John Deere 4420
Power
102 hp
Production
1970-1975
Engine
Diesel, 6-cylinder
Transmission
Syncro-Range
Weight
8283 lbs [3757 kg]
Drive
2WD
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Introduction
John Deere 4420 Row-Crop Tractor
The John Deere 4420 is a row-crop tractor produced between 1970 and 1975 in Rosario, Argentina. It is a two-wheel-drive machine designed for standard agricultural operations, featuring a 6-cylinder diesel engine and a focus on mechanical reliability.
Engine and Performance
The tractor is powered by a 5.4-liter, 6-cylinder liquid-cooled John Deere diesel engine. It generates 102 horsepower (76.1 kW) at a rated speed of 2500 RPM. The engine produces 259 lb-ft (351.2 Nm) of torque at 1400 RPM, with a compression ratio of 16.7:1, providing consistent power for field tasks.
Transmission and Drive
The drivetrain utilizes a Syncro-Range transmission, which provides 8 forward gears and 2 reverse gears. Steering is assisted by a power steering system, and the tractor is equipped with hydraulic wet disc brakes for reliable stopping power. Final drives are of the planetary type.
Hydraulics and PTO
The hydraulic system features a closed-center design, allowing for efficient operation of connected implements. The rear power take-off (PTO) is independent and offers dual speed capabilities of 540 and 1000 RPM, increasing the machine's compatibility with various agricultural tools. The rear hitch is a Type II category.
Dimensions and Operator Station
The 4420 is built with a 100.4-inch (255 cm) wheelbase and a total length of 168.1 inches (426 cm). The shipping weight is approximately 8,283 lbs (3,757 kg). The tractor features an open operator station, designed to provide the operator with clear visibility of the surrounding field and implements.
Conclusion
The John Deere 4420 is a robust, mechanically straightforward tractor suited for general row-crop farming. Its combination of a 102-horsepower engine, Syncro-Range transmission, and dual-speed PTO makes it a dependable choice for mechanical work, plowing, and field maintenance tasks common in its era of production.
Production Information of John Deere, 4420
- Row-Crop tractor
- Built in Rosario, Argentina
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 4420
| Wheelbase | 100.4 inches [255 cm] |
|---|---|
| Length | 168.1 inches [426 cm] |
| Shipping weight | 8283 lbs [3757 kg] |
| Ag front | 10.00x16 |
|---|---|
| Ag front(optional) | 23.1x26 |
| Ag rear | 18.4x34 |
| Ag rear | 23.1x30 |
| Ag front | 7.50x18 |
Engine Specifications of John Deere, 4420
- John Deere
- Liquid-cooled
- 6-cylinder
- Diesel
| Compression | 16.7:1 |
|---|---|
| Torque RPM | 1400 |
| Displacement | 328.9 ci [5.4 L] |
| Bore/Stroke | 4.016x4.331 inches [102 x 110 mm] |
| Power | 102 hp [76.1 kW] |
| Torque | 259 lb-ft [351.2 Nm] |
| Rated RPM | 2500 |
| Coolant capacity | 20.6 qts [19.5 L] |
| Oil capacity | 13.75 qts [13.0 L] |
| Starter volts | 12 |
Transmission Information of John Deere, 4420
Transmission variants 1
| Transmission | Syncro-Range |
|---|---|
| Gears | 8 forward and 2 reverse |
Mechanical Specs of John Deere, 4420
- Two-wheel drive
- Open operator station.
- Hydraulic wet disc brakes
- Power steering
| Final drives | Planetary |
|---|
Power Information of John Deere, 4420
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540/1000 |
Hydraulics Specifications of John Deere, 4420
| Type | Closed center |
|---|
Three-Point Hitch of John Deere, 4420
| Rear Type | II |
|---|
Electrical System of John Deere, 4420
| Charging system | Alternator |
|---|---|
| Battery volts | 6 |
| Charging amps | 28 |
| Batteries | 2 |
Where it sits
With 102 HP, the John Deere 4420 sits just above 3420 (77 HP) in John Deere's range. Its power puts it in the 69th percentile of 1970s models in our database (1259 machines).
Frequently asked questions
How much horsepower does the John Deere 4420 have?
The John Deere 4420 delivers 102 HP.
What years was the John Deere 4420 produced?
The John Deere 4420 was produced in 1970-1975.
What engine does the John Deere 4420 have?
The John Deere 4420 is powered by a Diesel, 6-cylinder engine.
What transmission does the John Deere 4420 use?
The John Deere 4420 uses a Syncro-Range transmission.
How much does the John Deere 4420 weigh?
The John Deere 4420 weighs 8283 lbs [3757 kg].
Is the John Deere 4420 4WD?
The John Deere 4420 is available in 2WD.