Oliver 77 Standard

The Oliver 77 Standard is a classic tractor that holds a special place in the history of agriculture. Produced from 1949 to 1952, this standard-tread tractor is recognized for its enduring appeal and versatility. It was manufactured by Oliver in Charles City, Iowa, USA, and remains a symbol of mid-20th-century farming technology. With its various engine options and straightforward design, the Oliver 77 Standard was a reliable workhorse for farmers of its time. Today, it is celebrated by collectors and enthusiasts as a cherished piece of agricultural heritage, offering a glimpse into the past when farming machinery was evolving to meet the demands of a changing world.

General Information
ModelOliver 77 Standard
Years of Production1949 – 1952
SeriesFleetline Series
TypeStandard-Tread Tractor
ManufacturerOliver
Production LocationCharles City, Iowa, USA
Variants
77 Row-CropTricycle chassis
77 StandardStandard front
77 OrchardLow-profile
Power
Plows2-3
Drawbar (Tested)28.48 hp (21.2 kW)
Belt (Tested)33.56 hp (25.0 kW)
Liquid-cooled vertical I-head
Displacement193.9 ci (3.2 L)
Bore/Stroke3.3125×3.75 inches (84 x 95 mm)
Air CleanerOil bath
Compression6.75:1
Rated RPM1600
Firing Order1-5-3-6-2-4
Oil Capacity8 qts (7.6 L)
Coolant Capacity13.5 qts (12.8 L)
Liquid-cooled vertical I-head
Displacement193.9 ci (3.2 L)
Bore/Stroke3.3125×3.75 inches (84 x 95 mm)
Compression15.75:1
Rated RPM1600
Firing Order1-5-3-6-2-4
Coolant Capacity18 qts (17.0 L)
Liquid-cooled
Displacement193.9 ci (3.2 L)
Bore/Stroke3.3125×3.75 inches (84 x 95 mm)
Compression6.75:1
Rated RPM1600
Coolant Capacity18 qts (17.0 L)
Transmission
TypeUnsynchronized gear
Gears6 forward and 2 reverse
ClutchDry disc
Mechanical
Drive TypeTwo-wheel drive
SteeringManual
BrakesDifferential mechanical drum brakes
Operator StationOpen
Power Take-off (PTO)
Rear PTOIndependent Optional
Rear PTO Type540 (1.375)
Serial Numbers
LocationRear main frame and transmission, front-right side
1948269001
1949269941
1950271267
1951272466
1952273376
Final274051
Belt Pulley
Diameter77.875 inches (197 cm)
Width7.25 inches (18 cm)
RPM992
Speed3,080 ft/min (938.78 meters/min)
Tires
Ag Front5.50-16
Ag Rear12-26
Dimensions
Wheelbase78.25 inches (198 cm)
Length129.75 inches (329 cm)
Width64.5 inches (163 cm)
Height (Steering Wheel)69.5 inches (176 cm)
Height (Hood)55.75 inches (141 cm)
Operating Weight (Gas)3850 lbs (1746 kg)
Ballasted Weight7418 lbs (3364 kg)
Ground Clearance11.75 inches (29 cm)
Front Tread47.1/52.25 inches (119/132 cm)
Rear Tread52.5 inches (133 cm)
Nebraska Tractor Test 405 (Gasoline 6-speed 2WD, 1948)
Belt Power (Max)33.56 hp (25.0 kW)
Belt Fuel Use (Max)2.9 gal/hour (11.0 l/hour)
Drawbar Max Power28.48 hp (21.2 kW)
Max Pull3,802 lbs (1724 kg)
Oliver 77 Standard overview

The Oliver 77 Standard, produced from 1949 to 1952, stands as a historical treasure in today’s agricultural landscape and a prized collector’s model. This tractor represents a pivotal period in agricultural technology, characterized by its durability and straightforward design.

Historical Significance:

During the mid-20th century, the Oliver 77 Standard played a crucial role in American farming. It embodies the transition from older, simpler tractors to more modern, efficient models. This historical context highlights its importance as a symbol of agricultural progress and resilience during that era.

Collectors’ Model:

Today, the Oliver 77 Standard is highly coveted by collectors and tractor enthusiasts. Its unique features, including the standard-tread design and various engine options, reflect the adaptability of farming equipment during the post-World War II period. Owning this tractor is akin to owning a piece of living history, preserving the legacy of those who toiled the land with these iconic machines.

Overview of Specifications and Aspects:

Engine Options: The availability of different engines, including gasoline, diesel, and LP gas, showcased the versatility required by farmers with varying needs. These engines were designed for reliability and performance in diverse agricultural tasks.

Transmission Technology: The tractor’s unsynchronized gear transmission with 6 forward and 2 reverse gears was emblematic of its time. It provided dependable power transfer and efficiency for a wide range of farming operations.

Durable Design: With manual steering, mechanical drum brakes, and an open operator station, the Oliver 77 Standard exemplified the durability and mechanical simplicity characteristic of tractors from the 1950s.

Dimensions and Weight: The tractor’s size and weight were well-suited for the farming practices of its era, ensuring stability and maneuverability in the field.

Power Take-off (PTO): The independent rear PTO with a Type 540 output allowed for various attachments and implements, making it adaptable for different tasks on the farm.

In summary, the Oliver 77 Standard serves as a window into the agricultural technology of the mid-20th century. Its robust design, engine options, and practical features were tailored to meet the demands of American farmers during a time of significant change. Today, it continues to inspire admiration and reverence among collectors and enthusiasts, reminding us of the enduring legacy of these iconic tractors in the history of farming.

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