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Tractor · 1949Unverified

Oliver 77 Standard

Name: Oliver 77 Standard
Brand: Oliver

Oliver 77 Standard — Fleetline Series · 28 hp. Reference specifications; pending source verification.

The Oliver 77 Standard is a tractor with a rated output of 28 hp — making it one of the more compact options in its class. The 77 Standard was produced from 1949 to 1952. Under the hood is a 6-cylinder diesel liquid-cooled engine, driving through two-wheel drive with a 6-speed gearbox. Listed weight is 1746 kg, and it is aimed at jobs of around up to 200 ac. Available dimensions and performance figures follow in both unit systems.

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

Rated power

28 hp

Max power

21.2 kW

Weight

1746 kg

Catalogue coverage

Variants represented

Richest spec table

75 rows

Recorded power

28 hp

Recorded weight

1746 kg

Transmissions

6-speed unsynchronized gear

Production years

1949-1952

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

Standard-tread tractorReference

Built in Charles City, Iowa, USAReference

Two-wheel driveReference

Manual steeringReference

Differential mechanical drum brakesReference

Open operator station.Reference

Variants

77 Row-Croptricycle chassisReference

77 Standardstandard frontReference

77 Orchardlow-profileReference

Engine

Waukesha-Oliver 3.2L 6-cyl gasolineReference

Waukesha-Oliver 3.2L 6-cyl dieselReference

Waukesha-Oliver 3.2L 6-cyl LP gasReference

Fuel tank62.5 LReference

Plows2-3Reference

Drawbar (tested)21.2 kWReference

Belt (tested)25.0 kWReference

Waukesha-OliverReference

gasolineReference

6-cylinderReference

liquid-cooled vertical I-headReference

Displacement3.2 LReference

Bore/Stroke84 x 95 mmReference

Air cleaneroil bathReference

Compression6.75:1Reference

Rated RPM1600Reference

Firing order1-5-3-6-2-4Reference

Oil capacity7.6 LReference

Coolant capacity12.8 LReference

dieselReference

Compression15.75:1Reference

Coolant capacity17.0 LReference

LP gasReference

liquid-cooledReference

Belt power (max)25.0 kWReference

Max power21.2 kWReference

Transmission

6-speed unsynchronized gearReference

Typeunsynchronized gearReference

Gears6 forward and 2 reverseReference

Clutchdry discReference

PTO & Hydraulics

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Dimensions

Wheelbase198 cmReference

Weight1746 kgReference

Front tire5.50-16Reference

Rear tire12-26Reference

Ag front5.50-16Reference

Ag rear12-26Reference

Length329 cmReference

Width163 cmReference

Height (steering wheel)176 cmReference

Height (hood)141 cmReference

Operating weight1746 kgReference

Ballasted weight3364 kgReference

Ground clearance29 cmReference

Front tread119/132 cmReference

Rear tread133 cmReference

77 Standard Serial Numbers

Location:Rear main frame and transmission, front-right sideReference

1948269001Reference

1949269941Reference

1950271267Reference

1951272466Reference

1952273376Reference

Final274051Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter197 cmReference

Width18 cmReference

RPM992Reference

Speed938.78 meters/minReference

Test results

Gasoline 6-speed 2WDOctober 21 - November 6, 1948Link: Nebraska Tractor Test 405 fileReference

Belt fuel use (max)11.0 l/hourReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull1724 kgReference

Gear 1 used for pull test.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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