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 |
|---|
| Model | Oliver 77 Standard |
| Years of Production | 1949 – 1952 |
| Series | Fleetline Series |
| Type | Standard-Tread Tractor |
| Manufacturer | Oliver |
| Production Location | Charles City, Iowa, USA |
| Variants |
|---|
| 77 Row-Crop | Tricycle chassis |
| 77 Standard | Standard front |
| 77 Orchard | Low-profile |
| Power |
|---|
| Plows | 2-3 |
| Drawbar (Tested) | 28.48 hp (21.2 kW) |
| Belt (Tested) | 33.56 hp (25.0 kW) |
| Liquid-cooled vertical I-head |
|---|
| Displacement | 193.9 ci (3.2 L) |
| Bore/Stroke | 3.3125×3.75 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) |
| Liquid-cooled vertical I-head |
|---|
| Displacement | 193.9 ci (3.2 L) |
| Bore/Stroke | 3.3125×3.75 inches (84 x 95 mm) |
| Compression | 15.75:1 |
| Rated RPM | 1600 |
| Firing Order | 1-5-3-6-2-4 |
| Coolant Capacity | 18 qts (17.0 L) |
| Liquid-cooled |
|---|
| Displacement | 193.9 ci (3.2 L) |
| Bore/Stroke | 3.3125×3.75 inches (84 x 95 mm) |
| Compression | 6.75:1 |
| Rated RPM | 1600 |
| Coolant Capacity | 18 qts (17.0 L) |
| Transmission |
|---|
| Type | Unsynchronized gear |
| Gears | 6 forward and 2 reverse |
| Clutch | Dry disc |
| Mechanical |
|---|
| Drive Type | Two-wheel drive |
| Steering | Manual |
| Brakes | Differential mechanical drum brakes |
| Operator Station | Open |
| Power Take-off (PTO) |
|---|
| Rear PTO | Independent Optional |
| Rear PTO Type | 540 (1.375) |
| Serial Numbers |
|---|
| Location | Rear main frame and transmission, front-right side |
| 1948 | 269001 |
| 1949 | 269941 |
| 1950 | 271267 |
| 1951 | 272466 |
| 1952 | 273376 |
| Final | 274051 |
| Belt Pulley |
|---|
| Diameter | 77.875 inches (197 cm) |
| Width | 7.25 inches (18 cm) |
| RPM | 992 |
| Speed | 3,080 ft/min (938.78 meters/min) |
| Tires |
|---|
| Ag Front | 5.50-16 |
| Ag Rear | 12-26 |
| Dimensions |
|---|
| Wheelbase | 78.25 inches (198 cm) |
| Length | 129.75 inches (329 cm) |
| Width | 64.5 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 Weight | 7418 lbs (3364 kg) |
| Ground Clearance | 11.75 inches (29 cm) |
| Front Tread | 47.1/52.25 inches (119/132 cm) |
| Rear Tread | 52.5 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 Power | 28.48 hp (21.2 kW) |
| Max Pull | 3,802 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.
