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Tractor · 1971Unverified

Oliver 2055

Name: Oliver 2055
Brand: Oliver

Oliver 2055 — 55 Series · 111 hp. Reference specifications; pending source verification.

The Oliver 2055 is a tractor characterised by its 111 hp rated power, a mid-range figure for its class. It was manufactured in 1971 and features a 6-cylinder diesel liquid-cooled engine paired with four-wheel drive and a powershift transmission. The tractor's operating weight is listed as 10700 to 11250 pounds. It is suitable for operations spanning 200–800 acres.

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

Catalogue coverage

Variants represented

Richest spec table

98 rows

Recorded power

111 hp

Transmissions

10-speed two-speed power shift

Production years

1971-1971

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

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.

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