Tractor · 1949Unverified
Oliver 77 Standard
Oliver 77 Standard — Fleetline Series · 28 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
28 hp
Max power
21.2 kW
Weight
1746 kg
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.