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Years in Production / 1948–1954

Oliver

77

Explore the specifications, hardware, and original references for the Oliver 77.

Oliver 77 tractor MD2 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

37hp

Engine estimate · from belt

2WD Only

Drive

1948–1954

Production years

Oliver

Manufacturer

77 / 01

At a glance

Production

Row-Crop tractor

Built in Charles City, Iowa, USA

Original price was $3,000 in 1954

Manufacturer
Oliver

Mechanical

Two-wheel drive

Differential mechanical drum brakes

Open operator station.

Steering
manual

Pto

Rear Pto
independent OptOptional
Rear Type
540 (1.375)

Belt Pulley

Diameter
12 inches30 cm
Width
7.25 inches18 cm
Rpm
992
Speed
3080 ft/min938.78 meters/min

77 / 02

Under the hood

Engine Detail (Option 1)

Waukesha-Oliver

gasoline

6-cylinder

liquid-cooled vertical I-head

Displacement
193.9 ci3.2 L
Bore Stroke
3.3125x3.75 inches84 x 95 mm
Air Cleaner
oil bath
Compression Ratio
6.75:1
Rated Rpm
1600
Firing Order
1-5-3-6-2-4
Oil Capacity
8 qts7.6 L
Coolant Capacity
13.5 qts12.8 L
Fuel Type
gasoline
Cylinders
6
Cooling
liquid-cooled vertical I-head

Engine Detail (Option 2)

Waukesha-Oliver

diesel

6-cylinder

liquid-cooled vertical I-head

Displacement
193.9 ci3.2 L
Bore Stroke
3.3125x3.75 inches84 x 95 mm
Air Cleaner
oil bath
Compression Ratio
15.75:1
Rated Rpm
1600
Firing Order
1-5-3-6-2-4
Starter Volts
12
Coolant Capacity
18 qts17.0 L
Fuel Type
diesel
Cylinders
6
Cooling
liquid-cooled vertical I-head

Engine Detail (Option 3)

Waukesha-Oliver

LP gas

6-cylinder

liquid-cooled

Displacement
193.9 ci3.2 L
Bore Stroke
3.3125x3.75 inches84 x 95 mm
Air Cleaner
oil bath
Compression Ratio
6.75:1
Rated Rpm
1600
Starter Volts
6
Coolant Capacity
18 qts17.0 L
Fuel Type
LP gas
Cylinders
6
Cooling
liquid-cooled

Engine Options

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 gal62.5 L

77 / 03

Gears & controls

Transmission

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

77 / 04

Size. Stance. Footprint.

Dimensions

Length
139.25 in353 cm
Width
80.25 in203 cm
Height
75 in190 cm
Wheelbase
90.75 in230 cm
Ground clearance
24.9 in63 cm
Front tread
60 in152 cm
Rear tread
60 in152 cm

Dimensions And Tires

Wheelbase
90.75 inches230 cm
Weight
4207 to 4502 pounds
Front Tire
5.50-16
Rear Tire
10-38

Tires And Tracks

Front Ag
5.50-16
Rear Ag
10-38
Rear Ag
11-38
Rear Ag
12-38

77 / 05

Tractor Photos

Oliver 77 tractor MD2 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗

See it in action

Videos

Watch Oliver 77 videos from their original YouTube creators.

77 / 07

Tests (NTTL)

Nebraska Tractor Test 404

Gasoline 6-speed 2WDOctober 21 - November 9, 1948

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
404
Belt Power Max
33.98 hp25.3 kW
Belt Fuel Use Max
3.0 gal/hour11.4 l/hour
Max Power
28.68 hp21.4 kW
Max Pull
4,076 lbs1848 kg

Nebraska Tractor Test 425

Gasoline 6-speed 2WDSeptember 23 - 29, 1949

Drawbar performance

Gear 3 used for power test.

Id
425
Belt Power Max
37.17 hp27.7 kW
Belt Fuel Use Max
3.5 gal/hour13.2 l/hour
Max Power
32.89 hp24.5 kW
Max Pull
4,714 lbs2138 kg

Nebraska Tractor Test 457

Diesel 6-speed 2WDMay 21 - 28, 1951

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
457
Belt Power Max
35.79 hp26.7 kW
Belt Fuel Use Max
2.5 gal/hour9.5 l/hour
Max Power
30.43 hp22.7 kW
Max Pull
4,818 lbs2185 kg

Nebraska Tractor Test 470

LP gas 6-speed 2WDApril 28 - May 10, 1952

Drawbar performance

Gear 3 used for power test.

Gear 1 used for pull test.

Id
470
Belt Power Max
36.33 hp27.1 kW
Belt Fuel Use Max
4.6 gal/hour17.4 l/hour
Max Power
32.26 hp24.1 kW
Max Pull
4,778 lbs2167 kg

Oliver 77 · photo 1 / 1

Oliver 77 tractor MD2

Oliver 77 tractor MD2 — Acroterion, CC BY-SA 4.0. Resized; converted to WebP. · Acroterion · CC BY-SA 4.0 commons.wikimedia.org source ↗