Oliver 1800 Tractor
The Oliver 1800 is a large 1950s and 1960s row-crop tractor known for six-cylinder power and approximately 74 to 77 PTO horsepower in widely documented diesel tests. It was a serious general-purpose field tractor, valued for its smooth engine, independent PTO, and Hydra-Power option.
Oliver 1800 specifications
| Production years | 1958-1964, across series |
|---|---|
| Engine | 265 cu in Waukesha-Oliver six-cylinder diesel |
| Power | About 74 to 77 PTO hp, diesel |
| Transmission | 6-speed gear; 12-speed Hydra-Power option |
| Weight | About 8,585 lb, Series A 2WD |
| Fuel type | Diesel; gasoline versions offered |
| PTO | Independent 540/1000 rpm rear PTO |
| Drive | 2WD; later 4WD versions available |
What the 1800 is used for
The 1800 was built for plowing, disking, planting, hay work, and other larger-acreage jobs. Its size and power placed it well above utility-tractor duty.
Today, it is used for restoration, hay equipment, moderate tillage, and tractor events. Implement selection should follow the exact series and engine, since specifications varied during the model's run.
Why the Oliver 1800 stands out
The 1800 has a loyal following for its smooth six-cylinder performance, comfortable layout, and useful Hydra-Power transmission option. Diesel versions are especially desirable, and the model benefits from strong Oliver collector and aftermarket support.
Buying a used Oliver 1800
Identify the exact series and engine before buying parts or estimating power. Test the Hydra-Power, independent PTO, lift hydraulics, clutch, brakes, and steering, and inspect diesel starting behavior, oil pressure, and cooling-system condition; confirm exact figures with TractorData.com or serial-number records.
Oliver 1800 frequently asked questions
How much horsepower does an Oliver 1800 have?
Diesel examples are commonly documented around 74 to 77 PTO horsepower, depending on series and test.
What years was the Oliver 1800 made?
The 1800 line was produced from 1958 to 1964 across its series.
Are parts available for an Oliver 1800?
Many routine maintenance and overhaul parts remain available, but availability varies by engine, series, and component.
Specifications are commonly cited figures for general reference; exact figures vary by year and serial number, so confirm against TractorData.com and the machine's records. Values and prices of used tractors vary by condition and region. Page updated Aug 4, 2026.