John Deere

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John Deere 8400R 400-HP Agricultural Row-Crop Tractor

The John Deere 8400R Agricultural Row-Crop Tractor has a 400-hp engine. Learn more ...

Features and Benefits

  • 400 Engine hp
  • John Deere PowerTech™ 9.0L PSS
  • e23™ PowerShift Transmission
  • MFWD, or Independent Link Suspension (ILS™)
  • Hydraulic Capacity Up to 85 U.S. gpm (321 L/min) 
  • Hitch-Lift Capacity Up to 18,700 lb. (8,482 kg) 
  • Connections AutoTrac™ and JDLink™


  • MANUFACTURER: John Deere
  • MODEL: 8400R


  • Diesel Engine Type (see code selection) 
  • Displacement (see code selection) 
  • Engine Power Level/Speed (see code selection) 
  • Air-to-air intercooled  
  • Automatic shutdown system  
  • Dry type air cleaner with safety element and dirt aspiration system 
  • Tilt hood enclosure  
  • VariCool fan drive system  
  • Electric fuel shutoff  
  • Engine coolant conditioner additive 
  • Engine coolant recovery system  
  • Dual stage fuel filtration system with fuel water separator with sensor 
  • Self-priming and bleeding electronic fuel pump 
  • Fuel Tank Capacity (see engine details) 
  • DEF Tank Size Capacity (see engine details) 
  • B2 biodiesel from the factory  
  • Top-loading vertical engine oil filter 
  • Electronic injection and governor control 
  • Field cruise control  


  • Transmission (see code selection) 
  • CommandArm Controls (see code selection) 
  • Neutral safety start system  


  • Load-Sensing Hydraulic Power Steering (see code selection) 
  • Wet-disk hydraulic power brakes  
  • Tilt and telescoping memory steering wheel 
  • Hydraulically-engaged rear differential lock 


  • Pressure and Flow Compensating 
  • Axial Piston Pump 
  • Hydraulic Pump (see code selection) 
  • Selective Control Valves (see code selection) 
  • Push/Pull ISO Breakaway Couplers and High Pressure Relief Levers 


  • Power Take-Off (see code selection) 
  • PTO safety start system  
  • Seat-activated PTO warning  
  • Adjustable engagement modulation  


  • Hitch Type (see code selection) 
  • Fixed length draft links arms  
  • External sway blocks with tapered wedge adjustment 
  • Electro-hydraulic hitch dampening  
  • Center link adjustment handle  
  • Right hand and left hand lift link adjustment handles 
  • Drawbar Type (see code selection) 


  • Corner Post Digital Instrument 
  • Panel includes: 
  • Engine Coolant Temperature Gauge  
  • Fuel Level Gauge with  Low Fuel Warning Signal  
  • Engine RPM Indicator  
  • Status indicator for:  
  • Mechanical Front Wheel Drive (MFWD) 
  • Differential lock  
  • Rear Power Take Off (PTO) speed  
  • CommandCenter Display with Processor includes: 
  • Generation 4 AutoTrac Capability - Activiation Required (see code selection) 
  • Video Capability with Tractor Function Activated Triggers 
  • Access Manager  
  • Universal Machine and Work Monitor 
  • Reconfigurable Display Function Definable by Operator 
  • iTEC tractor and implement function control Trailer Brake Warning Signal (see code selection) 
  • Implement Automation Active indicator 
  • AutoTrac Steering Fault indicator 


  • For a complete list of languages refer to the Ag Sales Manual 


  • CommandView III cab (see code selection) 
  • Tilt and telescoping memory steering wheel Seat (see code selection) 
  • Integrated CommandCenter Display (see code selection) 
  • Adjustable Position CommandARM with 
  • Integrated Controls 
  • Swing-out rear window 
  • Tinted glass  
  • Air conditioner and heater  
  • Automatic temperature control with controls located on CommandARM 
  • Rear storage behind seat  
  • Folding instructional seat  
  • Left hand storage  
  • Two beverage holders  
  • Right and left outside mirrors  
  • Radio (see code selection) 
  • Inside cab mounted rear view mirror 
  • Passive noise reduction system  
  • Laminated front glass and sound barrier 
  • Backlit CommandARM controls with adjustable brightness 
  • Step, left hand convenience  
  • Programable egress lighting  
  • Power strip with convenience plug adapter 
  • Coat hook in rear corner  


  • Key engine shutoff  
  • 12V Electrical System  
  • Two 925 CCA 12V batteries  
  • Three 12V electrical convenience outlet 
  • Two 12V electrical 3-pin outlet with adapter 
  • Battery boost terminal  
  • 200 amp alternator  
  • SmartCircuit current load monitoring system with fuse panel 
  • 7-Terminal rear implement electrical outlet socket 
  • Integrated International Standard 
  • Organization (ISO) radar connector 
  • StarFire ITC or radar speed input harness 
  • ServiceADVISOR data port  


  • Exterior Lighting (see code selection) 
  • Left hand rotary beacon light  
  • Extremity, brake, turning, and hazard lights 
  • Integrated plug-in for GreenStar Display 
  • Deluxe StarFire Receiver bracket  
  • GreenStar Ready harness with implement circuit Gateway and integrated GreenStar Display plug-in connector (International Standard Organization (ISO) 11783 compatible) 
  • Ethernet harness  
  • AutoTrac ready components:  
  • Wiring, Steering System Unit (SSU), front wheel-angle sensor and electro-hydraulic steering valve 


  • Horn  
  • Power Take Off (PTO) master shield 
  • Tool box  
  • Operator's Manual (see code selection) 

The specifications listed are indicative of the Standard Base Machine Features only and may differ if alternative Options/Attachments are ordered. 

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