John Deere 9420R tractor

John Deere 9420R

Power

420 hp

Production

2015-2021

Engine

Diesel, 6-cylinder

Transmission

E18 PowerShift

Drive

4WD

From the same series:

9370R
9470R

Introduction

John Deere 9420R Four-Wheel Drive Tractor

The John Deere 9420R is a high-horsepower four-wheel drive tractor produced between 2015 and 2021 at the John Deere facility in Waterloo, Iowa, USA. Designed for large-scale agricultural operations, this machine focuses on high-capacity traction and heavy-duty implement management.

Engine and Performance

The tractor is powered by a 13.5-liter, 6-cylinder John Deere PSS diesel engine. It delivers a rated gross power of 420 hp (313.2 kW) at 2100 RPM, with a maximum gross power output of 462 hp (344.5 kW). The engine utilizes electronic injection and liquid cooling to maintain performance under high-load conditions, complying with Tier IV emission standards.

Transmission and Drivetrain

Power is transferred through an e18 PowerShift transmission, providing 18 forward and 6 reverse gears. This full power shift system allows for efficient speed adjustments without manual clutching. The tractor features articulated power steering and an electro-hydraulic differential lock on both the front and rear axles to improve traction across varied field surfaces.

Hydraulics and Hitch

The hydraulic system is a closed-center, pressure/flow-compensated design capable of 2900 psi (200.0 bar). The base pump flow is 58 gpm (219.5 lpm), with optional configurations allowing up to 115 gpm. It supports between 4 and 8 rear valves for implement control. The rear hitch, available in Category 4 or 5, provides a lift capacity of 15,000 lbs (6,804 kg) with draft sensing capabilities.

Operator Environment

The tractor is equipped with the CommandView Cab III, which includes air conditioning as standard equipment. The platform is designed for precision farming, featuring factory-ready integration for AutoTrac, JDLink, and ISOBUS 11783 communication protocols, facilitating modern data management and implement automation.

Conclusion

The John Deere 9420R is a high-performance tractor engineered for heavy tillage and large-scale pulling operations. Its combination of high hydraulic capacity, sophisticated electronic management systems, and robust drivetrain makes it suitable for intensive agricultural environments requiring consistent power and precision.

Production Information of John Deere, 9420R

  • Four-wheel Drive (4WD) tractor
  • Built in Waterloo, Iowa, USA
ManufacturerJohn Deere

Dimension and Tires Information of John Deere, 9420R

Rear axle4.33 by 120 inches [109 by 3048 mm]
Wheelbase149.8 inches [380 cm]
Front axle4.33 by 120 inches [109 by 3048 mm]
Clearance (drawbar)15 inches [38 cm]
Length314.3 inches [798 cm]
Rear axle4.72 by 120 inches [119 by 3048 mm]
Front axle4.72 by 120 inches [119 by 3048 mm]
Width176 inches [447 cm]

Engine Specifications of John Deere, 9420R

  • John Deere PSS
  • Liquid-cooled
  • Diesel
  • 6-cylinder
Coolant capacity67.1 qts [63.5 L]
Rated Power (gross)420 hp [313.2 kW]
Maximum Power (gross)462 hp [344.5 kW]
Rated RPM2100
Fuel systemElectronic injection
Displacement826.7 ci [13.5 L]
EmissionsTier IV
Bore/Stroke5.197x6.496 inches [132 x 165 mm]
Oil capacity50.7 qts [48.0 L]
Starter volts12
StarterElectric

Transmission Information of John Deere, 9420R

Transmission variants 1

TransmissionE18 PowerShift
Transmission(optional)300.1 qts [284.0 L]
Oil capacity291.6 qts [276.0 L]
TypeFull power shift
Gears18 forward and 6 reverse

With hitch and PTO

Mechanical Specs of John Deere, 9420R

  • Four-wheel drive
  • Hydraulic wet disc brakes
  • Command View Cab III standard with air-conditioning. AutoTrac ready; ISOBUS 11783; JDLink ready
  • Articulated power steering
Trailer brakes(optional)Hydraulic
Differential lockElectro-hydraulic front and rear

Power Information of John Deere, 9420R

Rear PTO(optional)Independent
ClutchElectro-hydraulic
Rear PTO Type1000 (1.75)

Hydraulics Specifications of John Deere, 9420R

TypeClosed-center pressure/flow compensated
Rear valves4 to 8
Pressure2900 psi [200.0 bar]
Capacity73 gal [276.3 L]
SCV flow35 gpm [132.5 lpm]
Pump flow58 gpm [219.5 lpm]
Pump flow(optional)75 gal [283.9 L]
Pump flow(optional)42 gpm [159.0 lpm]

Optional, with second 57GPM pump

With hitch and PTO

Flow at 19.1mm coupler with high-flow hydraulic option.

Three-Point Hitch of John Deere, 9420R

Rear Type(optional)IV/IVN
Rear Type(optional)20000 lbs [9072 kg]
Rear lift15000 lbs [6804 kg]
Rear lift(optional)IVN/III
Rear lift(optional)Cat. 5 HD
DrawbarCat. 4
ControlDraft sensing

Electrical System of John Deere, 9420R

Battery CCA925
GroundNegative
Charging volts12
Charging volts(optional)240
Charging systemAlternator
Battery volts12
Batteries3
Charging amps200

Where it sits

With 420 HP, the John Deere 9420R sits between 9410R (410 HP) and 9R 440 (434 HP) in John Deere's range. Its power puts it in the 95th percentile of 2010s models in our database (2476 machines).

Frequently asked questions

How much horsepower does the John Deere 9420R have?

The John Deere 9420R delivers 420 HP.

What years was the John Deere 9420R produced?

The John Deere 9420R was produced in 2015-2021.

What engine does the John Deere 9420R have?

The John Deere 9420R is powered by a Diesel, 6-cylinder engine.

What transmission does the John Deere 9420R use?

The John Deere 9420R uses a E18 PowerShift transmission.

Is the John Deere 9420R 4WD?

The John Deere 9420R is available in 4WD.

Compare the John Deere 9420R with another model