Oliver 550

1958 – 1975Farm tractor

The Oliver 550 is a farm tractor produced from 1958 to 1975. The available specifications cover 2 engine configurations and 1 transmission option; equipment could vary by production year and market.

ManufacturerOliver

CategoryFarm tractor

Engine options2

Transmissions1

Specification section

Specifications at a glance

Drawbar (claimed): 35.3 hp 26.3 kW
PTO (claimed): 41.39 hp 30.9 kW
Drawbar (tested): 35.36 hp 26.4 kW
PTO (tested): 41.39 hp 30.9 kW
Engine options: 2 options
Transmission options: 1 options
Drive: 2WD
PTO: 540/1000 rpm
Operating weight: 1,393–1,692 kg
Production years: 1958–1975

Typical uses

✓
Mixed-farm utility work
Suited to a broad mix of routine field, yard and general farm duties.
✓
PTO and three-point implements
Compatible with PTO-driven equipment and mounted implements through the rear three-point hitch.
✓
Field and transport duties
Useful for moving loads, field operations and general transport around the farm.

Series lineup

View related models →

Smaller modelSuper 551954–1958

Smaller model440

Current model5501958–1975

Larger model660

Production and identification

Production

Production years: 1958–1975
Factory: Charles City, Iowa, USA
Original price: $4,400 in 1975≈ $27,300 in 2026 dollarsInflation-adjusted estimate based on U.S. CPI-U. Not a current market value.

Serial number plate

Serial number plate located on the left side of the Oliver 550, above the foot rest.

Serial number table

Year	Starting serial number
1958	60501
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