Introduction
John Deere 80 Standard-Tread Tractor
The John Deere 80 is a standard-tread tractor produced between 1955 and 1956 at the company's facility in Waterloo, Iowa. Representing a significant period in mid-1950s agricultural machinery, this model was built in a total quantity of 3,485 units and serves as a transition piece between the 70 series and the later 820 models.
Engine and Performance
The tractor is powered by a liquid-cooled, 2-cylinder, 4-valve diesel engine with a displacement of 470.7 cubic inches (7.7 L). It operates at a rated speed of 1125 RPM with a compression ratio of 16:1. A notable feature is the V4 gasoline pony motor used as a starter. The intake system utilizes an oil bath air cleaner to maintain engine longevity.
Transmission and Drivetrain
Equipped with a two-wheel drive configuration, the John Deere 80 features an unsynchronized gear transmission providing 6 forward speeds and 1 reverse speed. Power delivery to the drivetrain is managed by a dry disc clutch. For field implements, the tractor provides a rear power take-off (PTO) operating at 540 RPM.
Mechanical and Dimensions
The machine features manual steering, with an optional power-assist system available for improved operator comfort. Braking is handled by mechanical expanding shoe brakes. The tractor has a wheelbase of 85.5 inches (217 cm) and an overall length of 142.75 inches (362 cm). Its base operating weight is 8,300 lbs (3,764 kg), which can be increased to 11,485 lbs (5,209 kg) when ballasted. It is typically fitted with 7.50-18 front tires and 15-34 rear tires.
Conclusion
The John Deere 80 is a heavy-duty, standard-tread tractor designed for demanding agricultural field work. With its significant displacement and robust mechanical construction, it remains a notable example of mid-century American tractor engineering, well-suited for collectors and enthusiasts of the John Deere legacy.
Production Information of John Deere, 80
- Standard-tread tractor
- Built in Waterloo, Iowa, USA
| Manufacturer | John Deere |
|---|---|
| Total built | 3,485 |
Dimension and Tires Information of John Deere, 80
| Front tread | 56.5 inches [143 cm] |
|---|---|
| Wheelbase | 85.5 inches [217 cm] |
| Weight | 8300 lbs [3764 kg] |
| Height | 81 inches [205 cm] |
| Length | 142.75 inches [362 cm] |
| Rear tread | 64.5/68.5 inches [163/173 cm] |
| Ballasted weight | 11485 lbs [5209 kg] |
| Width | 79.5 inches [201 cm] |
| Ag front | 7.50-18 |
|---|---|
| Ag rear | 15-34 |
Engine Specifications of John Deere, 80
- John Deere
- Liquid-cooled
- Diesel
- 2-cylinder 4-valve
| Starter type | V4 gasoline pony motor |
|---|---|
| Displacement | 470.7 ci [7.7 L] |
| Compression | 16:1 |
| Bore/Stroke | 6.125x8.00 inches [156 x 203 mm] |
| Coolant capacity | 35 qts [33.1 L] |
| Firing order | 1-2 |
| Rated RPM | 1125 |
| Air cleaner | Oil bath |
Transmission Information of John Deere, 80
Transmission variants 1
| Transmission | John Deere |
|---|---|
| Clutch | Dry disc |
| Type | Unsynchronized gear |
| Gears | 6 forward and 1 reverse |
Mechanical Specs of John Deere, 80
- Two-wheel drive
- Open operator station. Optional steel cab.
- Mechanical expanding shoe brakes
| Steering | Manual |
|---|---|
| Steering(optional) | Power assist optional |
Power Information of John Deere, 80
| Rear PTO Type | 540 |
|---|
Electrical System of John Deere, 80
| Ground | Positive |
|---|---|
| Battery volts | 6 |
Where it sits
With 57 hp[B] HP, the John Deere 80 sits just above 70 (50 HP) in John Deere's range. Its power puts it in the 82th percentile of 1950s models in our database (592 machines).
Frequently asked questions
How much horsepower does the John Deere 80 have?
The John Deere 80 delivers 57 hp[B] HP.
What years was the John Deere 80 produced?
The John Deere 80 was produced in 1955-1956.
What engine does the John Deere 80 have?
The John Deere 80 is powered by a Diesel, 2-cylinder 4-valve engine.
What transmission does the John Deere 80 use?
The John Deere 80 uses a John Deere transmission.
How much does the John Deere 80 weigh?
The John Deere 80 weighs 8300 lbs [3764 kg].
Is the John Deere 80 4WD?
The John Deere 80 is available in 2WD.
