Engine Horsepower: 77 hp
Manufactured: 1970 to 1975
John Deere 3420 Summary
The John Deere 3420 is a row-crop tractor produced between 1970 and 1975 by John Deere at its Rosario, Argentina factory. It features a 77 horsepower engine, specifically a John Deere 5.0L 6-cylinder diesel.

John Deere 3420 Horsepower, Weight, and Specifications:
Production
Who manufactured the John Deere 3420, and what type of tractor is it?
- Manufacturer: John Deere
- Type: Row-Crop tractor
- Factory: Rosario, Argentina
Horsepower
How much horsepower does the John Deere 3420 engine provide?
- Engine: 77 hp (57.4 kW)
Engine
What are the specifications of the John Deere 3420 engine?
- Model: John Deere 5.0L 6-cyl diesel
- Fuel tank capacity: 34.1 gal (129.1 L)
Mechanical
What are the mechanical features of the John Deere 3420?
- Chassis: 4x2 2WD
- Final drives: planetary
- Steering: power
- Brakes: hydraulic wet disc
- Cab: Open operator station
- Transmission: 8-speed
Hydraulics
What type of hydraulic system does the John Deere 3420 have?
- Type: closed center
Tractor hitch
What type of rear hitch is equipped on the John Deere 3420?
- Rear Type: II
Power Take-off (PTO)
What are the specifications for the John Deere 3420's PTO?
- Rear PTO: independent
- Rear RPM: 540
Dimensions & Tires
What are the dimensions and tire sizes for the John Deere 3420?
- Wheelbase: 100.4 inches (255 cm)
- Weight: 7668 lbs (3478 kg)
- Front tire: 6.00x16
- Rear tire: 18.4x34
Electrical
What are the electrical specifications for the John Deere 3420?
- Charging system: alternator
- Charging amps: 28
- Batteries: 2
- Battery volts: 6
Disclaimer: The information provided on this page may be less than 100% accurate. Always check the manufacturer's official manual.