Tractor · 1970Unverified
Oliver 1955
Oliver 1955 — 55 Series · 108 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
108 hp
Max power
67.4 kW
Weight
5103 kg
Hover a source tag to verify
Overview
ManufacturerOliver (a part of White)Reference
Row-Crop tractorReference
Original price was $14,250 in 1974Reference
Two- or four-wheel driveReference
Power steeringReference
Differential hydraulic dry disc brakesReference
Open operator station. Optional two-post ROPS and cab.Reference
Engine
Oliver-Waukesha 5.1L 6-cyl dieselReference
Fuel tank132.5 LReference
Drawbar (tested)67.4 kWReference
Oliver-WaukeshaReference
turbocharged dieselReference
6-cylinderReference
liquid-cooledReference
Displacement5.1 LReference
Bore/Stroke98 x 111 mmReference
Air cleanerdryReference
Rated RPM2400Reference
Starter volts12Reference
Coolant capacity18.9 LReference
Power at rated engine speed80.7 kWReference
Max power67.4 kWReference
Transmission
6-speed gearReference
18-speed partial power shiftReference
TypegearReference
Gears6 forward and 2 reverseReference
Clutch330mm cerametallic discReference
TransmissionHydraul-ShiftReference
Typepartial power shiftReference
Gears18 forward and 6 reverseReference
The Hydraul-Shift overs a power shift between over-, under-, and direct-drive for each gear.Reference
PTO & Hydraulics
PTO (claimed)80.5 kWReference
PTO (tested)80.7 kWReference
Typeclosed centerReference
Pressure151.7 barReference
Pump flow75.7 lpmReference
Rear TypeII/IIIReference
Rear lift2721 kgReference
Rear PTOindependentReference
Rear PTO Type1000Reference
Dimensions
2WD Wheelbase261 cmReference
4WD Wheelbase219 cmReference
Weight5103 kgReference
Front tire11L-15Reference
Rear tire20.8-38Reference
Ag front11L-15Reference
Ag rear20.8-38Reference
2WD Length405 cmReference
4WD Length387 cmReference
Width204 cmReference
Height (steering wheel)217 cmReference
Operating weight5103 kgReference
Ballasted weight7357 kgReference
2WD Ground clearance64 cmReference
4WD Ground clearance34 cmReference
2WD Front tread156 to 222 cmReference
4WD Front tread152/179/203 cmReference
Rear tread144 to 303 cmReference
1955 Serial Numbers
1970222-304Reference
1971226-858Reference
1972232-958Reference
1973239-032Reference
1974247-871Reference
Final253-050Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Battery volts12Reference
Test results
Diesel 18-speed 2WDOctober 15 - 24, 1970Link: Nebraska Tractor Test 1055 fileReference
PTO performanceReference
Fuel use26.1 l/hourReference
Drawbar performanceReference
Fuel use26.5 l/hourReference
Gear 3-direct used for power test.Reference
Max pull5733 kgReference
Gear 2-under 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.