Oliver 77

Name: Oliver 77
Brand: Oliver

Power

37 hp[B] hp

Production

1948-1954

Engine

LP gas, 6-cylinder

Transmission

Unsynchronized gear

Drive

2WD

25–40 HP 1940s 1950s

From the same series:

Introduction

Oliver 77: The Enduring Powerhouse of the Field

Step back in time and discover the Oliver 77, a true workhorse of American agriculture that served farmers faithfully between 1948 and 1954. Built with ruggedness and reliability in mind, this row-crop tractor embodies the spirit of innovation and dependability that Oliver was known for. Whether you're a collector of vintage machinery or a farmer seeking a robust machine for lighter tasks, the Oliver 77 offers a compelling blend of classic design and practical performance.

A Heartbeat of Power: The Waukesha-Oliver Engine

Under the hood of the Oliver 77 lies a robust Waukesha-Oliver engine, a 6-cylinder liquid-cooled powerhouse. This LP gas-fueled engine boasts a displacement of 193.9 cubic inches (3.2 L) and is designed to operate at a rated 1600 RPM. With a compression ratio of 6.75:1 and a bore/stroke of 3.3125x3.75 inches, it's engineered for consistent power delivery. The inclusion of an oil bath air cleaner ensures durability and longevity, even in dusty field conditions.

Transmission: Seamless Shifting for Every Task

Navigating the fields is made effortless with the Oliver 77's unsynchronized gear transmission. Featuring 6 forward and 2 reverse gears, it provides the versatility needed for a wide range of agricultural tasks. The dry disc clutch ensures smooth engagement and reliable power transfer, allowing you to tackle plowing, planting, and harvesting with confidence.

Built for Control and Comfort

The Oliver 77 is designed for practical operation. Its two-wheel drive system, coupled with manual steering, offers responsive control. For safety and precision, it's equipped with differential mechanical drum brakes. The open operator station provides excellent visibility, allowing you to monitor your work and surroundings with ease, making long days in the field more manageable.

Versatile PTO for Enhanced Productivity

Boosting its utility, the Oliver 77 features an independent rear PTO, an optional but highly valuable addition. With a standard speed of 540 RPM at a 1.375-inch shaft diameter, it readily accepts a variety of implements, from mowers to balers, significantly expanding the tractor's capabilities and your farm's productivity.

Dimensions and Agility

The Oliver 77 strikes a balance between stability and maneuverability. With a wheelbase of 90.75 inches (230 cm) and a length of 139.25 inches (353 cm), it offers a solid presence in the field. Its ground clearance of 24.9 inches (63 cm) allows it to navigate varied terrain, while adjustable front and rear tread widths ensure adaptability to different row spacings and field conditions. The agricultural tires, with front sizes like 5.50-16 and rear options of 10-38 or 12-38, provide excellent traction.

Conclusion

"The Oliver 77 stands as a testament to enduring agricultural engineering. Its robust construction, reliable Waukesha-Oliver engine, and versatile transmission make it a capable machine, even by today's standards for specific applications. Whether you're drawn to its historical significance or its practical utility, the Oliver 77 remains a respected and valuable piece of farming heritage."

Introduction

Production Information of Oliver, 77

The production information of the tractor (77) includes details about its manufacturing.

Original price was $3,000 in 1954

Row-Crop tractor

Built in Charles City, Iowa, USA


Manufacturer	Oliver

Dimension and Tires Information of Oliver, 77

This section sums up the dimension and tires information of the tractor.


Front tread	7.5/12.6 inches [19/32 cm (tricycle)]
Wheelbase	90.75 inches [230 cm]
Height (hood)	61.625 inches [156 cm]
Height	75 inches [190 cm]
Length	139.25 inches [353 cm]
Front tread	60 to 89.75 inches [152 to 227 cm (wide-front)]
Ground clearance	24.9 inches [63 cm]
Width	80.25 inches [203 cm]
Rear tread	60 to 92.5 inches [152 to 234 cm]


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

Engine Specifications of Oliver, 77

Get the specifications for the engine and if different options are available.

Waukesha-Oliver

Liquid-cooled

LP gas

6-cylinder


Coolant capacity	18 qts [17.0 L]
Displacement	193.9 ci [3.2 L]
Compression	6.75:1
Bore/Stroke	3.3125x3.75 inches [84 x 95 mm]
Coolant capacity	18 qts [17.0 L]
Starter volts	6
Rated RPM	1600
Air cleaner	Oil bath

Transmission Information of Oliver, 77Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1


Type	Unsynchronized gear
Gears	6 forward and 2 reverse
Clutch	Dry disc

Mechanical Specs of Oliver, 77Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-wheel drive

Open operator station.

Differential mechanical drum brakes


Steering	Manual

Power Information of Oliver, 77Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Rear PTO	Independent OptOptional
Rear PTO Type	540 (1.375)

Frequently asked questions

How much horsepower does the Oliver 77 have?

The Oliver 77 delivers 37 hp[B] HP.

What years was the Oliver 77 produced?

The Oliver 77 was produced in 1948-1954.

What engine does the Oliver 77 have?

The Oliver 77 is powered by a LP gas, 6-cylinder engine.

What transmission does the Oliver 77 use?

The Oliver 77 uses a Unsynchronized gear transmission.

Is the Oliver 77 4WD?

The Oliver 77 is available in 2WD.

More Oliver models

Super 5536 HP · 1954 - 1958 Super 6636 HP · 1954 - 1958 50035 HP · 1961 - 1963 7033 HP · 1935 - 1948 1250-A42 HP · 1969 125042 HP · 1965 - 1969 125542 HP · 1969 - 1971 8043 HP · 1937 - 1948

View all 66 Oliver models →

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