Production
| Description | Row-Crop tractor / Built in Charles City, Iowa, USA |
|---|---|
| Manufacturer | Oliver |
| Original price | $2,000 (1954) |
Engine
| Air cleaner | oil bath / oil bath |
|---|---|
| Bore/Stroke | 3.3125x3.75 inches (84 x 95 mm) / 3.3125x3.75 inches (84 x 95 mm) |
| Compression | 6.75:1 / 15.5:1 |
| Coolant capacity | 14 qts (13.2 L) |
| Description | Oliver-Waukesha / gasoline / 4-cylinder / liquid-cooled vertical I-head / Oliver-Waukesha / diesel / 4-cylinder / liquid-cooled vertical I-head |
| Displacement | 129 ci (2.1 L) / 129.3 ci (2.1 L) |
| Fuel system | Marvel-Schebler carburetor |
| Rated RPM | 1600 / 1600 |
| Engine type | Oliver-Waukesha 2.1L 4-cyl gasoline / Oliver-Waukesha 2.1L 4-cyl diesel |
| Engine type | Oliver-Waukesha 2.1L 4-cyl gasoline / Oliver-Waukesha 2.1L 4-cyl diesel |
| Fuel tank | 10 gal (37.9 L) |
| Belt (tested) | 25.03 hp (18.7 kW) |
| Drawbar (tested) | 22.50 hp (16.8 kW) |
| Plows | 2 (14-inch) |
Transmission
| Clutch | dry disc |
|---|---|
| Gears | 6 forward and 2 reverse |
| Transmission type | 6-speed unsynchronized gear |
| Type | unsynchronized gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Contracting band brakes |
| Drive type | Two-wheel drive |
| Steering | manual |
Hitch
| Type | Oliver Hydra-Lift |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Dimensions & Tires
| Front tread | 6.6/11.7 inches (tricycle) (16/29 cm) / 50.75 to 87.75 inches (wide-front) (128 to 222 cm) |
|---|---|
| Ground clearance | 24.4 inches (61 cm) |
| Height | 85.25 inches (216 cm) |
| Length | 134.8 inches (342 cm) |
| Rear tread | 60 to 88 inches (152 to 223 cm) |
| Wheelbase | 86.75 inches (220 cm) |
| Front tire | 5.00-15 |
| Rear tire | 8-38 |
| Weight | 3193 to 3795 pounds |
| Wheelbase | 86.75 inches (220 cm) |
| Ag front | 5.00-15 |
| Ag rear | 8-38 |
66 Serial Numbers
| 1949 | 420001 |
|---|---|
| 1950 | 423101 |
| 1951 | 426011 |
| 1952 | 429771 |
| 1953 | 3503990 |
| 1954 | 4500309 |
| Description | FAQ: How to read a serial number table. |
| Final | 4503563 |
Belt Pulley
| Diameter | 11.875 inches (30 cm) |
|---|---|
| RPM | 987 |
| Speed | 3,065 ft/min (934.21 meters/min) |
| Width | 7.25 inches (18 cm) |
Nebraska Tractor Test 412
| Belt fuel use (max) | 2.1 gal/hour (7.9 l/hour) |
|---|---|
| Belt power (max) | 24.91 hp (18.6 kW) |
| Description | Gasoline 6-speed 2WDJune 6 - 24, 1949Link: Nebraska Tractor Test 412 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 21.03 hp (15.7 kW) |
| Max pull | 3,207 lbs (1454 kg) |
Nebraska Tractor Test 467
| Belt fuel use (max) | 1.8 gal/hour (6.8 l/hour) |
|---|---|
| Belt power (max) | 25.03 hp (18.7 kW) |
| Description | Diesel 6-speed 2WDOctober 12 - 18, 1951Link: Nebraska Tractor Test 467 file / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
| Max power | 22.50 hp (16.8 kW) |
| Max pull | 3,571 lbs (1619 kg) |
Oliver 66 Weight
| Ballasted | 5,563 lbs (2523 kg) |
|---|---|
| Operating | 3,193 lbs (gas) (1448 kg) |
References
| Description | Diesel Tractors - 66, 77, 88 published in 1952, by Oliver |
|---|
Tractor Tests
| Description | NTTL 412: gasoline 6-speed 2WD / NTTL 467: diesel 6-speed 2WD |
|---|
Variants
| 66R | row-crop |
|---|---|
| 66S | standard |