John Deere 9520R

PTO and shield

Fully independent 1000-rpm PTO is available as a factory- or field-installed option.

• Available on all 9 Family Ag Tractors.
• Full-power capability for maximum utilization*
• 4.45-cm (1-3/4-in.) diameter shaft.

* 9 Family Tractors derate PTO hp when tractor is stationary.

9R – When the PTO is on and ground speed is 0.5km/h (0.31 mph) or less; PTO is limited to 335 hp.

9RT – When the PTO is on and ground speed is 0.5km/h (0.31 mph) or less; PTO is limited to 329 hp.
9RX – When the PTO is on and ground speed is 0.5km/h (0.31 mph) or less; PTO is limited to 335 hp.

See the specs page for model rated PTO horsepower.

The PTO shield has three positions — neutral, up, and down. Use the neutral position when the PTO is connected and ready for use. Use the up position for added clearance when connecting the PTO shaft to the tractor. The down position is used when the PTO is not connected and extra visibility to the drawbar is desired.

Electrohydraulic PTO control

The 9 Family Tractors utilizes an electrohydraulic PTO-engagement switch to activate the optional 1000-rpm PTO.

If PTO option is not installed, a storage compartment is located on the rear of the tractor.

Rear storage compartment on 9R

3-point hitch

3-point hitch on 9RX

The 9 Family Tractors are designed to maximize performance for different applications. The 9R, 9RT, and 9RX Series Tractors offer two different hitch options:

CommandARM™ controls

Hitch controls

3–point hitch controls under armrest on CommandARM

To help boost productivity, a field-installed kit with 3-point hitch controls can be purchased. If this option is selected, control buttons will be located on the 9 Family Tractor’s CommmandARM to access individual hitch settings. There are three buttons — set, lock, and load depth. There is also a rotary encoder that allows for finite movements of the hitch. The rotary encoder is detented, so it clicks for each movement. Additionally, hitch adjustment controls are located under the CommandARM for raise/lower rate.

Hitch load depth

The load depth feature is a useful tool designed to increase performance in tillage applications. Load depth adjustments allow the operator to make adjustments to hitch draft responsiveness.

Draft control helps maintain the operating depth in varying conditions, such as rolling terrain, and varying soil densities.

An additional feature with load depth control is the hitch slip option.  Hitch slip uses wheel slip data to supplement the draft control system. If the wheels slip, the 3-point hitch lifts to allow the tractor wheels to maintain traction with the ground. Once the slip condition is no longer present, the hitch lowers to the required depth as determined by the hitch command and load depth settings.

Both of these hitch command options are easily programmable in the CommandCenter display by pressing the load depth shortcut key, followed by using the thumbwheel and confirm key to dial in the desired settings.

Hitch, external remote control switch

3-point hitch switch on fender of 9R

For added operator convenience, a 3-point hitch remote control switch is located on top of the left rear fender for 9R, 9RT, and 9RX Tractors. The external remote switches enable the operator to raise and lower the 3-point hitch from behind the tractor while hooking to implements.

CommandView III cab

The standard CommandView III cab offers unsurpassed visibility, operator comfort, control placement, and ride and sound quality.

Features:

• ComfortCommand™ seat with air suspension, lumbar support, swivel, fore-aft and lateral attenuation, backrest angle adjustment, adjustable left-hand armrest, and 40-degree right-hand seat swivel
• Operator presence system that warns if the operator is out of the seat while operating key functions
• Folding instructional seat
• CommandARM™ with integrated controls
• 4100 or 4600 Generation 4 CommandCenter™
• Behind-the-seat storage
• Left-hand storage compartment
• Passive noise reduction system
• Service ADVISOR™ data port
• Tilt/telescoping steering wheel with position memory
• Swing-out rear window, opens 30 degrees
• Right- and left-outside mirrors (manually adjustable mirror head)
• Monitor mounts on right-hand front post and rear cab post
• Standard radio package, including AM/FM stereo and weatherband with remote controls, auxiliary input jack, four speakers, and an external antenna
• Laminated glass
• Air conditioner and heater with automatic temperature controls (ATC)
• Three 12-V convenience outlet (cigarette lighter style)
• Two 12-V 3-pin outlet with adapter (provides switched and unswitched power)
• One International Organization for Standardization (ISO) 9-pin connector
• Power strip with convenience plug adapter
• Hitch control lever lock and selective control lever lock
• Two-speed and intermittent front and rear wiper with washer
• Front pull-down sunshade
• 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 speed
  • Vehicle system functions, such as iTEC™, that are operating
• Inside-mounted rearview mirror
• Beverage holders sized to accommodate various containers
• Interior lighting, including left-hand dome light, right-hand adjustable map light, and right-hand courtesy light
  

ComfortCommand seat

ComfortCommand seat

ComfortCommand seat improves ride quality and helps to reduce operator fatigue

Features include:

• Armrests, lumbar support, and backrest angle are easily adjusted to match operator preference.
• Shock absorbers dampen the motion effect of the tractor for an improved ride.
• Seat height adjustments are conveniently located on the left armrest.
• Fore-aft adjustment is easy to reach located on the left front of the seat.
• Swivel adjustment, located on the front of the seat, allows the seat to be swiveled 40 degrees to the right or eight degrees to the left of the center position.
• Operator presence switch warns if the operator is out of the seat while operating key functions.
• Seat belt retractor.
• Centered cab seat, providing excellent over-shoulder visibility.
• Adjustable shock absorber permitting ride adjustment from soft to firm to match the operator's desired comfort level.
• Removable cushions for easy cleaning.

Hydraulic controls

Hydraulic controls utilize fingertip paddle pods for raise/lower and extend/retract functions.

Fingertip paddle pots

Throttle

The throttle design incorporates buttons which control FieldCruise speed, and transmission eco settings. 

CommandCenter

Generation 4 CommandCenter

The Generation 4 CommandCenters feature fast adjustment of tractor functions and controls and are integrated into the CommandARM to create a seamless control center.

The following functions can be adjusted and accessed using the CommandCenter display:

• Hydraulic settings
• Hitch settings
• Transmission settings
• FieldCruise
• iTEC programming functions
• Radio
• Lights
• Add all functionality – diagnostics, display settings, etc.

The Generation 4 CommandCenters have the capability of Remote Display Access (RDA). RDA allows improved communication between an offsite farm manager or dealer and the equipment operator. The user can view exactly what the operator sees on the GS3 2630 Display and Generation 4 CommandCenter from almost any Internet-connected device. RDA is available on the 4600 and 4100 CommandCenter RDA allows for an increase in productivity with quicker problem resolution. By using RDA, the cost of operation will decrease due to reduced labor and travel costs, and maximum efficiency will increase profit.

CommandARM

CommandARM controls

John Deere 9R/9RT Series Tractors feature the CommandARM with integrated Generation 4 CommandCenter display. The control layout of the CommandARM utilizes a clean and efficient design which groups controls by function and builds upon John Deere’s history of intuitive and ergonomic control placement and operation. The CommandARM’s design allows for a 40 degree right seat swivel and adjustable positioning matching the operator’s preference.

Controls located on the CommandARM include:

• Engine throttle
• Transmission control for e18™ speed PowerShift transmission (PST)
• Eco mode for e18 speed PowerShift transmission (PST)
• FieldCruise™
• Selective control valve (SCV) controls
• AutoLoad™ controls (if equipped)
• Differential lock on/off and automatic
• iTEC™ sequence switches
• AutoTrac™-assisted steering system resume switch (if equipped)
• Radio
• Beacon light on/off
• Hazard lights on/off
• Field lights 1/2
• Heating, ventilation, air-conditioning (HVAC) system

Throttle

Tractor function controls

Located just to the right of the throttle is the Auto-Trac-activation button and four sequence controls for iTEC functions. Behind the iTEC sequence controls there are buttons which control the activation and deactivation of differential lock. Differential lock can also be activated by the foot switch on the cab floor.

AutoTrac resume and iTEC strip

Controls for radio, lights, rotary beacon (if equipped), hazard flashers, and HVAC system are located to the center-right on the CommandARM, along with power take-off (PTO) for rear PTO. 

Radio, HVAC, hazard flashers, and PTO controls

Seat swivel

The design of the CommandARM allows for up to 40 degrees of right-hand seat swivel.

Seat swivel

PowerTech PSS 9.0L engine

The John Deere exhaust filter is integrated into the engine design and
electronics to provide a seamless operator experience. The engine
control unit (ECU) and exhaust temperature management (ETM)
system work together to continuously regenerate the exhaust filter
using a natural cleaning process sometimes referred to as passive
regeneration. If natural filter cleaning cannot be achieved based
on temperature, load, and speed, then particulate matter (PM) must be removed using
an automatic cleaning process sometimes referred to as active
regeneration. In most cases, filter cleaning does not impact machine
operation or require operator involvement. Higher pressures created
by our Final Tier 4 (FT4)/Stage IV high-pressure fuel system extend intervals
between automatic cleanings.

How EGR works

EGR reduces the high temperatures where nitrogen oxide (NOx) compounds are formed in the engine cylinders by replacing excess oxygen with a prescribed amount of cooled exhaust gas.

Exhaust gases contain more carbon dioxide than oxygen. The EGR valve, in conjunction with the venturi and ECU, allows a controlled amount of exhaust gas to enter the intake manifold to mix with the incoming fresh air. Replacing excess oxygen with cooled exhaust gas leads to lower combustion temperatures, creating less NOx. In addition, EGR allows for advanced timing, leading to optimal performance of the engine, maximizing fuel economy.

The following diagrams illustrate how air flows through the engine.

For added performance and efficiency, the engine passes the exhaust gases through an EGR cooler before it enters the engine.

Flow of exhaust during engine operation

Exhaust airflow enters into the EGR cooler from the exhaust manifold near the turbocharger.

Based on engine load, air temperatures, and rpm, the ECU opens or closes the EGR valve, allowing a measured percentage of exhaust gas to enter the intake manifold.

The gases mix with the rest of the incoming air from the turbocharger and aftercooler before entering the cylinders.

The following diagrams illustrate how air flows through the engine (PSS).

For added performance and efficiency, the engine passes the exhaust gases through an EGR cooler before it enters the engine.

PSS EGR

PSS 9.0L and 13.5L FT4 technology

PowerTech PSS Final Tier 4 technology

Dual hydraulic pump system

Selective control valve (SCV) stack

Optional high-flow hydraulics are available on 9 Family Tractors by ordering code 3270. The high-flow hydraulic system provides an additional 215 L/ min (57 gpm) of flow for a total of 435 L/ min (115 gpm). This system is ideal for hydraulic fan motor demands. This system is recommended for agricultural implements with continuous flow requirements. When maximum hydraulic pump capacity is reached, multiple functions will continue to operate at the same proportional flow rate.

The 9 Family Ag High-Flow Tractors have two parallel hydraulic systems. The benefit of this system is that functions can be split between the two systems. Functions that require high flow and low pressure can be combined on one system (for example, air seeder fans, and planter motors). Functions that require high pressure and low-flow can be connected to the remaining system (for example, implement lift, fold, and constant down-pressure systems).

Following these guidelines allows the hydraulic system to run cooler as it prevents both hydraulic pumps from running at high pressure. In general, pumps forced to run at both high pressure and high flows generate much more heat than a pump running at a lower flow or lower pressure.

The system operates with two hydraulic pumps:

• Pump 1 - provides hydraulic flow of up to 215 L/min (58 gpm) to SCVs 1, 2, and 3. These SCVs are useful for operating lift/lower and other cylinder type hydraulic needs.
• Pump 2 - attaches in front of pump 1 and provides hydraulic flow of up to 215 L/min (57 gpm) to SCVs 4, 5, and 6. These SCVs are useful for operating hydraulic motors to drive air/fan or vacuum systems on seeding/planting equipment.
• All SCV oil returns to one common hydraulic reservoir.

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