquid-cooled |
| Displacement: | 443 ci
7.3 L
|
| Bore/Stroke: | 4.75x6.25 inches
121 x 159 mm
|
| Rated RPM: | 1125
|
Mechanical
| Mechanical |
| Chassis: | 4x2 2WD
|
| Steering: | manual
|
| Cab: | Open operator station.
|
| Transmission: | 3-speed gear
|
| Transmission details ... |
1930 - 1937
| 1930 - 1937 |
| Standard-tread tractor |
Series:
Transmission
| Transmission |
| Type: | gear
|
| Gears: | 3 forward and 1 reverse
|
Speeds
Dimensions & Tires
| Dimensions & Tires |
| Weight: | 6,415 lbs
2909 kg
|
| Full dimensions and tires ... |
1930 - 1937
| 1930 - 1937 |
| Standard-tread tractor |
Series:
Hart-Parr 28-44 Tires
Dimensions
| Dimensions |
| Operating weight: | 6,415 lbs
2909 kg
|
28-44 Serial Numbers
| 28-44 Serial Numbers |
| 1930: | 500001
|
| 1931: | 503599
|
| 1932: | 506185
|
| 1933: | 506212
|
| 1934: | 506255
|
| 1935: | 506401
|
| 1936: | 507176
|
| 1937: | 508016
|
| Final: | 508917
|
how to read serial numbers...
|
