Overview
The Oliver 1555 is a row-crop tractor produced between 1969 and 1975 featuring a 3.8L 6-cylinder engine available in both diesel and gasoline configurations. It is equipped with an open operator station, power steering, and an independent 540 RPM rear PTO, with a 1975 original price of $6,500.
Ideal Applications
Transmission and Drive Configuration:
The tractor utilizes a 2WD drive type and is available with either a 6-speed unsynchronized gear transmission or a 12-speed Hydra-Power partial power shift system.
Tested Power and Fuel Performance:
Nebraska Tractor Test 943 recorded the diesel model at 53.50 hp for PTO and 45.7 hp for drawbar pull, with a fuel consumption rate of 4.3 gallons per hour.
Dimensions and Chassis Specifications:
The unit features a 99-inch wheelbase and adjustable tread widths, with the front tread ranging from 51.5 to 87.5 inches and the rear tread from 56.5 to 89.5 inches.
Production
| Description | Row-Crop tractor / Original price was $6,500 in 1975 |
|---|---|
| Manufacturer | Oliver (a part of White) |
Engine
| Air cleaner | dry / dry |
|---|---|
| Bore/Stroke | 3.625x3.75 inches (92 x 95 mm) / 3.625x3.75 inches (92 x 95 mm) |
| Compression | 165:1 / 8:1 |
| Coolant capacity | 20 qts (18.9 L) / 20 qts (18.9 L) |
| Description | Oliver-Waukesha / diesel / 6-cylinder / liquid-cooled / Oliver-Waukesha / gasoline / 6-cylinder / liquid-cooled |
| Displacement | 232 ci (3.8 L) / 232 ci (3.8 L) |
| Oil capacity | 6 qts (5.7 L) / 6 qts (5.7 L) |
| Rated RPM | 2200 / 2200 |
| Starter volts | 12 / 12 |
| Engine type | Oliver-Waukesha 3.8L 6-cyl diesel / Oliver-Waukesha 3.8L 6-cyl gasoline |
| Engine type | Oliver-Waukesha 3.8L 6-cyl diesel / Oliver-Waukesha 3.8L 6-cyl gasoline |
| Drawbar (tested) | 45.7 hp (34.1 kW) |
| PTO (claimed) | 53 hp (39.5 kW) |
| PTO (tested) | 53.50 hp (39.9 kW) |
Transmission
| Clutch | 279.4mm dry disc / 279.4mm dry disc |
|---|---|
| Description | The Hydra-Power transmission provides a two-speed power shift between direct-drive and the lower Hydra-Power range. |
| Gears | 12 forward and 4 reverse / 6 forward and 2 reverse |
| Oil capacity | 40 qts (37.9 L) |
| Transmission | Hydra-Power |
| Type | partial power shift / unsynchronized gear |
| Transmission type | 12-speed partial power shift / 6-speed unsynchronized gear |
| Transmission type | 12-speed partial power shift / 6-speed unsynchronized gear |
Mechanical
| Cab | Open operator station. Cab optional with available heater. |
|---|---|
| Description | Power steering / Disc brakes |
| Drive type | Two-wheel drive |
Capacity
| Fuel | 27.5 gal (104.1 L) |
|---|---|
| Hydraulic system | 14 gal (53.0 L) |
Hydraulics
| Capacity | 14 gal (53.0 L) |
|---|---|
| Type | open center |
| Valves | 2 to 4 |
Hitch
| Control | lower-link draft control |
|---|---|
| Rear Type | II/I |
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Dimensions & Tires
| Front tread | 51.5 to 87.5 inches (130 to 222 cm) |
|---|---|
| Ground clearance | 25.375 inches (64 cm) |
| Height (exhaust) | 97.625 inches (247 cm) |
| Height (steering wheel) | 80 inches (203 cm) |
| Length | 154.5 inches (392 cm) |
| Rear tread | 56.5 to 89.5 inches (143 to 227 cm) |
| Shipping weight | 6841 lbs (3103 kg) |
| Wheelbase | 99 inches (251 cm) |
| Width | 81.5 inches*Minimum width (207 cm) |
| Front tire | 7.50-16 |
| Rear tire | 15.5-38 |
| Weight | 6841 lbs (3103 kg) |
| Wheelbase | 99 inches (251 cm) |
| Ag front | 7.50-16 / 5.50-16 |
| Ag rear | 15.5-38 / 12.4-38 |
1555 Serial Numbers
| 1969 | 218-128 |
|---|---|
| 1970 | 221-295 |
| 1971 | 225-914 |
| 1972 | 232-089 |
| 1973 | 236-883 |
| 1974 | 244-937 |
| 1975 | 256-165 |
| Description | FAQ: How to read a serial number table. |
| Final | 262-877 |
| Location: | Serial number plate below instrument panel. |
Nebraska Tractor Test 943
| Description | Diesel Hydra-Power 2WDJune 8 - 15, 1966Link: Nebraska Tractor Test 943 file / PTO performance / Drawbar performance / Gear 4-Hydra used for power test. / Gear 2-Hydra used for pull test. |
|---|---|
| Fuel use | 4.3 gal/hour (16.3 l/hour) / 4.4 gal/hour (16.7 l/hour) |
| Max power | 45.7 hp (34.1 kW) |
| Max pull | 6,636 lbs (3010 kg) |
| Power at rated engine speed | 53.50 hp (39.9 kW) |
Nebraska Tractor Test 944
| Description | Gasoline Hydra-Power 2WDJune 8 - 16, 1966Link: Nebraska Tractor Test 944 file / PTO performance / Drawbar performance / Gear 4-Hydra used for power test. / Gear 2-Hydra used for pull test. |
|---|---|
| Fuel use | 4.9 gal/hour (18.5 l/hour) / 4.9 gal/hour (18.5 l/hour) |
| Max power | 45.4 hp (33.9 kW) |
| Max pull | 6,799 lbs (3084 kg) |
| Power at rated engine speed | 53.3 hp (39.7 kW) |
References
| Description | A Modern Line-Up in Power published in 1969, by Oliver / Technical Service Manual Electrical Systems (432613) published in 1973 / 1975 Farm Equipment Line published by White |
|---|---|
| Drive type | 1555/1655 Row Crop & 4-Wheel Drive Tractors published by Oliver |
Tractor Tests
| Description | NTTL 943: diesel Hydra-Power 2WD / NTTL 944: gasoline Hydra-Power 2WD |
|---|