Introduction
John Deere 820 Utility Tractor
Produced in Mannheim, Germany, between 1968 and 1973, the John Deere 820 is a utility tractor designed for general agricultural applications. It is part of the 920 series and was built to provide reliable performance for small to medium-scale farming operations.
Engine and Performance
The tractor is powered by a 3-cylinder, liquid-cooled diesel engine with a displacement of 2.5 liters (151.9 cubic inches). It produces 32 horsepower (23.9 kW) at a rated engine speed of 2100 RPM. The engine features a 16.7:1 compression ratio and utilizes an oil bath air cleaner for durability in dusty environments.
Transmission and Drivetrain
The 820 model offers two transmission choices: a 7-speed sliding gear transmission with one reverse gear, or an 8-speed collar shift transmission providing 8 forward and 4 reverse gears. Both options utilize a live two-stage clutch. The tractor is configured as a two-wheel drive machine and includes a mechanical rear differential lock to assist with traction in varied field conditions.
Hydraulics and PTO
The hydraulic system is an open-center type with a total capacity of 10 gallons (37.9 liters). It features a rear-mounted Category I three-point hitch for implement attachment. The rear power take-off (PTO) operates at 540 RPM and is controlled via the live two-stage clutch, allowing for independent operation of the PTO while the tractor is in motion.
Dimensions and Weight
The tractor has a wheelbase of 74.4 inches (188 cm) and an overall length of 135 inches (342 cm). With a minimum width of 59.06 inches (150 cm) and a height of 78.74 inches (199 cm), it maintains a compact profile. The machine has a base weight of 4,000 lbs (1,814 kg).
Conclusion
The John Deere 820 is a robust, manual-transmission utility tractor suitable for general farm work, towing, and implement operation. Its design prioritizes mechanical simplicity and reliability, making it a functional choice for maintenance and light agricultural tasks.
Videos
John Deere 820 Manuals & Documentation
Download the manuals and documentation available for the John Deere 820: repair and workshop manuals, operator's handbooks, spare-parts catalogs and technical leaflets — free PDF files.
Archive documentation provided for reference, hosted by Tractor-Info.
Production Information of John Deere, 820
- Utility tractor
- Built in Mannheim, Baden-Württemberg, Germany
| Manufacturer | John Deere |
|---|---|
| Original price | $4,000 |
Dimension and Tires Information of John Deere, 820
| Wheelbase | 74.4 inches [188 cm] |
|---|---|
| Height | 78.74 inches [199 cm] |
| Height(optional) | 81.1 inches (max) [205 cm] |
| Length | 135 inches [342 cm] |
| Weight | 4000 lbs [1814 kg] |
| Width | 59.06 inches (min) [150 cm] |
| Lawn/turf rear | 16.9-24 |
|---|---|
| Ag front | 5.50-16 |
| Lawn/turf front | 27/9.5-15 |
| Ag rear | 13.6-28 |
| Ag rear | 12.2-28 |
| Ag rear(optional) | 16.5L-16 |
| Ag rear(optional) | 23/10.5-12 |
| Ag front | 6.00-16 |
Engine Specifications of John Deere, 820
- John Deere
- Liquid-cooled
- Diesel
- 3-cylinder
| Firing order | 1-2-3 |
|---|---|
| Displacement | 151.9 ci [2.5 L] |
| Air cleaner | Oil bath |
| Bore/Stroke | 3.858x4.33 inches [98 x 110 mm] |
| Oil capacity | 6.5 qts [6.2 L] |
| Starter volts | 12 |
| Rated RPM | 2100 |
| Compression | 16.7:1 |
| Power | 32 hp [23.9 kW] |
Transmission Information of John Deere, 820
Transmission variants 1
- Two-lever control. Left-hand range lever selects between I, II, reverse or parking. Not all tractors equipped with parking position. Right-range lever selects gear.
| Type | Sliding gear |
|---|---|
| Gears | 7 forward and 1 reverse |
Transmission variants 2
- Four gears with two ranges and reverse. The left-hand range lever selects between I, II, reverse or parking. Right-hand gear shift lever chooses one of four gears.
| Type | Collar shift |
|---|---|
| Gears | 8 forward and 4 reverse |
- 7-speed sliding gear
- 8-speed collar shift
Mechanical Specs of John Deere, 820
- Two-wheel drive
- Open operator station. Two-post ROPS optional.
| Differential lock | Mechanical rear |
|---|
Power Information of John Deere, 820
| Rear PTO | Live |
|---|---|
| Rear PTO Type | 540 |
Two-stage clutch
Hydraulics Specifications of John Deere, 820
| Type | Open center |
|---|---|
| Capacity | 10 gal [37.9 L] |
Three-Point Hitch of John Deere, 820
| Rear Type | I |
|---|
Electrical System of John Deere, 820
| Ground | Negative |
|---|---|
| Battery AH | 55 |
| Batteries | 2 |
| Battery volts | 12 |
Where it sits
With 32 HP, the John Deere 820 sits just below 920 (37 HP) in John Deere's range. Its power puts it in the 19th percentile of 1960s models in our database (709 machines).
Frequently asked questions
How much horsepower does the John Deere 820 have?
The John Deere 820 delivers 32 HP.
What years was the John Deere 820 produced?
The John Deere 820 was produced in 1968-1973.
What engine does the John Deere 820 have?
The John Deere 820 is powered by a Diesel, 3-cylinder engine.
What transmission does the John Deere 820 use?
The John Deere 820 uses a Sliding gear transmission.
How much does the John Deere 820 weigh?
The John Deere 820 weighs 4000 lbs [1814 kg].
Is the John Deere 820 4WD?
The John Deere 820 is available in 2WD.