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Tractor · 1965Unverified

Oliver 1550

Name: Oliver 1550
Brand: Oliver

Oliver 1550 — 50 Series · 54 hp. Reference specifications; pending source verification.

The Oliver 1550 is a compact tractor with a rated output of 54 hp, making it suitable for smaller-scale operations. Produced from 1965 to 1969, this model features a 6-cylinder diesel liquid-cooled engine, paired with a powershift transmission and two-wheel drive. The listed weight of the Oliver 1550 is 3175 kg, and it is designed for tasks involving approximately 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

54 hp

Max power

34.1 kW

Weight

3175 kg

Catalogue coverage

Variants represented

Richest spec table

92 rows

Recorded power

54 hp

Recorded weight

3175 kg

Transmissions

12-speed partial power shift

Production years

1965-1969

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 Charles City, Iowa, USAReference

Original price was $6,000 in 1969Reference

Two-wheel driveReference

Steeringpower assistReference

Disc brakesReference

Open operator station. Oliver Continental cab optional.Reference

Variants

Row-croptricycle front, single front, or adjustable wide frontReference

Wheatlandstandard frontReference

Utilitylow-clearanceReference

Engine

Oliver 3.8L 6-cyl dieselReference

Oliver 3.8L 6-cyl gasolineReference

Oliver 3.8L 6-cyl LP-gasReference

Gas Fuel tank104.1 LReference

Diesel Fuel tank104.1 LReference

LP-gas Fuel tank128.7 LReference

LP-gas Fuel tank295.2 LReference

Drawbar (tested)34.1 kWReference

OliverReference

dieselReference

6-cylinderReference

liquid-cooledReference

Displacement3.8 LReference

Bore/Stroke92 x 95 mmReference

Air cleanerdryReference

Compression16.5:1Reference

Rated RPM2200Reference

Starter volts12Reference

Oil capacity4.7 LReference

Coolant capacity18.9 LReference

gasolineReference

Compression8:1Reference

LP-gasReference

Compression8.75:1Reference

Power at rated engine speed39.9 kWReference

Max power34.1 kWReference

Power at rated engine speed39.7 kWReference

Max power33.9 kWReference

Transmission

12-speed partial power shiftReference

6-speed unsynchronized gearReference

TransmissionHydra-PowerReference

Typepartial power shiftReference

Gears12 forward and 4 reverseReference

Clutch279.4mm dry discReference

Oil capacity30.3 LReference

The Hydra-Power transmission provides a two-speed power shift between direct-drive and the lower Hydra-Power range.Reference

Typeunsynchronized gearReference

Gears6 forward and 2 reverseReference

PTO & Hydraulics

Gas PTO (claimed)39.5 kWReference

Diesel PTO (claimed)39.5 kWReference

LP-gas PTO (claimed)38.0 kWReference

PTO (tested)39.9 kWReference

Rear TypeII/IReference

Controllower-link draft sensingReference

Rear PTOindependentReference

Rear PTO Type540Reference

Rear PTO Type1000Reference

Rear PTO Type540/1000Reference

Dimensions

Wheelbase251 cmReference

Weight3175 kgReference

Front tire6.00-16Reference

Rear tire15.5-38Reference

Ag front6.00-16Reference

Ag rear15.5-38Reference

Length392 cmReference

Width207 cmReference

Height (exhaust)247 cmReference

Operating weight3175 kgReference

Ballasted weight3959 kgReference

Rear tread139 to 230 cmReference

Oliver 1550 attachments

front-end loaderReference

1550 Serial Numbers

1965157841Reference

1966168919Reference

1967184488Reference

1968196301Reference

1969213243Reference

Final218186Reference

FAQ: How to read a serial number table.Reference

Test results

NTTL 943: diesel Hydra-Power 2WDReference

NTTL 944: gasoline Hydra-Power 2WDReference

Diesel Hydra-Power 2WDJune 8 - 15, 1966Link: Nebraska Tractor Test 943 fileReference

PTO performanceReference

Fuel use16.3 l/hourReference

Drawbar performanceReference

Fuel use16.7 l/hourReference

Gear 4-Hydra used for power test.Reference

Max pull3010 kgReference

Gear 2-Hydra used for pull test.Reference

Gasoline Hydra-Power 2WDJune 8 - 16, 1966Link: Nebraska Tractor Test 944 fileReference

Fuel use18.5 l/hourReference

Max pull3084 kgReference

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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