John Deere 4420 Row-Crop Tractors Specifications

Engine

The engine is a John Deere diesel 6-cylinder liquid-cooled with a displacement of 328.9ci / 5.4L and a bore/stroke of 4.016x4.331inches / 102x 110mm. It has a power output of 102hp / 76.1kW and a compression ratio of 16.7:1. The engine is rated at 2500 RPM and produces a torque of 259lb-ft / 351.2Nm at 1400 RPM. It has a starter voltage of 12 and an oil capacity of 13.75qts / 13.0L, with a coolant capacity of 20.6qts / 19.5L.

Transmission

The transmission is a Syncro-Range with 8 forward and 2 reverse gears. The engine produces a power output of 102hp / 76.1kW.

Brakes

The brakes are hydraulic wet disc. The John Deere diesel 6-cylinder liquid-cooled engine produces a power output of 102hp / 76.1kW. The displacement of the engine is 328.9ci / 5.4L with a bore/stroke of 4.016x4.331inches / 102x 110mm. The compression ratio is 16.7:1 and the engine is rated at 2500 RPM. The engine produces a torque of 259lb-ft / 351.2Nm at 1400 RPM. The starter voltage is 12 and the oil capacity is 13.75qts / 13.0L, with a coolant capacity of 20.6qts / 19.5L.

Steering

The steering is power-assisted and the fuel tank has a capacity of 34.1gal / 129.1L. The John Deere 5.4L 6-cylinder diesel engine produces a power output of 102hp / 76.1kW. The displacement of the engine is 328.9ci / 5.4L with a bore/stroke of 4.016x4.331inches / 102x 110mm. The compression ratio is 16.7:1 and the engine is rated at 2500 RPM. The engine produces a torque of 259lb-ft / 351.2Nm at 1400 RPM. The starter voltage is 12 and the oil capacity is 13.75qts / 13.0L, with a coolant capacity of 20.6qts / 19.5L.

Common Problems

Users have reported issues with the planetary final drives and the hydraulic wet disc brakes. Some users have also reported problems with the open operator station cab. The 8-speed transmission has also been known to cause problems. Additionally, some users have reported issues with the power steering.

What Users Like

Users appreciate the 7.50x18 front and 18.4x34/23.1x26 rear agricultural tires on the John Deere 4420 model. They find that these tires provide excellent traction and stability in a variety of conditions. Users also appreciate the power-assisted steering and the large fuel tank capacity of 34.1gal / 129.1L, which allows for longer periods of use without refueling.

Techincal Specifications

Power
Engine	102hp / 76.1kW
Engine Detail
Description	John Deere diesel 6-cylinder liquid-cooled
Displacement	328.9ci / 5.4L
Bore/stroke	4.016x4.331inches / 102x 110mm
Power	102hp / 76.1kW
Compression	16.7:1
Rated Rpm	2500
Torque	259lb-ft / 351.2Nm
Torque Rpm	1400
Starter Volts	12
Oil Capacity	13.75qts / 13.0L
Coolant Capacity	20.6qts / 19.5L
Engine
Description	John Deere 5.4L 6-cyl diesel
Fuel Tank	34.1gal / 129.1L
Transmission
Transmission	Syncro-Range
Gears	8 forward and 2 reverse
Mechanical
Chassis	4x2 2WD
Final Drives	planetary
Steering	power
Brakes	hydraulic wet disc
Cab	Open operator station
Transmission	8-speed
Tires
Ag Front	7.50x18
Ag Rear	18.4x34/23.1x26
Dimensions
Wheelbase	100.4inches / 255cm
Length	168.1inches / 426cm
Shiping Weight	8283lbs / 3757kg
Dimensions And Tires
Wheelbase	100.4inches / 255cm
Weight	8283lbs / 3757kg
Front Tire	10.00x16
Rear Tire	23.1x30
Serial Numbers
Location	Serial number plate below the steering column
Hydraulics
Type	closed center
Tractor Hitch
Rear Type	II
Electrical
Charging System	alternator
Charging Amps	28
Batteries	2
Battery Volts	6
Speeds
Description	With 23.1x30 rear tires
Power Take Off Pto
Rear Pto	independent
Rear Rpm	540/1000
Height
Steering Wheel	82.3inches / 209cm
Hood	69.3inches / 176cm
Exhaust	90.9inches / 230cm