Tractor · 1948Unverified
Oliver 77 Row-Crop
Oliver 77 Row-Crop — Fleetline Series · 33 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
33 hp
Max power
21.4 kW
Weight
4207 to 4502 pounds
Hover a source tag to verify
Overview
ManufacturerOliverReference
Row-Crop tractorReference
Built in Charles City, Iowa, USAReference
Original price was $3,000 in 1954Reference
Two-wheel driveReference
SteeringmanualReference
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)24.5 kWReference
Belt (tested)27.7 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
Starter volts12Reference
Coolant capacity17.0 LReference
LP gasReference
liquid-cooledReference
Starter volts6Reference
Belt power (max)25.3 kWReference
Max power21.4 kWReference
Belt power (max)27.7 kWReference
Max power24.5 kWReference
Belt power (max)26.7 kWReference
Max power22.7 kWReference
Belt power (max)27.1 kWReference
Max power24.1 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
Wheelbase230 cmReference
Weight4207 to 4502 poundsReference
Front tire5.50-16Reference
Rear tire10-38Reference
Ag front5.50-16Reference
Ag rear10-38Reference
Ag rear11-38Reference
Ag rear12-38Reference
Length353 cmReference
Width203 cmReference
Height190 cmReference
Height (hood)156 cmReference
Ground clearance63 cmReference
Front tread19/32 cmReference
Front tread152 to 227 cmReference
Rear tread152 to 234 cmReference
Operating1908 kgReference
Operating2042 kgReference
Ballasted3720 kgReference
77 Serial Numbers
Location:early: rear main frame and transmission, front-right sideReference
Location:later: below instrument panelReference
1948320001Reference
1949320241Reference
1950327901Reference
1951337243Reference
1952347904Reference
19533500001Reference
19544501667Reference
Final4504470Reference
FAQ: How to read a serial number table.Reference
Capacities
Diameter30 cmReference
Width18 cmReference
RPM992Reference
Speed938.78 meters/minReference
Test results
NTTL 404: gasoline 6-speed 2WDReference
NTTL 425: gasoline 6-speed 2WDReference
NTTL 457: diesel 6-speed 2WDReference
NTTL 470: LP gas 6-speed 2WDReference
Gasoline 6-speed 2WDOctober 21 - November 9, 1948Link: Nebraska Tractor Test 404 fileReference
Belt fuel use (max)11.4 l/hourReference
Drawbar performanceReference
Gear 3 used for power test.Reference
Max pull1848 kgReference
Gear 1 used for pull test.Reference
Gasoline 6-speed 2WDSeptember 23 - 29, 1949Link: Nebraska Tractor Test 425 fileReference
Belt fuel use (max)13.2 l/hourReference
Max pull2138 kgReference
Diesel 6-speed 2WDMay 21 - 28, 1951Link: Nebraska Tractor Test 457 fileReference
Belt fuel use (max)9.5 l/hourReference
Max pull2185 kgReference
LP gas 6-speed 2WDApril 28 - May 10, 1952Link: Nebraska Tractor Test 470 fileReference
Belt fuel use (max)17.4 l/hourReference
Max pull2167 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.