John Deere 3420 Specs ( 1970-1975 )
Overview
The John Deere 3420 is a row-crop farm tractor manufactured in Rosario, Argentina, between 1970 and 1975. This two-wheel drive model is equipped with a 5.0L six-cylinder diesel engine rated at 77 hp and features an 8-speed Syncro-Range transmission. The chassis includes an open operator station, a Category II rear hitch, and an independent 540 RPM PTO.
Ideal Applications
Engine and Power Output:
The liquid-cooled 302.7 ci diesel engine produces a rated power of 77 hp at 2500 RPM and 221 lb-ft of torque at 1250 RPM.
Transmission and Mechanical Layout:
The powertrain consists of an 8-speed Syncro-Range transmission with two-wheel drive, planetary final drives, and hydraulic wet disc brakes.
Physical Dimensions and Capacity:
The tractor has a shipping weight of 7668 lbs and a 100.4-inch wheelbase, supported by 18.4x34 rear ag tires and a 34.1-gallon fuel tank.
Production
| Description | Row-Crop tractor / Built in Rosario, Argentina |
|---|---|
| Manufacturer | John Deere |
Engine
| Engine type | John Deere 5.0L 6-cyl diesel |
|---|---|
| Fuel tank | 34.1 gal (129.1 L) |
| Air cleaner | dry |
| Bore/Stroke | 4.016x4.331 inches (102 x 110 mm) |
| Compression | 16.7:1 |
| Description | John Deere / diesel / 6-cylinder / liquid-cooled inline |
| Displacement | 302.7 ci (5.0 L) |
| Power | 77 hp (57.4 kW) |
| Rated RPM | 2500 |
| Starter volts | 12 |
| Torque | 221 lb-ft (299.7 Nm) |
| Torque RPM | 1250 |
Transmission
| Gears | 8 forward and 2 reverse |
|---|---|
| Transmission | Syncro-Range |
| Transmission type | 8-speed |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Power steering / Hydraulic wet disc brakes |
| Drive type | Two-wheel drive |
| Final drives | planetary |
Hydraulics
| Type | closed center |
|---|
Hitch
| Rear Type | II |
|---|
PTO
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540 |
Electrical
| Batteries | 2 |
|---|---|
| Battery volts | 6 |
| Charging amps | 28 |
| Charging system | alternator |
Dimensions & Tires
| Ground clearance | 13.4 inches (34 cm) |
|---|---|
| Height (exhaust) | 88.2 inches (224 cm) |
| Height (hood) | 67.3 inches (170 cm) |
| Length | 161 inches (408 cm) |
| Shipping weight | 7668 lbs (3478 kg) |
| Wheelbase | 100.4 inches (255 cm) |
| Front tire | 6.00x16 |
| Rear tire | 18.4x34 |
| Weight | 7668 lbs (3478 kg) |
| Wheelbase | 100.4 inches (255 cm) |
| Ag front | 6.00x16 / 7.50x18 |
| Ag rear | 18.4x34 / 13.6x38 |
3420 Serial Numbers
| Location: | Serial number plate below the steering column. |
|---|
Speeds
| Description | With 18.4x34 rear tires. |
|---|