Oliver 77 Tractor (1948-1954)

Manufacturer:Oliver

Price:3,000(USD)

Series:Fleetline Series

Model:77

Equipment Type: Row-Crop Tractors

Factory:Charles City, Iowa, USA

Full Specifications

NEBRASKA TRACTOR TEST 404 2

Description: Gasoline 6-speed 2WD/October 21 - November 9, 1948/Link: Nebraska Tractor Test 404 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max): 33.98 hp/25.3 kW
Belt fuel use (max): 3.0 gal/hour/11.4 l/hour
Max power: 28.68 hp/21.4 kW
Max pull: 4,076 lbs/1848 kg

NEBRASKA TRACTOR TEST 425 2

Description: Gasoline 6-speed 2WD/September 23 - 29, 1949/Link: Nebraska Tractor Test 425 file/Drawbar performance/Gear 3 used for power test.
Belt power (max): 37.17 hp/27.7 kW
Belt fuel use (max): 3.5 gal/hour/13.2 l/hour
Max power: 32.89 hp/24.5 kW
Max pull: 4,714 lbs/2138 kg

NEBRASKA TRACTOR TEST 457 2

Description: Diesel 6-speed 2WD/May 21 - 28, 1951/Link: Nebraska Tractor Test 457 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max): 35.79 hp/26.7 kW
Belt fuel use (max): 2.5 gal/hour/9.5 l/hour
Max power: 30.43 hp/22.7 kW
Max pull: 4,818 lbs/2185 kg

NEBRASKA TRACTOR TEST 470 2

Description: LP gas 6-speed 2WD/April 28 - May 10, 1952/Link: Nebraska Tractor Test 470 file/Drawbar performance/Gear 3 used for power test./Gear 1 used for pull test.
Belt power (max): 36.33 hp/27.1 kW
Belt fuel use (max): 4.6 gal/hour/17.4 l/hour
Max power: 32.26 hp/24.1 kW
Max pull: 4,778 lbs/2167 kg

OLIVER 77 POWER

Plows: 2-3
Drawbar (tested): 32.89 hp/24.5 kW
Belt (tested): 37.17 hp/27.7 kW

ENGINES OVERVIEW

Description: Waukesha-Oliver 3.2L 6-cyl gasoline/Waukesha-Oliver 3.2L 6-cyl diesel/Waukesha-Oliver 3.2L 6-cyl LP gas

ENGINE DETAIL 1

Description: Waukesha-Oliver/gasoline/6-cylinder/liquid-cooled vertical I-head
Displacement: 193.9 ci/3.2 L
Bore/Stroke: 3.3125x3.75 inches/84 x 95 mm
Air cleaner: oil bath
Compression: 6.75:1
Rated RPM: 1600
Firing order: 1-5-3-6-2-4
Oil capacity: 8 qts/7.6 L
Coolant capacity: 13.5 qts/12.8 L

ENGINE DETAIL 2

Description: Waukesha-Oliver/diesel/6-cylinder/liquid-cooled vertical I-head
Displacement: 193.9 ci/3.2 L
Bore/Stroke: 3.3125x3.75 inches/84 x 95 mm
Air cleaner: oil bath
Compression: 15.75:1
Rated RPM: 1600
Firing order: 1-5-3-6-2-4
Starter volts: 12
Coolant capacity: 18 qts/17.0 L

ENGINE DETAIL 3

Description: Waukesha-Oliver/LP gas/6-cylinder/liquid-cooled
Displacement: 193.9 ci/3.2 L
Bore/Stroke: 3.3125x3.75 inches/84 x 95 mm
Air cleaner: oil bath
Compression: 6.75:1
Rated RPM: 1600
Starter volts: 6
Coolant capacity: 18 qts/17.0 L

OLIVER 77 ENGINES

Description: Waukesha-Oliver 3.2L 6-cyl gasoline/Waukesha-Oliver 3.2L 6-cyl diesel/Waukesha-Oliver 3.2L 6-cyl LP gas
Fuel tank: 16.5 gal/62.5 L

TRANSMISSION

Type: unsynchronized gear
Gears: 6 forward and 2 reverse
Clutch: dry disc

MECHANICAL

Chassis: 4x2 2WD
Steering: manual
Brakes: differential mechanical drum
Cab: Open operator station.
Transmission: 6-speed unsynchronized gear

POWER TAKE-OFF (PTO)

Rear RPM: 540

OLIVER 77 TIRES

Ag front: 5.50-16
Ag rear: 10-38/11-38/12-38

DIMENSIONS

Wheelbase: 90.75 inches/230 cm
Length: 139.25 inches/353 cm
Height: 75 inches/190 cm
Ground clearance: 24.9 inches/63 cm
Front tread: 60 to 89.75 inches/152 to 227 cm (wide-front)
Rear tread: 60 to 92.5 inches/152 to 234 cm

OLIVER 77 WEIGHT

Operating: 4,207 lbs/1908 kg (gas)/4,502 lbs/2042 kg (diesel)
Ballasted: 8,203 lbs/3720 kg

DIMENSIONS & TIRES

Wheelbase: 90.75 inches/230 cm
Weight: 4207 to 4502 pounds
Front tire: 5.50-16
Rear tire: 10-38

77 SERIAL NUMBERS

Location: early: rear main frame and transmission, front-right side/later: below instrument panel
1948: 320001
1949: 320241
1950: 327901
1951: 337243
1952: 347904
1953: 3500001
1954: 4501667
Final: 4504470

BELT PULLEY

Diameter: 12 inches/30 cm
Width: 7.25 inches/18 cm
RPM: 992
Speed: 3,080 ft/min/938.78 meters/min

About Oliver Tractor

The 77 tractor is part of the Oliver's Fleetline Series. The 77 is a kind of Row-Crop Tractors and that is mostly used for Agriculture Tractors purposes. The engine of the 77 tractors is impressive. This configuration provides better real-world usability.