John Deere 3420

John Deere 3420 Technical Specifications

John Deere 3420 is a Row-Crop tractor that was produced by the John Deere between 1970 – 1975.

Below you will find detailed technical specifications for John Deere 3420 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

John Deere 3420 Production

Manufacturer: John Deere
Type: Row-Crop tractor
Factory: Rosario, Argentina

John Deere 3420 Electrical

Charging system: alternator
Charging amps: 28
Batteries: 2
Battery volts: 6

John Deere 3420 Mechanical

Chassis: 4×2 2WD
Final drives: planetary
Steering: power
Brakes: hydraulic wet disc
Cab: Open operator station.
Transmission: 8-speed


Type: closed center

Tracktor Hitch

Rear Type: II

Power Take-off (PTO)

Rear PTO: independent
Rear RPM: 540

John Deere 3420 Engine detail

Engine Detail
John Deere
liquid-cooled inline
Displacement: 302.7 ci
5.0 L
Bore/Stroke: 4.016×4.331 inches
102 x 110 mm
Power: 77 hp
57.4 kW
Air cleaner: dry
Compression: 16.7:1
Rated RPM: 2500
Torque: 221 lb-ft
299.7 Nm
Torque RPM: 1250
Starter volts: 12

John Deere 3420 Transmission overview

Engine Oil

Transmission: Syncro-Range
Gears: 8 forward and 2 reverse

John Deere 3420 Dimensions

Wheelbase: 100.4 inches
255 cm
Length: 161 inches
408 cm
Height (hood): 67.3 inches
170 cm
Height (exhaust): 88.2 inches
224 cm
Shiping weight: 7668 lbs
3478 kg
Ground clearance: 13.4 inches
34 cm


Is John Deere 3420 a good tractor?

The John Deere 3420 is one of the great tractors in the John Deere stable, and it has earned John Deere a fantastic reputation.

How much oil does a John Deere 3420 take?

Check out the John Deere 3420 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year John Deere made the 2420

The John Deere 3420 was an agricultural tractor model made from 1970 – 1975

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