John Deere 8400R tractor

John Deere 8400R

Power

400 hp

Production

2016-2019

Engine

Turbocharged aftercooled diesel, 6-cylinder

Transmission

John Deere e23

Drive

4WD

From the same series:

8370R

Introduction

John Deere 8400R: Technical Specifications and Overview

The John Deere 8400R is a high-horsepower row-crop tractor produced between 2016 and 2019 at the Waterloo, Iowa, facility. It is designed for large-scale agricultural operations requiring significant traction and advanced integrated technology.

Engine and Performance

The tractor is powered by the John Deere PowerTech PSS engine, a 9.0-liter, 6-cylinder turbocharged and aftercooled diesel unit. It produces a rated gross power of 400 hp (298.3 kW) at 2100 RPM. The engine utilizes an electronic high-pressure common rail fuel system and Selective Catalyst Reduction (SCR) to meet Tier 4 emission standards.

Transmission and Drivetrain

The 8400R features the John Deere e23 full powershift transmission, providing 23 forward and 11 reverse gears to optimize power delivery across various field tasks. It is equipped with a four-wheel-drive system, inboard planetary final drives, and hydraulic rear differential locks as standard.

Hydraulics and Hitch

The hydraulic system is a closed-center, load-sensing, pressure-flow compensated type. It features a standard pump flow of 60 gpm (227.1 lpm), with an optional 85 gpm (321.7 lpm) configuration. The rear hitch is a Category IVN/III type with a lift capacity of 15,000 lbs (6,804 kg). An optional front hitch with a 11,450 lbs (5,193 kg) capacity is also available.

Operator Environment

The machine comes standard with the CommandView III cab, which includes air conditioning. The tractor is factory-prepared for precision agriculture technologies, including AutoTrac guidance, JDLink telematics, and ServiceADVISOR Remote diagnostics. Steering is managed via a hydrostatic power system, with an optional Active Command steering upgrade.

Conclusion

The John Deere 8400R is engineered for heavy-duty row-crop applications. Its combination of a high-output 400 hp engine, electronic power management, and advanced hydraulic capacity makes it a suitable solution for demanding professional farming operations.

Production Information of John Deere, 8400R

  • Row-Crop tractor
  • Built in Waterloo, Iowa, USA
ManufacturerJohn Deere

Dimension and Tires Information of John Deere, 8400R

Wheelbase120.1 inches [305 cm]
Front tread62 to 88 inches [157 to 223 cm]
Width137.3 inches (warning lamps) [348 cm]
Width(optional)19.7 inches [50 cm]
Clearance (rear axle)24.9 inches [63 cm]
Front axleILS 42 KPH
Front axle1500 MFWD
Front axle(optional)175.1 inches (triples warning lamps) [444 cm]
Length245 inches [622 cm]
Clearance (front axle)23.1 inches [58 cm]
Clearance (front axle)(optional)259.5 inches (with front weights) [659 cm]
Height (cab)129.3 inches [328 cm]
Rear axle4.724 by 118.5 inches [119 by 3009 mm]
Rear axle4.724 by 96 inches [119 by 2438 mm]
Front axleILS 50 KPH

ILS axle Group 42 tires

With Group 47 tires

1500 axle Group 42 tires

Standard tires (ag)Front: 380/80R38. Rear: 480/80R50

Engine Specifications of John Deere, 8400R

  • John Deere PowerTech PSS
  • Liquid-cooled
  • 6-cylinder
  • Turbocharged aftercooled diesel
Emission controlSelective catalyst reduction
Compression16:1
Displacement548 ci [9.0 L]
Bore/Stroke4.66x5.35 inches [118 x 136 mm]
EmissionsTier 4
Fuel systemElectronic high-pressure common rail
Rated Power (gross)400 hp [298.3 kW]
Starter volts12
StarterElectric
Rated RPM2100

Transmission Information of John Deere, 8400R

Transmission variants 1

TransmissionJohn Deere e23
TypeFull power shift
Gears23 forward and 11 reverse

Mechanical Specs of John Deere, 8400R

  • Hydraulic wet disc brakes
  • Four-wheel drive
  • CommandView III cab standard with air-conditioning. AutoTrac ready; JDLink; ServiceADVISOR Remote
SteeringHydrostatic power
Steering(optional)Hydraulic front with 1500 and ILS axles
Final drivesInboard planetary
Trailer brakesHydraulic (optional)
Trailer brakes(optional)Active Command steering optional
Differential lockHydraulic rear standard
Differential lock(optional)Dual line air (optional)

Power Information of John Deere, 8400R

Rear PTOIndependent
Front PTOOptional independent
Front PTO(optional)540/1000 (1.375 optional)
Rear PTO Type1000 (1.75)
Front PTO Type1000 (1.75)
Front PTO Type(optional)1000/1000E (1.75 optional)

Hydraulics Specifications of John Deere, 8400R

TypeClosed-center load sensing pressure flow compensated
Front valves0 to 2
Rear valves4 to 6
Capacity10.6 gal [40.1 L]
SCV flow35 gpm [132.5 lpm]
Pump flow60 gpm [227.1 lpm]
Pump flow(optional)23.8 gal (optional) [90.1 L]
Pump flow(optional)42 gpm (optional) [159.0 lpm]

Three-Point Hitch of John Deere, 8400R

DrawbarCat 4
Rear TypeIVN/III
Front HitchOptional
Rear ArmsHydraulic center link optional
Rear lift15000 lbs [6804 kg]
Rear lift(optional)Cat 4 Heavy-Duty optional
Front lift (at ends)11450 lbs [5193 kg]
Front lift (at ends)(optional)20000 lbs (optional) [9072 kg]

Electrical System of John Deere, 8400R

GroundNegative
Battery CCA925 (each)
Batteries2
Charging systemAlternator
Battery volts12
Charging amps240

Where it sits

With 400 HP, the John Deere 8400R sits between 8370R (370 HP) and 8R 410 (410 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 8400R have?

The John Deere 8400R delivers 400 HP.

What years was the John Deere 8400R produced?

The John Deere 8400R was produced in 2016-2019.

What engine does the John Deere 8400R have?

The John Deere 8400R is powered by a Turbocharged aftercooled diesel, 6-cylinder engine.

What transmission does the John Deere 8400R use?

The John Deere 8400R uses a John Deere e23 transmission.

Is the John Deere 8400R 4WD?

The John Deere 8400R is available in 4WD.

Compare the John Deere 8400R with another model