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8RX 340 TRACTOR

Four-Track Tractor

  • 340 engine hp
  • John Deere PowerTech™ 9.0L engine
  • Choice of e23™ PowerShift or Infinitely Variable Transmission (IVT™)
  • Our most spacious, comfortable cab



View Product Brochure



Features



Ultimate Comfort and Convenience packageUltimate Comfort and Convenience package

The Ultimate Comfort and Convenience package offers unsurpassed visibility, operator comfort, control placement, and ride and sound quality. Features in this package include:

 

Controls

  • CommandARM™ console with hitch and hydraulic integrated controls
  • Air conditioner and heater with automatic temperature controls
  • Radio and volume controls
  • Hitch control lever lock and selective control lever lock
  • Tilt/telescoping steering wheel with position memory
  • Auto trac resume button
  • iTEC™ engagement buttons

 

Displays

  • 21.3-cm (8.4-in.) 4200 or 26.4-cm (10.4-in.) 4600 Generation 4 CommandCenter™ Display
  • Digital cornerpost display with:
    • Fuel level gauge, including low fuel warning
    • Temperature gauge
    • Diesel exhaust fluid (DEF) gauge, including low DEF warning
    • Engine rpm
    • Transmission commanded gear or wheel speed
    • Vehicle system functions, such as iTEC system, that are operating
  • Monitor mounts on right-hand front post and rear cab post

 

Storage

  • Storage compartment underneath the instructor seat
  • Left-hand ceiling storage compartment
  • Refrigerator located on the left side behind the instructor seat
  • Beverage holders sized to accommodate various containers

 

Sound

  • Passive noise reduction system
  • Premium sound system, including touchscreen radio, smartphone interface, AM/FM/WX, aux and Bluetooth® with voice control, inputs, XM® ready, six speakers with one subwoofer, and business band ready

 

Outlets

  • Three 12-V convenience outlet (cigarette lighter style)
  • Six 12-V three-pin outlet with adapter (provides switched and unswitched power)
  • Four charging USB ports
  • 120-V AC power outlet
  • One International Organization for Standardization (ISO) nine-pin connector
  • Power strip with convenience plug adapter
  • Service ADVISOR™ data port

 

Mirrors

  • Inside-mounted rearview mirror
  • Right and left outside mirrors (manually adjustable mirror head)

 

Windows

  • Swing-out rear window that opens 30 degrees
  • Laminated glass
  • Two-speed and intermittent front, rear, and right-hand side wiper with washer
  • Front, left and right-hand side, and rear pull-down sunshade

 

Lights

  • Interior dome light in the ceiling
  • Map lights

 

For additional attachments and mounting solutions, see Cab convenience or Cab mounting solutions.

Seat
Leather seatLeather seat

The seat improves ride quality and helps to reduce operator fatigue.

 

Features include:

  • Leather
  • Heat and ventilation to keep the operator at a comfortable temperature
  • Adjustable bolsters
  • Massage functionality
  • Electronic controls to adjust to operator preference
  • Pneumatic lumbar adjustment
  • Seat height adjustments conveniently located below the left armrest
  • Fore-aft adjustment is easy to reach, located below the left armrest
  • Cushion length adjustment to get the perfect fit
  • Swivel adjustment, located on the front of the seat, allows the seat to be swiveled 40 degrees to the right or 25 degrees to the left of the center position with a pivoting CommandARM console
  • Seat can be configured with air seat suspension, ActiveSeat™ II suspension or air seat plus cab suspension
  • Operator presence switch warns if the operator is out of the seat while operating key functions
  • Seat belt retractor
  • Centered cab seat provides excellent over-shoulder visibility
  • Adjustable shock absorber permits ride adjustment from soft to firm to match the operator's desired comfort level
  • Removable cushions allow for easy cleaning
  • Folding instructional seat

 

Bluetooth is a trademark of Bluetooth SIG, Inc. XM is a trademark of Sirius XM Radio, Inc.

Ultimate Visibility packageUltimate Visibility package

Visibility is one of the most important attributes of the cab. While lighting is a large portion of that, features like windshield wipers, mirrors, sunshades, and cameras are also important to overall visibility. For this reason, John Deere offers three visibility packages on 7 and 8 Family Tractors:

  • Select 
  • Premium
  • Ultimate
Lighting

The lighting configurations are available to match various applications and ensure maximum around-the-clock productivity.

 

Light housings are large, allowing for optimum total lumens and available light. The Select Visibility package uses 65-W halogen bulbs, whereas the Premium and Ultimate Visibility packages use light-emitting diode (LED) lights. The Premium and Ultimate Visibility packages replace Select Visibility package’s halogen lights with LED lights. The only lights that are not LED are the low-beam driving lights; they remain halogen. This allows each LED light to work at a lower temperature and no one light works harder than any other. The uniformity in LED coverage allows only one type of light output surrounding the tractor.

 

The lighting pattern in the Ultimate Visibility package provides industry-leading performance in nighttime visibility. LED lights provide maximum brightness and a true color output for excellent field definition that is easy on the operator's eyes.

 

The LED lights provide 40 percent greater coverage width and 10 percent more light coverage in the rear. LED lighting packages use 45 percent less amps than standard halogen lights and have an increased life expectancy over HID lights which leads to lower costs of ownership over the life of the tractor.

 

The low- and high-beam driving/work lights are adjustable. Please refer to the electrical section in the Operator’s Manual for complete details on adjusting lights.

 

NOTE: Lighting packages may vary depending on region.

CommandARM™ console with CommandPRO controlCommandARM™ console with CommandPRO control

The unique driving strategy is designed to deliver highest performance in combination with operator comfort making the daily work much easier and efficient.

Driving strategy
  • Pedal and joystick mode are active at the same time
  • ActiveZero keeps the output speed actively at 0 km/h (0 mph) until command for acceleration is given independent of load or engine speed
  • Command top and zero speed simply by one push or pull
  • Unique inching control
  • Three easily adjustable travel set speeds
  • Two engine set speeds
  • Three acceleration response settings
Driving strategyDriving strategy
 Forward movementReverse movement
1AccelerateDecelerate
2Top set speedZero speed
3DecelerateAccelerate
4Zero speedAccelerate
5Activate set speed
6Select direction
7Inching speed 
8 Inching speed

 

Hydraulic pump and filtersHydraulic pump and filters

All 8 Family Tractors come standard with an 85-cc displacement integrated hydraulic pump. This pump provides 227.1 L/min (60 gpm) of hydraulic flow.

 

A dual-pump option, featuring 85-cc and 35-cc displacement hydraulic pumps, is available for all 8R and 8RX Tractors. The dual-pump system provides a hydraulic flow of 318 L/min (84 gpm), ideal for running at lower engine speeds.

 

Operating the tractor at reduced engine rpm contributes to a quieter cab, reduced fuel usage, and maintains the vacuum while turning and raising the planter on end rows. At 1500 engine rpm with a 318-L/min (84-gpm) system, there will be an available flow of 229 L/min (61 gpm). This is an improvement over an available 162-L/min (43-gpm) flow when operating with a 227-L/min (60-gpm) system at 1500 engine rpm.

 

SCV flow (approximate)

Engine rpm

Pump flow (85-cc pump)High pump flow (85-cc pump + 35-cc optional pump)

800

86 L/min (23 gpm)122 L/min (32 gpm)

1500

162 L/min (43 gpm)229 L/min (61 gpm)

1700

184 L/min (49 gpm)260 L/min (69 gpm)

1900

206 L/min (54 gpm)290 L/min (77 gpm)

2100

227 L/min (60 gpm)318 L/min (84 gpm)

 

The maximum flow through one selective control valve (SCV) with a standard coupler is 132 L/min (35 gpm). A 19.1-mm (3/4-in.) high-flow coupler allows for a maximum flow rate out of one SCV of 153 L/min (40.5 gpm).

 

The hydraulic system is a closed-center, power-on-demand system using a load-sensing pressure-flow compensated axial piston pump with full-flow charge and flow prioritization for steering and brakes.

 

The pump outlet pressure available on demand can range from 3000 kPa (435 psi) for track models and 4000 kPa (580 psi) for wheel models at low standby to 20,400 kPa (2958 psi) at high standby.

Maximizing uptime for John Deere customers through the use of connectivity and technologyMaximizing uptime for John Deere customers through the use of connectivity and technology

John Deere Connected Support is a proactive service approach that utilizes the telematics machine connection to leverage a suite of remote support tools available to improve service efficiency and reduce machine downtime on all 7, 8, and 9 Family Tractors.

  • Proactive services that drive more uptime
  • In-the-moment services to ensure quality job performance
  • Leveraging technology to be more effective and efficient

 

You know that when you’re in the field the unexpected can happen. When it does, you need a quick resolution. That’s why John Deere equipment is prepared with technology that senses potential issues and can alert you promptly—in the cab or anywhere you are. Better yet, your dealer can receive alerts and connect to your equipment. You know your dealer is always ready to keep you farming – and farming better. Starting with model year 2020, your John Deere tractors will come with a 5-year JDLink™ subscription from the factory that makes this connection possible.

John Deere Connected Support toolsJohn Deere Connected Support tools

Stop fearing the unexpected and start planning for it with the following John Deere Connected Support tools.

 

Monitor machines on the goMonitor machines on the go
Connectivity provides data that drives better decisionsConnectivity provides data that drives better decisions

Customer needs and their success is John Deere’s focus. As functionality becomes more accepted and even expected, that functionality moves from being optional to being included with the machine. In model year 2019, AutoTrac™ guidance and documentation was included on machines equipped with a 4600 CommandCenter™ Display. Five years of JDLink is also included with the purchase of all model year 2020 machines equipped with a 4G LTE Modular Telematics Gateway (MTG). The functionality of JDLink on these machines includes everything that was previously included with JDLink Access + Remote Display Access (RDA) and JDLink Connect subscriptions. This added connectivity enables customers to more easily realize the value of a connected machine.

  • Easily transfer data and collaborate with trusted advisors to plan your field work quickly. You or your employees can spend more time in the field working rather than sitting on a headland setting up the technology. With a connection between John Deere Operations Center and your machines, changes to field plans occur as needed. Those changes may include changes in varieties, application rates, or machines.
  • Better enable data-driven decisions. By using the insights gathered from machines along with the tools in Operations Center (e.g., Field Analyzer, Field Analyzer Beta, and Machine Analyzer) you can understand how your fields are performing and what field plans had an impact. John Deere Operations Center gives you access to more than 100 connected software tools, so you have the ultimate choice of popular industry tools. And, if you don't want to analyze the data yourself, you can share the data with those that help you make decisions to provide the insights you need.
  • Report work completed accurately and timely for compliance and billing purposes.
  • Increase machine uptime with Connected Support. Your local John Deere dealer can provide remote monitoring services and diagnostics to help keep your machines up and running, reduce your maintenance expenses through early detection of problems, and provide over-the-air software updates for displays, receivers, and controllers.
  • Get quick in-field support with RDA. You can monitor your machines from your office computer or a mobile device on the go.
  • Remotely manage machines and employees to give you insights into how they are performing. If machines are being underutilized or field operations are not being properly conducted, you can put plans in place to improve productivity.
  • Quickly make changes to improve your harvesting operations by remotely viewing and adjusting combine settings.

To use JDLink, the following is required:

  • MTG
  • An active JDLink subscription
  • A John Deere Operations Center account to access machine and agronomic data

The Generation 4 CommandCenter was designed to provide a consistent user experience by providing full-screen viewing of more run page modules, shortcut keys, and precision agriculture capabilities.

Expect easier set-up, along with increased operator confidence, thanks to a simple, customizable interface. The improved design of the Generation 4 CommandCenter also aids in an optimal operating experience and maximizes uptime.

In order to increase your efficiency, take advantage of the following features offered by the Generation 4 CommandCenter:

Layout manager
Layout manager selection pageLayout manager selection page
Layout manager module buildLayout manager module build
  • Easily create page views that meet your needs and that are also equipped with default run pages.
    • Users and access allow the owner or manager to lock out certain functions to prevent operators from accessing or changing settings with a defined four-digit code.
    • Gather on-screen help by selecting the help icon on the shortcut bar on the bottom of every page.
Machine monitor
Machine monitor pageMachine monitor page
  • The Machine Monitor application provides you instantaneous readings about the status or condition of your machine.
    • This application shows parameters such as engine speed, coolant temperature, and ground speed.
Work monitor
Work monitor pageWork monitor page
  • The Work Monitor application displays performance information about the task being performed by the machine.
    • You are shown averages, totals, and productivity of the machine, such as area worked, average working speed, and fuel usage.
    • Work setup places the settings needed to properly setup features such as AutoTrac, Documentation, and Section Control in a single location. Settings include:
      • Client, farm, and field
      • Crop type
      • Machine and implement dimensions
      • Variety/hybrid and planting/seeding rates
      • Variable rate prescriptions
      • Product and application rates
      • Application rates through the implement screens
Video capability
  • Machines equipped with a 4200 CommandCenter are equipped with one video input, and the 4600 CommandCenter has four video inputs.
    • You have the ability to set a variety of triggers. With each trigger, the image will then appear on the display.
Flags
Create flags to mark items in the fieldCreate flags to mark items in the field
  • Mark areas in the field that need special attention such as rocks, tile lines, or weed pressure.
    • Flags previously recorded on the Gen 4 or GreenStar™ 3 2630 Display can be transferred between monitors.
Field boundaries
Boundary creation from coverageBoundary creation from coverage
Headland creationHeadland creation
  • Manually drive field boundaries with the Generation 4 CommandCenter or import existing boundary information from the GreenStar 3 2630 Display or John Deere Operations Center. Gen 4 documentation data can be used to create boundaries from coverage within the John Deere Operations Center.
Dual-display mode
Dual displayDual display
  • Generation 4 CommandCenter may be configured to run with the following John Deere displays connected at the cornerpost of a John Deere tractor:
    • GreenStar 2 1800 Display
    • GreenStar 2 2600 Display
    • GreenStar 3 2630 Display
    • 4640 Universal Display
    • 4240 Universal Display

NOTE: Vehicle applications will always be located on the Gen 4 CommandCenter.

Automatic base station switching
Setup base stations in Fields and Boundaries applicationsSetup base stations in Fields and Boundaries applications
  • Customers using John Deere RTK Radio 450 or 900 can link a base station to a desired client,/ farm,/ or field. This allows automatic switching to the associated base station when changing fields. The ability to import base station assignments into Operations Center and send back to machines will be available at a later date.
Video looping supported with Gen 4 4600 CommandCenter Display and 4640 Universal Display
Scan through videos with video loopingScan through videos with video looping
  • This feature enables users to scan or loop through all of the available video feeds for a specified duration. The default scan time is set to 7 seconds per image. The scan time is customizable per image allowing for consistent visibility to all video feeds.
StarFire 6000 Integrated ReceiverStarFire 6000 Integrated Receiver

The John Deere StarFire™ 6000 Integrated Receiver is the new standard in John Deere Precision Ag technology. The integrated design further enhances the value that you have come to expect from StarFire products.

The StarFire 6000 Integrated Receiver eliminates all setup, installation, and calibrations. There is no need to verify machine and receiver measurements, as this has been done precisely for you at the factory. You will spend 60 minutes less per receiver move each season, which gives you more time to focus on other parts of your operation.

With updated Ethernet connectivity, software updates are easier and faster. StarFire 6000 Integrated Receiver maintains the speed to update software in under 4 minutes while remaining in the cab. Over-the-air updates are 85 percent faster with the StarFire 6000 Integrated Receiver because of Ethernet connectivity.

Specifications


Key Specs 8rx-340-tractor
Current Model
Engine descriptionJohn Deere PowerTech™ PVS 9.0 L (B20 diesel compatible)
Engine displacement9 L
549 cu in.
Rated engine powerECE-R120: 250 kW
340 hp
Maximum engine powerECE-R120: 275 kW
374 hp
Rated PTO power (hp SAE)211 kW
284 hp
Maximum PTO power
Transmission typeStandard: e23™ PowerShift™ with Efficiency Manager™ 40K, 40 km/h (24.9 mph)
Optional: John Deere AutoPowr™ IVT™ 40K, 0.05-42 km/h (0.03-26 mph)
Hydraulic pump rated outputStandard: 85-cc pump: 227.1 L/min
60 gpm
Optional: 85-cc plus 35-cc dual pump: 321 L/min
85 gpm
Rear hitch category (SAE designation)Standard: Category 4N/3 standard lift at 610 mm (24 in.) behind hitchpoint: 9072 kg
20,000 lb
Optional: Category 4N/3 at 610 mm (24 in.) behind hitchpoint: 6803 kg
15,000 lb
Base machine weighte23, 457-mm (18-in.) front/rear and 3048-mm (120-in.) tread: 19,600 kg
43,300 lb
Engine specifications
DescriptionJohn Deere PowerTech™ PVS 9.0 L (B20 diesel compatible)
Engine typeDiesel, in-line, 6-cylinder, wet-sleeve cylinder liners with four valves in head
Engine familyJJDXL09.0308
Rated speed2100 rpm
AspirationSingle, variable geometry turbo; air-to-air aftercooling and cooled exhaust gas recirculation
Cylinders linersWet-sleeve
Emission levelFinal Tier 4
After treatment typeDiesel oxidation catalyst (DOC)/diesel particulate filter (DPF)/selective catalytic reduction (SCR)
Displacement9 L
549 cu in.
Engine performance
Rated powerECE-R120: 250 kW
340 hp
Rated PTO power (hp SAE)211 kW
284 hp
Maximum PTO power
Intelligent Power Management (available in transport and/or mobile PTO applications)
Power boost10 percent
Maximum engine powerECE-R120: 275 kW
374 hp
Engine peak torqueAt 1600 rpm: 1592 Nm
1174 lb-ft
PTO torque rise40 percent
Transmission
TypeStandard: e23™ PowerShift™ with Efficiency Manager™ 40K, 40 km/h
24.9 mph
Optional: John Deere AutoPowr™ IVT™ 40K, 0.05-42 km/h (0.03-26 mph)
Reverser
Clutch; wet/dry
Creeper
Hydraulic system
TypeClosed-center, pressure/flow compensated system with load sensing
Pump rated outputStandard: 85-cc pump: 227.1 L/min
60 gpm
Optional: 85-cc plus 35-cc dual pump: 321 L/min
85 gpm
Available flow at a single rear SCV1.3-cm (1/2-in.) couplers: 132 L/min
35 gpm
1.9-cm (3/4-in.) coupler: 159 L/min
42 gpm
Available flow at front SCVs96 L/min
25 gpm
Number of rear selective control valves (SCVs)Standard: 1.3-cm (1/2-in.) ISO couplers: 8
Optional: 1.3-cm (1/2-in.) ISO couplers: 5 and 6 available
1.9-cm (3/4-in.) ISO coupler: 5
Number of mid selective control valves (SCVs)
Number of front selective control valves (SCVs)
Joystick SCV control
SCV controlElectronic
Rear hitch
Hitch draft control load sense type
Remote control valves available
Hitch category (SAE designation)Standard: Category 4N/3 standard lift at 610 mm (24 in.) behind hitchpoint: 9072 kg
20,000 lb
Optional: Category 4N/3 at 610 mm (24 in.) behind hitchpoint: 6803 kg
15,000 lb
Maximum lift capacity behind lift pointsStandard (at 610-mm [24-in.] behind hitch point): 12,124 kg
26,729 lb
Lift capacity at standard frame
Sensing typeElectrohydraulic
Rear axle differential lock
Drawbar
Drawbar categoryStandard: Category 4
Optional: Category 4 with heavy-duty support
Maximum vertical loadStandard: 2245 kg
4950 lb
Optional (dependent on drawbar position): 4990 kg
11,000 lb
Rear power take-off (PTO)
TypeIndependent
Standard: 44 mm (1.75 in.) 20-spline, 1,000 rpm
Optional: 44 mm (1.75 in.), 20-spline, 1,000 rpm capable of 35 mm (1.375 in.) 540/1000 rpm
44 mm (1.75 in.) 20-spline, 1,000 rpm/1,000E rpm
Engine rpm (at rated PTO speeds)IVT: 1,000 PTO rpm at 2,000 engine rpm, 1,000 ECO PTO at 1594 engine rpm, 540 PTO rpm at 1,814 engine rpm
e23 PowerShift: 1,000 PTO rpm at 1,995 engine rpm, 1,000 ECO PTO at 1,590 engine rpm, 540 PTO rpm at 1,810 engine rpm
Multispeed PTO option availabilityAvailable: 45-mm (1.75-in.), 1000-rpm and 1000E economy rpm PTO, in-cab shiftable
Ground speed PTO option availability
PTO actuationElectrohydraulic with adjustable modulation
Front hitch
Category
Electric power
Standard lift capacity
Front power take-off (PTO)
PTO speed
Rear axle
TypeFlange
Final drive typeInboard planetary
Differential controls
Axle type
Brakes, type and control
Rear differential lockFull-locking electrohydraulic
Load rating
Front axle
Type1700 Series MFWD
Front axle differential lockFull-locking electrohydraulic (actuated at same time as rear diff-lock)
Load rating
Tires
Front
Rear
Wheel tread range
Turning radius with brakes
Turning radius without brakes9 m
29.5 ft
With 3048-mm (120-in.) tread setting and 457-mm (18-in.) front and rear tracks
Measured center of drawbar in U-turn
Tracks
Tread spacingAvailable: 1930.4 mm
76 in.
2032 mm
80 in.
2235.2 mm
88 in.
3048 mm
120 in.
Drive typeCamso® 4500 and 6500 General Ag Series - reinforced drive lug technology
Track widthAvailable: 457 mm
18 in.
609 mm
24 in.
762 mm
30 in.
MidrollersFront: Two
Rear: Three
Steering
Electrical system
Alternator sizeStandard: 200 amp
Optional: 330 amp
Battery options12 V
Working lightsStandard: 18 halogen
Available: 18 LED
22 LED
Type of bulb in headlight (Halogen, Zenon, LED)
Standard: halogen, 65 W
Available: LED
Type of bulb in beacon (Halogen, Zenon, LED)
dB(A) rating for backup alarm
Total cold cranking amps1,850 CCA
Operator station
Rollover protective structure, OOS

SeatDegree of seat swivel, left hand
25 degree (angle)
Degree of seat swivel, right hand
40 degree (angle)
Standard: air suspension
Cab suspensionStandard: four-post cab suspension
Instructional seatStandard
DisplayStandard: Generation 4 4100 CommandCenter™ with 17.8-cm (7-in.) display
Optional: Generation 4 4600 CommandCenter with 25.4-cm (10-in.) display
RadioStandard: AM/FM stereo with weatherband, remote controls, auxiliary input jack, four speakers and external antenna
Inner cab volume3.24 m3
114 cu ft
dB(A) rating
Cab glass area6.52 m2
70.18 sq ft
Safety glass rating
Front visibility
Dimensions
Wheelbase3235 mm
127.36 in.
Overall length
Overall height
Drawbar clearance
Front axle center
Approximate shipping weight, Open;Cab
Weight
Base machine weight

e23, 457-mm (18-in.) front/rear and 3048-mm (120-in.) tread: 19,600 kg
43,300 lb
Maximum ballast level
Maximum permissible weight
Capacities
Crankcase oil volume26.6 L
7 U.S. gal.
Fuel tank851 L
225 U.S. gal.
Diesel exhaust fluid (DEF) tank37.2 L
9.8 U.S. gal.
Cooling system

40.3 L
10.6 U.S. gal.
Transmission-hydraulic system3048-mm (120-in.) tread: 175 L
46.2 U.S. gal.
Serviceability
Interval for engine oil change500 hours
Interval for hydraulic/transmission oil change1,500 hours
Interval for engine coolant change6,000 hours
Loaders
Loader
Lift capacity at full height
Maximum lift height
Precision AG
GuidanceIntegrated AutoTrac™
TelematicAvailable with JDLink™ hardware, activations, and Ethernet harnesses (availability dependent upon destination)
Remote diagnosticsAvailable with activated JDLink hardware and activations
Miscellaneous
Side slope rating
Uphill/downhill slope rating
Country of manufactureUSA

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