Tractor · 1972Unverified
Oliver 2255
Oliver 2255 — 55 Series · 147 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
147 hp
Max power
86.0 kW
Weight
7484 kg
Hover a source tag to verify
Overview
ManufacturerOliverReference
Row-Crop tractorReference
Built in Charles City, Iowa, USAReference
Total built2,160Reference
Original price was $18,500 in 1976Reference
Two- or four-wheel driveReference
Power steeringReference
Hydraulic disc brakesReference
Open operator station. Optional ROPS. Cab available with optional heat and air-conditioning.Reference
Engine
Caterpillar 9.4L 8-cyl dieselReference
Caterpillar 10.4L 8-cyl dieselReference
Fuel tank132.5 LReference
Fuel tank113.6 LReference
Fuel tank295.2 LReference
Drawbar (tested)86.0 kWReference
Caterpillar 3150Reference
dieselReference
8-cylinderReference
liquid-cooled V-8Reference
Displacement9.4 LReference
Bore/Stroke114 x 114 mmReference
Air cleanerdry elementReference
Compression17:1Reference
Rated RPM2600Reference
Starter volts12Reference
Oil capacity12.3 LReference
Coolant capacity37.9 LReference
Caterpillar 3208Reference
liquid-cooledReference
The Caterpillar 3208 replaced the 3150 in 1974, at tractor serial number 248722. Oliver listed the tractor at 147 horsepower, similar to the rating with the 3150.Reference
Displacement10.4 LReference
Bore/Stroke114 x 127 mmReference
Compression16.5:1Reference
Rated RPM2800Reference
Power at rated engine speed109.4 kWReference
Max power86.0 kWReference
Transmission
18-speed partial power shiftReference
6-speedReference
TransmissionHydraul-ShiftReference
Typepartial power shiftReference
Gears18 forward and 6 reverseReference
Clutch14-inch dry discReference
Gears6 forward and 2 reverseReference
PTO & Hydraulics
PTO (tested)109.4 kWReference
Typeclosed centerReference
Valves1 to 4Reference
Pump flow75.7 lpmReference
Rear TypeII/IIIReference
Controldraft controlReference
Rear lift2721 kgReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Rear PTO Type540/1000Reference
Power at rated PTO speed110.1 kWReference
Dimensions
2WD Wheelbase275 cmReference
4WD Wheelbase212 cmReference
Weight7484 kgReference
Front tire11.00-16Reference
Rear tire18.4-38Reference
2WD Ag front11.00-16Reference
2WD Ag front14.00Lx16.1Reference
4WD Ag front14.9-26Reference
4WD Ag front16.9-26Reference
Ag rear18.4-38Reference
Ag rear23.1-34Reference
Ag rear20.8-38Reference
2WD Length421 cmReference
4WD Length391 cmReference
Width207 cmReference
2WD Clearance (front axle)62 cmReference
4WD Clearance (front axle)39 cmReference
2WD Clearance (rear axle)69 cmReference
4WD Clearance (rear axle)69 cmReference
2WD Front tread152 to 203 cmReference
4WD Front tread167 to 179 cmReference
Rear tread154 to 231 cmReference
Steering wheel216 cmReference
2255 Serial Numbers
1972235-598Reference
1973237-210Reference
1974244-825Reference
1975258-472Reference
1976266-683Reference
FAQ: How to read a serial number table.Reference
Oliver 2255 Height
2WD Exhaust268 cmReference
4WD Exhaust271 cmReference
Test results
Diesel 18-speed 2WDSeptember 4 - 17, 1973Link: Nebraska Tractor Test 1140 fileReference
PTO performanceReference
Fuel use35.6 l/hourReference
Drawbar performanceReference
Fuel use29.5 l/hourReference
Gear 4-Direct used for power test.Reference
Max pull6699 kgReference
Gear 2-Direct used for pull test.Reference
Speeds
With 18.4-38 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.