Production
| Description | Utility tractor / Built in Charles City, Iowa, USA / Original price was $4,400 in 1975 / During the first year of production the Oliver 550 had the same 2.4L engine as the Super 55. |
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| Manufacturer | Oliver |
| Total built | 20,368 (Oliver) |
Engine
| Air cleaner | oil bath / oil bath |
|---|---|
| Bore/Stroke | 3.62x3.75 inches (92 x 95 mm) / 3.625x3.75 inches (92 x 95 mm) |
| Compression | 7.75:1 / 16:1 |
| Description | Oliver-Waukesha / gasoline / 4-cylinder / liquid-cooled / Oliver-Waukesha / diesel / 4-cylinder / liquid-cooled |
| Displacement | 155 ci (2.5 L) / 155 ci (2.5 L) |
| Oil capacity | 4 qts (3.8 L) |
| Rated RPM | 2000 / 2000 |
| Starter volts | 12 / 12 |
| Engine type | Oliver-Waukesha 2.5L 4-cyl gasoline / Oliver-Waukesha 2.5L 4-cyl diesel |
| Engine type | Oliver-Waukesha 2.5L 4-cyl gasoline / Oliver-Waukesha 2.5L 4-cyl diesel |
| Drawbar (claimed) | 35.3 hp (26.3 kW) |
| Drawbar (tested) | 35.36 hp (26.4 kW) |
| PTO (claimed) | 41.39 hp (30.9 kW) |
| PTO (tested) | 41.39 hp (30.9 kW) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 6 forward and 2 reverse |
| Oil capacity | 20 qts (18.9 L) |
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Differential mechanical dry disc brakes |
| Drive type | Two-wheel drive |
| Steering | power assist |
Capacity
| Fuel | 13 gal (49.2 L) |
|---|---|
| Hydraulic system | 2.5 gal (9.5 L) |
Hydraulics
| Capacity | 2.5 gal (9.5 L) |
|---|---|
| Pump flow | 5.25 gpm (19.9 lpm) |
| Type | open center |
Hitch
| Rear Type | I |
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PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540/1000 |
Electrical
| Batteries | 2 (diesel) |
|---|---|
| Battery volts | 6 (diesel) |
| Ground | positive |
Dimensions & Tires
| Front tread | 48 to 76 inches (121 to 193 cm) |
|---|---|
| Height (hood) | 50.1 inches (127 cm) |
| Height (steering wheel) | 58 inches (147 cm) |
| Length | 119.9 inches (304 cm) |
| Rear tread | 48 to 76 inches (121 to 193 cm) |
| Wheelbase | 72.9 inches (185 cm) |
| Front tire | 6.00-16 |
| Rear tire | 12-26 |
| Weight | 3070 to 3730 pounds |
| Wheelbase | 72.9 inches (185 cm) |
| Ag front | 6.00-16 |
| Ag rear | 12-26 |
550 Serial Number Location
| Description | Serial number plate located on the left side of the Oliver 550, above the foot rest. |
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550 Serial Numbers
| 1958 | 60501 |
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| 1959 | 72632 |
| 1960 | 84416 |
| 1961 | 111868 |
| 1962 | 117541 |
| 1963 | 127365 |
| 1964 | 140620 |
| 1965 | 162265 |
| 1966 | 171923 |
| 1967 | 186165 |
| 1968 | 206095 |
| 1969 | 213340 |
| 1970 | 222833 |
| 1971 | 226965 |
| 1972 | 232918 |
| 1973 | 238237 |
| 1974 | 248375 |
| 1975 | 259255 |
| Description | FAQ: How to read a serial number table. |
| Final | 259491 |
Nebraska Tractor Test 697
| Description | Gasoline 6-speed 2WDMay 11 - 26, 1959Link: Nebraska Tractor Test 697 file / PTO performance / Drawbar performance / Gear 4 used for power test. / Gear 2 used for pull test. |
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| Fuel use | 3.3 gal/hour (12.5 l/hour) / 3.3 gal/hour (12.5 l/hour) |
| Max power | 41.39 hp (30.9 kW) / 35.36 hp (26.4 kW) |
| Max pull | 5146 lbs (2334 kg) |
Nebraska Tractor Test 698
| Description | Diesel 6-speed 2WDMay 13 - 26, 1959Link: Nebraska Tractor Test 698 file / PTO performance / Drawbar performance / Gear 4 used for power test. / Gear 2 used for pull test. |
|---|---|
| Fuel use | 2.8 gal/hour (10.6 l/hour) / 2.8 gal/hour (10.6 l/hour) |
| Max power | 39.21 hp (29.2 kW) / 35.09 hp (26.2 kW) |
| Max pull | 5110 lbs (2317 kg) |
Oliver 550 Weight
| Diesel Shipping | 3170 lbs (1437 kg) |
|---|---|
| Gas Shipping | 3070 lbs (1392 kg) |
| Operating | 3730 lbs (1691 kg) |
References
| Description | 3-Plow Power 550 Tractor published in 1962, by Oliver / Technical Service Manual Electrical Systems (432613) published in 1973 |
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Tractor Tests
| Description | NTTL 697: gasoline 6-speed 2WD / NTTL 698: diesel 6-speed 2WD |
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