| Manufacturer |
John Deere |
| Price |
- |
| Model |
3420 |
| Equipment Type |
Row-Crop Tractors |
| Factory |
Rosario, Argentina |
JOHN DEERE 3420 POWER
ENGINE DETAIL
The John Deere 3420 tractor is powered by a robust 5.0L, 6-cylinder diesel engine, delivering 77hp at a rated RPM of 2500, with peak torque of 221 lb-ft available at 1250 RPM. The dry air cleaner and a high compression ratio of 16.7:1 enhance fuel efficiency and performance; however, attention must be given to air filter maintenance to ensure optimal engine function. This tractor is well-suited for mid-range agricultural tasks, balancing power and efficiency in various field conditions while benefiting from a durable design often associated with the John Deere brand.
| Description |
John Deere diesel 6-cylinder liquid-cooled inline |
| Displacement |
302.7ci / 5.0L |
| Bore/Stroke |
4.016x4.331inches / 102x 110mm |
| Power |
77hp / 57.4kW |
| Air cleaner |
dry |
| Compression |
16.7:1 |
| Rated RPM |
2500 |
| Torque |
221lb-ft / 299.7Nm |
| Torque RPM |
1250 |
| Starter volts |
12 |
JOHN DEERE 3420 ENGINE
The John Deere 3420 is powered by a robust 5.0L 6-cylinder diesel engine, providing excellent torque for heavy-duty applications. With a fuel tank capacity of 34.1 gallons (129.1 liters), this tractor offers extended operational time, minimizing downtime during large-scale farming tasks. However, the larger fuel capacity may contribute to increased overall weight, affecting maneuverability in certain terrains.
| Description |
John Deere 5.0L 6-cyl diesel |
| Fuel tank |
34.1gal / 129.1L |
TRANSMISSION
The John Deere 3420 features a Syncro-Range transmission, providing smooth gear shifting through its 8 forward and 2 reverse gears, which enhances versatility in various agricultural applications. This transmission type allows for better control in diverse terrains and conditions but may require more operator skill to manage effectively. Ideal for tasks requiring frequent speed adjustments, such as tilling or hauling, the Syncro-Range can improve operational efficiency, albeit with a potential learning curve for less experienced users.
| Transmission |
Syncro-Range |
| Gears |
8 forward and 2 reverse |
SPEEDS
| Description |
With 18.4x34 rear tires |
MECHANICAL
The John Deere 3420 features a 4x2 2WD chassis, which offers simplicity and lower initial costs but limits traction on uneven terrain compared to 4WD models. Its hydraulic wet disc brakes provide reliable stopping power, enhancing operator safety during field operations. The open operator station enhances visibility and comfort, although it may expose the operator to environmental elements during use.
| Chassis |
4x2 2WD |
| Final drives |
planetary |
| Steering |
power |
| Brakes |
hydraulic wet disc |
| Cab |
Open operator station |
| Transmission |
8-speed |
HYDRAULICS
TRACTOR HITCH
POWER TAKE-OFF (PTO)
| Rear PTO |
independent |
| Rear RPM |
540 |
JOHN DEERE 3420 TIRES
The John Deere 3420 tractor, equipped with Ag front tires (7.50x18) and various options for Ag rear tires (13.6x38, 15.5x38, or 23.1x26), offers versatility for different agricultural applications. The smaller front tires provide better maneuverability, while the larger rear tires maximize traction and stability on varied terrain, ideal for heavy-duty tasks. However, the selection of rear tires may affect the tractor's overall performance, including load-bearing capacity and fuel efficiency, so choose based on specific operational requirements.
| Ag front |
7.50x18 |
| Ag rear |
13.6x38 / 15.5x38 / 23.1x26 |
DIMENSIONS
| Wheelbase |
100.4inches / 255cm |
| Length |
161inches / 408cm |
| Height (hood) |
67.3inches / 170cm |
| Height (exhaust) |
88.2inches / 224cm |
| Shiping weight |
7668lbs / 3478kg |
| Ground clearance |
13.4inches / 34cm |
DIMENSIONS & TIRES
The John Deere 3420 tractor features a 100.4-inch wheelbase, providing a stable platform for various agricultural implements, which is advantageous for handling uneven terrains. Weighing 7,668 lbs (3,478 kg), it offers substantial traction and stability, particularly beneficial in field operations but may pose challenges in transportability. The tire configuration, with narrow front tires and wider rear tires, optimizes maneuverability while ensuring adequate soil contact, enhancing performance under load.
| Wheelbase |
100.4inches / 255cm |
| Weight |
7668lbs / 3478kg |
| Front tire |
6.00x16 |
| Rear tire |
18.4x34 |
3420 SERIAL NUMBERS
| Location |
Serial number plate below the steering column |
ELECTRICAL
| Charging system |
alternator |
| Charging amps |
28 |
| Batteries |
2 |
| Battery volts |
6 |
