Specifications
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| Model information | |
| Production years | 1959 - 1964 |
| Equipment type | Row-Crop tractor |
| Production | |
| Manufacturer | Oliver |
| Equipment type | Row-Crop tractor |
| Original price | Original price was $3,450 in 1964 |
| Oliver 660 Engines | |
| Engine | Waukesha-Oliver 2.5L 4-cyl gasoline Waukesha-Oliver 2.5L 4-cyl diesel |
| Details | Engine details ... |
| Oliver 660 Transmission | |
| Transmission | 6-speed unsynchronized gear |
| Details | Transmission details ... |
| Oliver 660 Power | |
| PTO (claimed) | 41 hp 30.6 kW |
| Plows | 3 |
| Drawbar (tested) | 27.99 hp 20.9 kW |
| Belt (tested) | 33.69 hp 25.1 kW |
| Details | Performance test details ... |
| Mechanical | |
| Drive | Two-wheel drive |
| Cab / ROPS | Open operator station. |
| Capacity | |
| Fuel | 13 gal 49.2 L |
| Hydraulic system | 9.5 gal 36.0 L |
| Hydraulics | |
| Capacity | 9.5 gal 36.0 L |
| Pump flow | 8 gpm 30.3 lpm |
| Power Take-off (PTO) | |
| Rear PTO | independent |
| Rear PTO Type | 540 |
| Engine RPM | 533@1750 |
| Dimensions & Tires | |
| Wheelbase | 92 inches 233 cm |
| Weight | 3128 to 3178 pounds |
| Front tire | 5.00-16 |
| Rear tire | 9-38 |
| Details | Full dimensions and tires ... |
| 660 Serial Number Location | |
| Location | Bottom of dashboard below steering wheel. |
| 660 Serial Numbers | |
| 1959 | 73132 |
| 1960 | 86166 |
| 1961 | 111213 |
| 1962 | 117873 |
| 1963 | 127356 |
| 1964 | 141160 |
| Details | FAQ: How to read a serial number table. |
| References | |
| Publication | New Full 3-Plow 660 Tractor published in 1958, by Oliver |
Values may vary by engine, transmission or configuration. View source page
Model family
Series map
*Estimated engine power for comparison only.