2026 John Deere Ag 4052M HD 

2026 John Deere AG 4052M HD

• Factory-installed 440R Quick Park™ Loader Mounting System included
• Turbocharged diesel engine
• eHydrostatic Transmission
• Assembled in Georgia
• Standard mid and rear hydraulics
• Category 1 and 2, Three-point hitch

Features May Include: 

Increased versatility with Category 1 and 2 implement compatibility

• The rear hitch on 4M Heavy-Duty Tractors provides producers with implement versatility to perform in a variety of applications. Attaching implements is convenient with telescoping draft links and Category 1 and 2 hitch balls in base equipment. The mechanical hitch control also features a depth stop and a rate of drop adjustment. This feature provides consistency when lowering the hitch. Each time the position control lever is pushed forward, it stops where the depth stop has been positioned. This is valuable to anyone who desires consistent, level ground.
• The 3-point hitch has plenty of lift capacity to handle heavy implements.

The 3-point hitch control on the 4M Heavy-Duty Series Tractors is called position control.

• Operates precisely with no jerking or leak down

• 3-point hitch lever features easy-to-read increments for accurate positioning and an easy-to-adjust depth stop control 

• The S-hook is provided to secure the center-link when hitch is not used

Telescoping draft links (extendable draft links)

Telescoping draft links will reduce the amount of effort to attach 3-point hitch implements by allowing the operator to make small adjustments without moving the tractor. It is standard on 4M Heavy-Duty Tractors.

Horizontal sway bar stabilizers regulate side-to-side sway of 3-point-hitch-mounted equipment.

• 4M Heavy-Duty Tractors come equipped with the horizontal stabilizer bars, the lock pin goes into the stabilizer bar vertically
• Mounted on outside of lower links for fast, easy equipment hookup
• Top-pull pin design allows easy adjustment without use of tools
• Retainer cable holds pin while pin is removed to adjust stabilizers

Rockshaft position control lever allows operator to accurately set implement depth or height.

• Operates precisely with no jerking or leak down
• Control lever features easy-to-read increments for accurate positioning

Easy-to-adjust depth stop enables the operator to lower implement to a predetermined depth.

Excellent visibility provided by standard lighting equipment

Standard equipment lighting includes:

• Wraparound-style wide-angle halogen headlights for better lighting and visibility
  • Premium integrated automotive-style headlight bezels
• Two amber flashing warning lights
• Two fender-mounted forward and rear working lights
• All lighting and markings comply with ASAE S279

Maximize productivity with an eHydro™ transmission

The tractor is available with a three-range electronic hydrostatic (eHydro) transmission.

• Fluid under pressure transmits engine power to the drive wheels using a pump and motor
• Functions both as a clutch and transmission
• Provides high torque for startup
• Reduces powertrain shock loads

Danfoss® supplies both the pump and motor. This ensures that the components are matched to each other, providing maximum efficiency.

• The electronic hydrostatic transmission is ideally suited for jobs where productivity is a must, such as loader or mower applications.

Twin Touch™ foot controls allow the operator to select both directions of travel and speed with a touch of the toe.

Key features of the eHydro transmission:

• Infinitely variable ground speeds, in each range, allow the operator to match the speed of the tractor to the job.
• No clutching means fast and easy direction changes.
• Twin Touch foot pedals provide quick and easy forward/reverse operation.
• Cruise control is standard equipment:
  • Cruise control switch is located on the right-hand console for easy access.
  • Cruise control is electronically engaged and disengaged, which allows for precise setting of speed.

Danfoss eHydro transmission is used for reliable operation. Durability features include:

• Large forged trunnion shaft with larger support bearings that reduce vibration and noise

• Center section made from ductile iron (much stronger than grey iron used in many competitive transmissions)

• Transmission oil cooler cools transmission oil for longer transmission life

Safety features of the eHydro transmission include:

• The tractor will start with one or both foot pedals depressed, but it will not move until both pedals first return to neutral.

• Operator presence system means the tractor will come to a stop if the operator leaves the seat but will not shut off unless the power take-off (PTO) is also ru

John Deere's Twin Touch foot controls offer key advantages over competitive hydro model tractors.

• Some competitive hydrostatic tractors use a treadle pedal designed (toe-heel) foot control for operation of the hydro.
  • Requires the operator to use both toe and heel to change direction, resulting in increased operator fatigue

Integrated eHydro features

The eHydro convenience controls have been integrated into a single module. Combining features such as SpeedMatch™ LoadMatch™, MotionMatch, eThrottle, and automotive-style cruise control pulls the maximum efficiency out of the eHydro transmission tractors. All these features are standard on the 4M Heavy Duty and 4R models and deliver customers an easier and more comfortable experience.

An automotive-style cruise control is standard equipment on the 4M Heavy-Duty and 4R Series Tractors. Cruise control is electronically engaged and disengaged and is located on the right-hand operator console.

• Maintains desired forward speed without pressure on the foot pedal
• When activated, the operator is able to set cruise speed:
  • Use the SET/- button to set cruise speed, or to decrease cruise/maximum speed
  • Use the RES/+ button to set cruise speed, or to increase cruise/maximum speed
• A speed sensor also allows the tractor to maintain preset speed driving up and down hills
• To disengage the cruise control, either:
  • Apply pressure to the brakes
  • Disengage cruise control button
  • Briefly depress the reverse travel pedal

LoadMatch is a standard feature on the 4M Heavy-Duty and 4R Series Tractors.

• If torque requirements increase significantly, the transmission will reduce the tractor's drive speed to compensate for the increased load on the transmission, maximizing torque to drive wheels and minimizing stalls.
• Controls automatically adjust LoadMatch compensation depending on the tractor’s application. PTO applications require less engine speed fluctuation, therefore adjusting the amount of droop depending on PTO speed. This adjustment increases efficiency and optimizes engine speed and torque output based on tractor application.

While typically left on, LoadMatch can be turned off with the right-hand console controls.

MotionMatch

• MotionMatch, standard on the 4M Heavy-Duty and 4R Series Tractors, is located on the right-hand console. It offers seven settings for adjusting the rollout or decelerating when the pedal is released.
• SpeedMatch, standard on the 4M Heavy-Duty and 4R Series Tractors, further enhances the eHydro cruise control functions by allowing the operator to preset maximum speed. Once this feature is engaged, the operator must stroke the travel pedal fully to meet the operator’s preset speed and press the Set button to lock the speed. From there, the operator can use the automotive-style cruise controls to adjust speed. This function will improve accuracy and safety, particularly at lower travel speed applications.
• Rotary tilling or spraying applications are examples of where SpeedMatch can be applied. SpeedMatch will work in both the forward and reverse set speeds.

NOTE: Automotive-style cruise control and SpeedMatch can be used in conjunction with LoadMatch to maximize productivity.

Danfoss is a trademark of Danfoss A/S Corporation.

Increase productivity with integrated mid-mount loader selective control valve (SCV) and mechanical rear SCV

The tractor is base equipped with a dual mid SCV.

• Two sets of right-hand side-mounted couplers allow operating four hydraulic functions (such as raising/lowering boom and curling/dumping bucket).
• Large 12.7-mm (0.5-in.) diameter couplers are used for maximum oil flow to implements.
• Hydraulic valves have excellent featherability for smooth operation of equipment.
• Couplers are color coded for correct hookup.
• Hydraulic regenerative (REGEN) active, in dump position, out of neutral:
  • Provides faster dump cycle
  • Prevents cylinder voiding

Single rear SCV

The tractor is also base equipped with a mechanical rear SCV with float function

• One set of rear mounted couplers allow operating rear mounted hydraulic implements.
• Large 12.7-mm (0.5-in.) diameter couplers are used for maximum oil flow to implements.
• Hydraulic valves have excellent featherability for smooth operation of equipment.

Optional on the 4M Heavy-Duty Tractors is the factory-installed mid third-function SCV. This SCV adds versatility to tractor loader packages and enables the use of attachments such as a four-in-one bucket or root grapple.

The third function is controlled by a switch comfortably located on the loader joystick.

• Single control lever (A) makes operation of loader or other implements fast and simple.
• SCV safety lock lever (B) allows the operator to control the type of SCV lever movement needed for a particular operation or situation.
• The SCV safety lock lever allows loader hydraulics to be locked out so the boom and bucket will not drop if SCV lever is accidentally bumped.
• The SCV safety lock lever allows loader hydraulics to be locked out so the bucket will not dump if SCV lever is accidentally bumped.

NOTE: REGEN hydraulics should never be hooked to a motor or to a 2-cylinder angling operation such as a snowblade.

Powerful Yanmar® diesel engine delivers plenty of power under heavy loads

• The Yanmar diesel engine has a high-torque reserve that provides plenty of power under heavy load.
• This 4-cylinder engine features lower levels of exhaust emissions and reduced noise levels. It meets Environmental Protection Agency (EPA) Final Tier 4 (FT4) emission standards.
• The engine uses the latest technology to optimize fuel economy, improve control and accuracy, and reduce environmental impact.
• The common rail system (CRS) optimizes fuel economy and reduces operating costs compared to engines not using CRS technology. High-pressure injection atomizes fuel into finer particles which burn more completely. It results in improved fuel economy and lower cost of operation.
• The electronic control unit (ECU) provides optimum fuel control and accuracy. ECU monitors and controls the engine. It continuously monitors engine conditions and adjusts the fuel delivery accordingly to ensure optimum performance and emissions.
• The engine comes with an aftertreatment system. The system operates automatically. The exhaust filter consists of a diesel particulate filter (DPF) which captures particulate matter (PM) contained in the exhaust gas. Using a natural cleaning process, most of the PM trapped in the exhaust filter is eliminated by the heat of the exhaust stream generated by normal use. In situations of low temperature, engine speed or load factor, an active cleaning cycle is initiated. In this cleaning cycle, the exhaust gas temperature is raised by injecting additional fuel during the exhaust stroke of normal vehicle operation to the diesel   oxidation catalyst (DOC). After many hours of use, the exhaust filter may require an ash removal service.

DPF cleaning

Depending on the load that the tractor is under, as well as ambient temperature, humidity, and engine speed, the DPF may build up with particulate matter, thus requiring cleaning. Filter cleaning is determined by one of three conditions:

• A prescribed time-based estimation of needed filter cleaning

• DOC/DPF pressure sensors

• A particulate matter buildup estimation based on load conditions

Once one of the three conditions have been met, filter cleaning will occur.

There are three different types of filter cleaning processes:

• Passive filter cleaning
• Active filter cleaning
• Parked filter cleaning

Passive filter cleaning

• Passive filter cleaning occurs naturally when the engine is generating enough heat to oxidize particulate matter. This automatic process occurs continuously during normal operating conditions. No tractor icons or symbols appear on the display during passive filter cleaning.

NOTE: Passive filter cleaning requires no operator involvement, and there is no interruption to tractor operation.

Active filter cleaning

• If conditions (temperature, load, or speed) for passive filter cleaning cannot be achieved, then PM is removed using active filter cleaner. To achieve the required conditions, exhaust temperature management (ETM) manages the initiation and duration of active filter cleaning. ETM can adjust numerous engine parameters and/or inject a small quantity of fuel into the exhaust stream for a short duration. The fuel turns to vapor and chemically reacts with the catalysts in the DOC to create heat to oxidize PM.
• It is important to note that at no time is the fuel in the DOC/DPF ignited, and there is no flame within the DOC/DPF.
• Like passive filter cleaning, active filter cleaning requires no operator involvement, and there is no interruption to tractor operation.

Parked filter cleaning

• In some instances where passive and active filter cleaning have not fully cleaned the PM from the system, a parked filter cleaning may need to take place. Most likely, the only time a parked filter cleaning will need to occur is when automatic filter cleaning has been disabled for an extended period of time and multiple warnings to engage filter cleaning were ignored or if the tractor has been used during light load conditions. Additionally, when the automatic filter cleaning process has been deliberately interrupted multiple times, or if active filter cleaning has failed numerous times due to a failed component, a parked filter cleaning may be requested. In these rare instances the operator will have to park the tractor and start the filter cleaning process.
• The parked filter cleaning process needs to be activated based on usage and operation of the tractor. The process will take approximately 30 minutes. See operator’s manual for more details.
• This system constantly monitors the soot level of the tractor, making sure the tractor is always in peak performance condition. This ensures high performance at all times.

NOTE: Number of hours since last regeneration and soot level percentage viewable on LCD display.

Key features of the engine are:

• 540-rpm power take-off (PTO) operation at 2600 engine rated speed means better fuel economy, less noise and vibration, and longer overall engine life
• Cast-in-block cylinder design for good cooling and long life
• Hydraulic lifters are quieter and require no adjustment
• Heavy-duty crankshaft provides more bearing surface area for added durability
• CRS optimizes fuel economy, lowering the cost of operation
• ECU provides optimum control and accuracy
• Direct fuel injection
  • Improves starting
  • Injects fuel directly on top of pistons for more efficient combustion
  • Develops more horsepower per gallon of fuel
  • Glow plugs (cold starting aid)
• Engine oil cooler, cools engine oil for longer engine life
• Key start and shutoff eliminates fuel shutoff knob
  • Electric solenoid shuts fuel supply off immediately when key is turned off
• See-through coolant recovery tank permits operator to check coolant level without removing radiator cap
  • Sealed radiator compartment keeps trash and debris on outside of hood

• Dry-type air cleaner with safety element and electronic air service indicator
  • Electronic air restriction indicator alerts operator when air filter servicing is required
  • Dual-element design for added engine protection
  • Easy to service
• Standard side exhaust
• Discharges fumes away from the operator, reducing engine noise
• Improves operator visibility when using a loader or front implement
• Optional vertical exhaust

Yanmar is a trademark of Yanmar Company Limited.

Improved traction in muddy conditions with larger tires

Rain or shine, your work needs to get done. The 4M Heavy-Duty Tractor comes with larger, tougher tires to help keep you moving no matter what the weather brings. 

• Offers two rear tire size options:
  • 16.9-24 (8PR, R4 Industrial, two-position)
  • 19.5L-24 (10PR, R4 Industrial, two-position)
• Allows for better traction in wet and muddy conditions
• Has a higher ply rating, which allows for better control and comfort when carrying heavy loads

Know more about your tractor with Equipment Mobile and a John Deere Smart Connector

Overview

• Setup, operate, and maintain your tractor with Equipment Mobile and a John Deere Smart Connector.
• To download the free Equipment Mobile app, visit the Apple® App Store® or Google Play™ store.
• You can now view information about your tractor with a Smart Connector in Equipment Mobile. Take advantage of familiar TractorPlus features in Equipment Mobile such as the Live Dashboard and Diagnostic Trouble Code alerts. Equipment Mobile offers additional tools to help you manage not just your tractor, but your entire fleet in one place.

Benefits

Equipment Mobile:

• Quickly scan the PIN to access maintenance, parts, and manual information
• Conveniently access and share Diagnostic Trouble Codes for troubleshooting
• Receive maintenance reminders and parts recommendations to minimize downtime
• Access equipment that is already loaded into your Operations Center account by logging into Equipment Mobile with your John Deere account login
• Create daily checklists to increase efficiency

Additional details

• Please note that Smart Connectors offer local connectivity via Bluetooth, while JDLink modems enable remote connectivity and provide valuable data including location, machine performance metrics, health data, access to John Deere Connected Support services, and more.
• Users can still benefit from Equipment Mobile if they do not have a Smart Connector.
• Installing the Smart Connector will offer additional capabilities to help monitor equipment by sending information from the tractor to the user’s mobile device using Bluetooth® wireless capability. The following table outlines the differences between using Equipment Mobile with and without a Smart Connector.
• To pair the John Deere Smart Connector with a phone and tractor, you must first be in range with the tractor equipped with the John Deere Smart Connector. Once the Smart Connector is plugged in and the tractor is keyed on, the Smart Connector will be available to pair within Equipment Mobile. The flow of pairing a Smart Connector in Equipment Mobile is shown below.
• Apple and App Store are trademarks of Apple Inc. Google Play, and YouTube are trademarks of Google LLC. Bluetooth is a trademark of Bluetooth SIG, Inc.