Tractor · 1971Unverified
Oliver 2055
Oliver 2055 — 55 Series · 111 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
111 hp
Max power
75.3 kW
Weight
10700 to 11250 pounds
Hover a source tag to verify
Overview
ManufacturerOliverReference
Row-Crop tractorReference
Built in Minneapolis, Minnesota, USAReference
Original price was $11,800 in 1971Reference
Two- or four-wheel driveReference
Power steeringReference
Disc brakesReference
Open operator station. Cab optional with heat and A/CReference
Engine
Minneapolis-Moline 8.3L 6-cyl dieselReference
Minneapolis-Moline 8.3L 6-cyl LP gasReference
Fuel tank151.4 LReference
Drawbar (claimed)76.1 kWReference
Drawbar (tested)75.3 kWReference
Minneapolis-MolineReference
dieselReference
6-cylinderReference
liquid-cooledReference
Displacement8.3 LReference
Bore/Stroke117 x 127 mmReference
Rated RPM1800Reference
Firing order1-5-3-6-2-4Reference
Starter volts12Reference
Oil capacity12.3 LReference
Coolant capacity31.2 LReference
LP gasReference
Air cleanerdryReference
Compression8.8:1Reference
Coolant capacity28.4 LReference
Power at rated engine speed82.6 kWReference
Max power75.3 kWReference
Power at rated engine speed82.6 kWReference
Max power72.6 kWReference
Transmission
10-speed two-speed power shiftReference
15-speed three-speed power shiftReference
TransmissionMinneapolis-Moline Ampli-TorcReference
Typetwo-speed power shiftReference
Gears10 forward and 2 reverseReference
Clutch355.6mm dry discReference
Oil capacity83.3 LReference
TransmissionAmpli-TorcReference
Typethree-speed power shiftReference
Gears15 forward and 3 reverseReference
Five-speed transmission with three-speed power shift.Reference
PTO & Hydraulics
PTO (claimed)82.0 kWReference
PTO (tested)82.6 kWReference
Typeopen centerReference
Typeclosed centerReference
Valves2 or 3Reference
Rear TypeIII/IIReference
Rear PTOindependentReference
Clutchwet discReference
Rear PTO Type1000 (1.375)Reference
Rear PTO Type540/1000 (1.375)Reference
Dimensions
Row-crop Wheelbase265 cmReference
Standard Wheelbase263 cmReference
Weight10700 to 11250 poundsReference
Front tire7.50-16Reference
Rear tire18.4-34Reference
Ag front7.50-16Reference
Ag rear18.4-34Reference
Length434 cmReference
Width239 cmReference
Height (steering wheel)198 cmReference
Height (hood)182 cmReference
Row-crop Clearance (front axle)57 cmReference
Standard Clearance (front axle)39 cmReference
Clearance (rear axle)63 cmReference
Row-crop Front tread142 to 203 cmReference
Standard Front tread137 cmReference
Rear tread152 to 228 cmReference
Diesel row-crop5080 kgReference
LP-gas row-crop5103 kgReference
Diesel standard4853 kgReference
LP-gas standard4876 kgReference
2055 Serial Numbers
197143-100-416Reference
Final43-100-544Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
LP-gas Batteries1Reference
Diesel Batteries2Reference
Battery volts12Reference
Test results
NTTL 953: diesel 10-speed 2WDReference
NTTL 954: LP gas 10-speed 2WDReference
Diesel 10-speed 2WDNovember 4 - 15, 1966Link: Nebraska Tractor Test 953 fileReference
PTO performanceReference
Fuel use30.7 l/hourReference
Drawbar performanceReference
Fuel use31.4 l/hourReference
Gear 2DD used for power test.Reference
Max pull6449 kgReference
Gear 2DD used for pull test.Reference
LP gas 10-speed 2WDNovember 4 - 15, 1966Link: Nebraska Tractor Test 954 fileReference
Fuel use43.1 l/hourReference
Fuel use43.5 l/hourReference
Max pull6353 kgReference
Gear 1AT used for pull test.Reference
Speeds
With 18.4-34 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.