R4044 Sprayer

  • 1,200 gallon (4,500L) tank
  • Boom widths up to 132 feet
  • 9-percent lighter weight than R4045 Sprayer
  • Carbon fiber boom option
  • 4 Series Sprayer operator station4 Series Sprayer operator station

    When operators first enter the Command View III cab, they will notice that significant changes have been made. Key sprayer controls are more easily accessible to the operator on the redesigned CommandARM™ control panel and the multifunction handle has a more ergonomic fit and feel.

    The multifunction handle has six reconfigurable buttons, a scroll to select speed range, and allows operators to better manage their headlands with the Headland Management System (HMS™) button. To finish out the upgrades, the GreenStar™ display has been upgraded to a faster, more user-friendly 4600 CommandCenter™ display, which allows operators to efficiently capture, manage, and transfer data.

    Comfort continues to be enhanced by the ComfortCommand™ seat, which offers both fore-aft and lateral attenuation along with 15 degrees of right-hand seat swivel on all cab options. For first-class comfort, the premium cab offers a heated/ventilated leather seat and light-emitting diode (LED) cab lights.

    The 4 Series Sprayers are JDLink™ telematics system capable, which enable features such as John Deere Wireless Data Transfer (WDT), Service ADVISOR™ Remote diagnostics, and Remote Display Access (RDA). These integrated solutions enable additional uptime and reduce cost of operation. All of the CommandView III cab features allow operators to run longer hours, increasing the ability to get more acres sprayed in a day.

  • Make fewer passes through the field and reduce compaction, as well as time spent spraying, with John Deere booms.


    All John Deere booms are more stable due to the swing link suspension, which helps translate rough areas in the field into horizontal (side-to-side) movement of the boom rather than lateral (up and down) movement. This additional stability means increased productivity as the boom now has the ability to more accurately maintain spray height above the crop, delivering a precise spray pattern. The swing link suspension also translates into uptime as the additional stability means less crop damage, resulting in less mechanical boom damage.


    The enhanced design allows the boom to unfold and fold faster, getting the operators into the field quicker, and the flat fold design delivers superior transport visibility.

  • Solution Command offer push button loadingSolution Command offer push button loading
    12-button keypad and micro-display12-button keypad and micro-display

    4 Series Sprayers are available with the SCS and have been completely redesigned to allow quick and easy operation at the load station for all operator skill levels. The optional system allows complete automation at the load station with a 12-button keypad. The features include the following:

    • Fill station light on/off
    • Pump on/off
    • Agitation
    • Pump speed increase
    • Pump speed decrease
    • Eductor on/off
    • Master on/off
    • Automated rinse cycle
    • Visual nozzle check
    • Pull-on fill
    • Push-on fill
    • Target fill

    The system also features a micro-display, providing real-time feedback on the system operations, as well as ability to select a rinse method and the ability to monitor progress during the automated rinse function. Overall, the enhanced Solution Command System increases operational performance by increasing ease of use through automation at the load station.

  • Turn compensation modeTurn compensation mode
    Individual nozzle control modeIndividual nozzle control mode

    John Deere’s intelligent nozzle control system ExactApply helps producers better manage drift and deliver a precise application. By maintaining target rate and pressure over a wider speed range, ExactApply can improve productivity up to 20 acres per hour*.


    *NOTE: Assumes a 3.2-km/h (2-mph) average operating speed increase.


    ExactApply is offered as a factory-installed option as well as a performance upgrade kit that can be added to existing 4 Series Sprayer models. 


    How it works

    The ExactApply system features multiple modes of operation including pulse-width modulation (PWM) and individual nozzle control:

    • 15-Hz PWM pulses one solenoid to achieve a consistent droplet size and maintain spray pressure throughout a wider range of speeds and application rates.
    • 30-Hz PWM (combined mode) pulses both solenoids in the ExactApply nozzle body at 15 Hz, providing superior coverage. Combined mode allows ExactApply to have a 25 percent increased flow over current competitive systems in the market.
    • AutoSelect A/B automatically switches between two nozzles to maintain the desired spray pressure range while spraying conventionally.
    • Turn compensation varies the rate across the boom, ensuring the desired application rate. The rate decreases on the inside of the turn to not subject crop to chemical burn, while the rate on the outside of boom increases, ensuring the crop receives the desired application rate.
    • Individual nozzle control minimizes overlap by controlling product application through individual nozzles. This reduces chemical cost and ensures the product is placed where it is needed most. In comparison, traditional nozzle control functions in 11 sections, meaning section widths vary from 2.4 to 3.35 m (8 to 11 ft), depending upon boom width.






  • Connect Mobile actual rate map and pressure map in split screen gives the operator deeper understanding of machine performanceConnect Mobile actual rate map and pressure map in split screen gives the operator deeper understanding of machine performance
    Connect Mobile overview

    John Deere Connect Mobile is a solution that utilizes an Apple® iPad® tablet in the cab that provides the operator a better understanding of the sprayer’s performance. Connect Mobile documents and displays several sprayer performance attributes, helping the operator monitor and more easily detect problems that can occur while spraying. Connect Mobile also has a common user interface that makes it easy to use between different pieces of John Deere equipment. Once the job is done, the iPad with the spraying data can be utilized to perform basic crop scouting activities in the field.

    Spraying attributes

    Monitor key performance indicators in map layers and dashboard tiles such as:

    • Actual rate
    • Rate deviation
    • Pressure
    • Ground speed
    • Droplet size
    • Target rate
    • Flow rate
    • Tank volume
    • Productivity
    • Fuel rate
    In base equipment

    Connect Mobile hardware is factory installed on all model year 2017 and newer R4030, R4038, R4044, R4045, and R4060 Sprayers, making it easy to get started with Connect Mobile.


    Learn more about Connect Mobile in the Field and Crop Solutions section within the Precision Ag Technology product line and how it can improve the quality of a spraying job.


    iPad and Apple are trademarks of Apple Inc.

  • Keep your machines working for you by converting them to dry nutrient applicators with the addition of a New Leader® DN456 Dry Spinner Spreader. This conversion can be completed in as little as 4 hours and involves the removal of the wet solution skid and the installation of the dry spinner spreader.


    The DN456 features a carrying capacity of up 5.6 m3 (200 cu ft) or 6.6 tons of dry fertilizer (not approved for ag lime) and is capable of variable rate applications from 34 kg/ha (75 lb/acre) up to 3 ton/acre. The 1.83-m (72-in.) spinner heights allow spread width up to 32 m (105 ft) as it propels material across the pass. The New Leader G4 spinner technology provides a consistent spread pattern across the field for uniform pass to pass application.


    The DN456 can be ordered with either 304 stainless-steel or 409 painted spreader material in single or dual product bin configurations with a #4 belt over chain conveyor.


    New Leader is a registered trademark of Highway Equipment Company.

  • Engine
    Peak rated power
    243 kW
    325 hp

    Solution system - Capacity
    4542.5 L
    1200 gal.

    Rinse tank capacity
    646 L
    170 gal.

    Boom length options/Material
    27.4, 30.5, 36.6, or 40.2 m
    90, 100, 120, or 132 ft
    Boom Material: Steel or carbon fiber

    Spray speed range
    0 to 40.2 km/h
    0 to 25 mph

    Transport speed, maximum
    56.3 km/h
    35 mph

    Dual-strut independent wheel air-ride suspension

    Crop clearance with standard tires
    152.4 cm
    60 in.

    Total weight with widest boom
    14,424.2 kg
    31,800 lb

  • Make

    Peak rated power
    243 kW
    325 hp

    Final Tier 4 (FT4)

    Number of cylinders

    9 L
    549 cu in.

    200 amp

    Fuel tank capacity
    586.7 L
    155 gal.

    Diesel exhaust fluid (DEF) tank capacity
    29.5 L
    7.8 gal.

    AutoTrac speed, maximum

    Power bulge


  • Capacity
    3785.4 L
    1200 gal.

    Tank material
    Stainless steel

    Rinse tank capacity
    646 L
    170 gal.

    Quick fill size
    7.6 cm
    3 in.

    Rate control make

    Automatic section control
    John Deere Section Control (optional)


    Solution system control
    Automatic (optional) or manual

    Fill location
    Side fill, front fill (optional)

    Chemical injection method

    Chemical eductor
    Stainless steel

    Chemical eductor capacity (size)
    32 L
    8.5 gal.

    Flow meter size
    5.1 cm
    2 in.

    Suction strainer
    20 mesh

    Pressure strainer
    50 mesh

    Boom strainer
    80 mesh

    Fill pump flow

    Solution pump flow

  • Boom length options
    27.4, 30.5, 36.6, or 40.2 m
    90, 100, 120, or 132 ft

    Plumbing material
    Stainless steel (polyethylene optional)

    Boom Material
    Steel or carbon fiber

    Ground height adjustment
    50 to 245 cm
    19.6 to 96.5 in.

    Breakaway width
    Stainless-steel boom - 3.3 m
    10.8 ft
    Carbon fiber boom - 3.7 m
    12.1 ft

    Boom sections
    13 sections with boom length - 40.2 m
    132 ft
    11 sections with boom length - 36.6 m
    120 ft
    9 sections with boom length - 30.5 m
    100 ft
    7 sections with boom length - 27.4 m
    90 ft

    ExactApply™ Nozzle Spacings
    38.1 or 50.8 cm
    15 or 20 in.

    Automatic boom height

  • Type

    Full-time four-wheel drive (4WD)


    Hydraulic reservoir capacity
    98.4 L
    26 gal.

    Spray speed range
    0 to 40.2 km/h
    0 to 25 mph

    Transport speed, maximum
    56.3 km/h
    35 mph

  • Dry compatible
    Yes - 5.7 m3
    200 cu ft

    Dual-strut independent wheel air-ride suspension

    Crop clearance with standard tires
    152.4 cm
    60 in.

    Front tires
    320/90 R46, 380/90 R46, or 420/80 R46

    Rear tires
    320/90 R46, 380/90 R46, or 420/80 R46

    Flotation tires
    520/85R38 or 620/70R38 (field installed only)

    Hydraulic tread adjust

    Wheel tread spacing
    305 to 406.4 cm
    120 to 160 in.

    Wheel base
    430 cm
    169.3 in.

    Turning radius
    8.7 m
    28.5 ft

    Parking brake
    Spring-engaged, hydraulic-disengaged wet disk pack

    Primary brakes

    Ladder raise/lower

    Total weight with 80-ft boom

    Total weight with 90-ft boom
    14,213.3 kg
    31,335 lb

    Total weight with 100-ft boom
    14,260 kg
    31,438 lb

    Total weight with 120-ft boom
    14,424.2 kg
    31,800 lb

    Total weight with carbon fiber boom
    36.6-m (120-ft) boom - 13,877.2 kg
    30,594 lb
    40.2-m (132-ft) boom - 13,915.3 kg
    30,678 lb


  • Air compressor
    Onboard air (standard)

    Foam marker capacity
    Air injection foamer - 5.7 L
    1.5 gal.

    Remote service tools

    Pressure washer

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