Production
| Description | Row-Crop tractor / Original price was $3,450 in 1964 |
|---|---|
| Manufacturer | Oliver |
Engine
| Bore/Stroke | 3.62x3.75 inches (92 x 95 mm) / 3.62x3.75 inches (92 x 95 mm) |
|---|---|
| Compression | 7.75:1 / 16:1 |
| Coolant capacity | 14 qts (13.2 L) |
| Description | Waukesha-Oliver / gasoline / 4-cylinder / liquid-cooled / Waukesha-Oliver / 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 |
| Starter volts | 12 / 12 |
| Engine type | Waukesha-Oliver 2.5L 4-cyl gasoline / Waukesha-Oliver 2.5L 4-cyl diesel |
| Engine type | Waukesha-Oliver 2.5L 4-cyl gasoline / Waukesha-Oliver 2.5L 4-cyl diesel |
| Belt (tested) | 33.69 hp (25.1 kW) |
| Drawbar (tested) | 27.99 hp (20.9 kW) |
| Plows | 3 |
| PTO (claimed) | 41 hp (30.6 kW) |
Transmission
| Clutch | 235mm dry disc |
|---|---|
| Gears | 6 forward and 2 reverse |
| Transmission type | 6-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
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) |
PTO
| Engine RPM | 533@1750 |
|---|---|
| Rear PTO | independent |
| Rear PTO Type | 540 |
Dimensions & Tires
| Diesel Shipping weight | 3178 lbs (1441 kg) |
|---|---|
| Gas Shipping weight | 3128 lbs (1418 kg) |
| Ground clearance | 24.1 inches (61 cm) |
| Height | 87.4 inches (221 cm) |
| Length | 134.4 inches (341 cm) |
| Wheelbase | 92 inches (233 cm) |
| Width | 80.9 inches (205 cm) |
| Front tire | 5.00-16 |
| Rear tire | 9-38 |
| Weight | 3128 to 3178 pounds |
| Wheelbase | 92 inches (233 cm) |
| Ag front | 5.00-16 / 6.00-16 |
| Ag rear | 9-38 / 10-38 |
660 Serial Number Location
| Description | Bottom of dashboard below steering wheel. |
|---|
660 Serial Numbers
| 1959 | 73132 |
|---|---|
| 1960 | 86166 |
| 1961 | 111213 |
| 1962 | 117873 |
| 1963 | 127356 |
| 1964 | 141160 |
| Description | FAQ: How to read a serial number table. |
Nebraska Tractor Test 541
| Belt fuel use (max) | 3.1 gal/hour (11.7 l/hour) |
|---|---|
| Belt power (max) | 33.62 hp (25.1 kW) |
| Description | Gasoline 6-speed 2WDMay 16 - 19, 1955Link: Nebraska Tractor Test 541 file / Drawbar performance / Gear 4 used for power test. / Gear 1 used for pull test. |
| Max power | 27.99 hp (20.9 kW) |
| Max pull | 4,309 lbs (1954 kg) |
Nebraska Tractor Test 544
| Belt fuel use (max) | 2.4 gal/hour (9.1 l/hour) |
|---|---|
| Belt power (max) | 33.69 hp (25.1 kW) |
| Description | Diesel 6-speed 2WDMay 19 - 26, 1955Link: Nebraska Tractor Test 544 file / Drawbar performance / Gear 4 used for power test. / Gear 1 used for pull test. |
| Max power | 27.48 hp (20.5 kW) |
| Max pull | 4,393 lbs (1992 kg) |
References
| Description | New Full 3-Plow 660 Tractor published in 1958, by Oliver |
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Speeds
| Description | With 9-38 rear tires. |
|---|
Tractor Tests
| Description | NTTL 541: gasoline 6-speed 2WD / NTTL 544: diesel 6-speed 2WD |
|---|