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John Deere 9420R 4WD 420-hp Tractor

The John Deere 9420R 4WD Tractor has a 420-hp engine. Learn more...

Features and Benefits

  • Horsepower: 420 engine hp  
  • Hydraulic Capacity: Up to 58 U.S. gpm (220 L/min) standard. Up to 115 U.S. gpm (435 L/min) optional. 
  • Hitch Capacity: Up to 20,000 lb. (9072 kg) 
  • Drawbar Capacity: Up to 12,000 lb. (5440 kg)


  • MODEL 9420R


  • Tier 4 Emissions Compliant
  • John Deere PowerTech PSS Diesel
  • In-line 6-Cylinder Wet-Sleeve Diesel Engine with Electronic Diesel Injection 
  • 13.5 L (824 Cu. In.) Displacement 
  • 309 kW (414 HP) Engine Power Level 
  • ECE-R24 @ Rated Engine Speed 
  • 309 kW (420 HP) Engine Power Level 
  • 97/68EC @ Rated Engine Speed (PS) 
  • Air to Air Aftercooled 
  • Automatic Shutdown System 
  • Dry Type Air Cleaner with Safety Element, and Pre-Cleaner 
  • VariCool Fan Drive System 
  • Electric Fuel Shutoff 
  • Engine Coolant Conditioner Additive 
  • Engine Coolant Recovery System 
  • Dual State Fuel Filtration System with Fuel Water Separator with Sensor 
  • Self-Priming and Bleeding Electronic Fuel Pump 
  • 1173.4L (310 U.S. Gal.) Fuel Tank Capacity with Lockable Fuel Cap 
  • 83.2L (22 U.S. Gal.) DEF Tank Capacity 
  • B2 Biodiesel Fuel from the Factory 
  • Top-loading Vertical Engine Oil Filter 
  • Electronic Injection and Governor Control 
  • Field Cruise Control 
  • Engine Coolant Heater 110V 
  • Ether Starting Aid 


  • e18 Transmission, 18 F/6 R Speeds with Efficiency Manager 
  • Hydraulically-Engaged Wet-Disk Clutch 
  • Park Lock 
  • Neutral Safety Start System  


  • Articulated Type Hydrostatic Steering 
  • Wet Disk
  • Self-Adjusting Brakes 
  • Tilt/Telescoping Steering Wheel 
  • Hydraulically-Engaged Front and Rear Differential Lock 


  • Pressure Flow Compensating 
  • 219 L/min (58 gpm) Pump Output Provides up to 140 L/Min (35 gpm) 
  • Four Rear Remote Selective Control Valves with Electro-Hydraulic Controls (Single Hydraulic Pump Hydraulic System) 
  • Includes TouchSet Hydraulic Controls
  • Push/Pull Breakaway Couplers and High Pressure Relief Levers 


  • Less PTO 


  • Category 4 Drawbar with Standard Drawbar Support 
  • Drawbar Clevis and Pin 
  • Secondary Chain Support Less Hitch 


  • Corner Post Digital Instrument Panel Includes: 
  • Engine Coolant Temperature Gauge 
  • Fuel Level Gauge with Low Fuel Warning Signal 
  • Diesel Exhaust Fluid Level Gauge with Low DEF Warning Signal 
  • Engine RPM Indicator 
  • Status Indicator for: 
  • MFWD 
  • Differential Lock Rear PTO Speed 
  • CommandCenter 10" Display with 4600 Processor Includes Generation 4 AutoTrac Capability, Activation Required 
  • Video Capability, with Tractor Function Activated Triggers Access Manager 
  • Universal Machine and Work Monitor 
  • Reconfigurable Display Functions 
  • Definable by Operator 
  • iTEC Tractor and Implement Function Control 


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


  • Standard CommandView III Cab 
  • Tilt/Telescoping Memory Steering Wheel 
  • Comfort Command Seat with Air Suspension, 40 degrees Seat Swivel to the right 
  • Fore-Aft and Lateral Attenuation with Lumbar Support Backrest Adjustment 
  • Integrated 10" CommandCenter Display 
  • Adjustable Position CommandARM with Integrated Controls 
  • Swing-Out Rear Window (30 Degrees) 
  • Tinted Glass 
  • Air Conditioner and Heater 
  • Automatic Temperature Control with Controls located on CommandArm 
  • Two Speed, Intermittent Front and Rear Wiper/Washer 
  • Pull Down Front Sun Visor 
  • Rear Storage Behind Seat 
  • Folding Instructional Seat 
  • Left Hand Storage 
  • Two Beverage Holders 
  • Right and Left Outside Mirrors 
  • Standard Radio with Four Speakers 
  • Inside Cab Mounted Rear View Mirror 
  • Passive Noise Reduction System 
  • Laminated Front Glass and Sound Barrier 
  • Backlit CommandArm Controls with Adjustable Brightness 
  • Programable Egress lighting 
  • Power Strip with Convience Plug Adapter 
  • Coat hook in rear corner 


  • Key Engine Shutoff 
  • 12V Electrical System 
  • Three 925 CCA Capacity, 12V Batteries 
  • Three 12V Electrical Convenience Outlet 
  • Two 12V Electrical 3-Pin Convenience 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 ISO Radar Connector 
  • GreenStar Ready Harness with Starfire iTC or Radar Speed Input Harness 
  • ServiceADVISOR Data Port 


  • Front Hood Lights (Eight Total)
  • Two HB3 65W Low Road Headlights 
  • Two HB3 65W High Road Headlights with Hand Operated Dimmer Switch 
  • Two 65W Adjustable Corner Work Lights 
  • One 65W Adjustable Center Work Light 
  • One 65W Adjustable Center Spot Light 
  • Four 65W Rear Fender Mounted Pedestal Mounted Work Lights 
  • Cab Roof Lights 
  • Two 65W Adjustable Front Flood Lights 
  • Four 65W Fixed Side Flood Lights (2 per side) 
  • Two 65W Fixed Rear Flood Lights 
  • Four Corner Amber Flashing Warning Lights with Turn Signal Control 
  • Two Rear Fender Tail/Brake/Turn lights 
  • Road Transport Extremity Lights 
  • Left Hand Rotary Beacon Light 


  • 120 mm (4.72 In.) X 3048 mm (120 In.)Diameter Single Reduction 
  • Four Cast Inner/Four Steel Outer Wheels 
  • Eight 710/70R42 168A8 R1W Radial in 
  • Dual Wheel Configuration 


  • Integrated Plug-In for GreenStar Display 
  • Deluxe StarFire Receiver Bracket 
  • GreenStar Ready harness with Implement Circuit Gateway and Integrated GreenStar Display Plug-In Connector (ISO 11783 Compatible)
  • Ethernet Harness 
  • AutoTrac Ready Components: 
  • Wiring, Steering Controller, Front Wheel-Angle Sensor and Electro-Hydraulic Steering Valve 


  • SMV Emblem (If required)
  • Electric Horn
  • Tool Box
  • Rear Storage Box (not available with PTO) 
  • Operator's Manual
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