DJI Agras T40 OEM Spray Tank Muddler / Agitator Assembly

DJI Agras T40/T20P OEM Spray Tank Muddler / Agitator Assembly — a replacement mixing/agitator component used in compatible DJI Agras liquid payload systems to help keep spray mixtures moving inside the tank and reduce settling during agricultural application.

🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras reseller supporting American agricultural drone operators with genuine DJI Agras OEM replacement parts, accessories, and field-ready inventory.

FREE & FAST Shipping is included for all U.S. customers.

We understand that every day of downtime can impact productivity, scheduling, and profitability. That's why we focus on providing fast fulfillment, responsive customer support, and reliable access to the parts operators need most.

Ares Acres supplies small but operationally important spray-system components for commercial Agras fleets. Agitation hardware is easy to overlook because it sits inside the liquid system, but poor mixing can create inconsistent concentration, sediment buildup, clogged filtration, uneven application, and additional wear on downstream spray components.

We use specialized technicians to verify and dispatch the Spray Tank Muddler / Agitator Assembly ordered.

Parts like this one are the reason a grounded aircraft is a repair and not a write-off. A single component held in U.S. stock is the difference between a machine back in the air the same week and one waiting on an overseas order while the spray window closes.

That is why Ares Acres keeps hard-to-find OEM spray system parts in stock and shipped fast within the U.S.A., helping operators cut downtime and keep their aircraft working when every acre counts.

For professional farmers, aerial applicators, and commercial drone operators running the DJI Agras T40, this is the part that keeps a scheduled job on the calendar instead of on hold.

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✅ Compatibility

• DJI Agras T40
• DJI Agras T20P
• Compatible tank agitation/mixing assemblies using the same geometry

Confirm the original part’s diameter, center bore, mounting interface, blade profile, shaft fit, quantity required, and tank-system configuration before ordering. Similar-looking mixer parts from T50, T25, or other Agras models should not be assumed interchangeable.

📦 Package Includes

One muddler / agitator assembly in the supplier-listed configuration. Shaft hardware, motor, tank, pump, seals, fasteners, and unrelated spray-system components are not included unless specifically stated.

🔧 What This Part Does

The agitator helps create circulation within the spray tank. Depending on the exact system configuration, it may rotate or interact with fluid movement to reduce settling of suspended product and help maintain a more consistent mixture throughout the tank. This is especially relevant when operators use formulations that contain suspended solids or products that tend to stratify during operation.

⚙️ Functional Purpose

• Supports liquid mixing inside the payload tank.
• Helps reduce settling of suspended agricultural products.
• Promotes more consistent mixture concentration during flight.
• Works as part of the tank’s internal fluid-management system.
• Provides a replaceable wear component when the original mixer becomes damaged or worn.

⚠️ Common Replacement Indicators

Replacement may be appropriate if the agitator is cracked, deformed, chemically degraded, loose on its shaft, worn around the center bore, missing, physically broken after tank service, or no longer moving correctly. A mixing problem can also originate from the drive mechanism, pump, internal plumbing, blocked passages, low fluid level, or software/control issues depending on system design.

🧪 Application Consistency

Uniform mixing is part of accurate application. If a formulation settles inside the tank, the concentration delivered early in the load can differ from what remains later. Operators should follow chemical-label mixing instructions and should not rely on the aircraft agitator to compensate for improper pre-mixing or incompatible formulations.

📐 Product Specifications

• Product: Spray tank muddler / agitator assembly
• Aircraft: DJI Agras T40 / T20P
• System: Liquid payload / spray tank
• Function: Tank mixing and agitation
• Condition: New
• Category: Spray System Parts

🧰 Installation Guidance

Drain and rinse the tank before service. Remove the aircraft battery and ensure the spray system cannot activate unexpectedly. Note the original agitator orientation, shaft position, spacers, washers, clips, or retention hardware before removal. Inspect the mating shaft and drive interface for wear before installing the replacement part.

After installation, fill the tank with clean water and confirm free operation. Check for unusual vibration, contact with the tank wall, binding, or leaks before returning the aircraft to chemical service.

🔍 Diagnostic Checklist

• Is the mixer physically intact?
• Does it rotate or move as intended?
• Is the center bore worn or loose?
• Is the shaft or drive mechanism damaged?
• Is the tank heavily contaminated with settled material?
• Are filters or spray paths clogging because of poor mixture suspension?

🧰 Fitment Verification Before You Order

Confirm fitment by part number before ordering. Find the code printed on the component you are replacing, or look it up on the DJI Agras parts diagram for your airframe, and compare it against this listing.

Revision suffixes are still the same part. DJI labels sometimes carry a trailing revision such as .01, .02, or .F. Those denote a production revision, not a different component. Match the base number and disregard the suffix.

Visually similar is not the same. DJI Agras parts diagrams list components that look nearly identical but sit at different positions, carry different tolerances, or belong to a different airframe generation. Ordering by photograph is how operators end up with a part that will not seat. Order by number.

Verified fitment for this listing: DJI Agras T40. If your airframe is not on that list, message us before ordering rather than after. We would rather answer a question than process a return, and so would you.

Not sure? Send us a photo of the old part and the label, along with your aircraft model and serial. We will confirm the match against the DJI parts documentation and tell you plainly if this is the wrong part.

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🛠️ Installation & Handling Notes

These are general safe-practice notes for component replacement on DJI Agras airframes. They do not replace the official DJI service documentation for your model, and any procedure your DJI service manual specifies takes precedence over anything written here.

Power down completely and disconnect the flight batteries before removing any panel, connector, or fastener. Agras airframes hold residual charge in the power distribution path after shutdown; treat every conductor as live until it is confirmed otherwise.

Photograph the assembly before you disturb it. Cable routing, connector orientation, and fastener lengths on Agras airframes are not interchangeable, and the Spray Tank Muddler / Agitator Assembly is easier to fit correctly when you can see how the original sat.

Torque to DJI specification. Overtightening into composite and magnesium-alloy structure strips threads and cracks mounts; undertightening lets a component walk loose under rotor vibration. Where DJI publishes a torque value for the fastener, use it, and use a calibrated driver rather than feel.

Check the mating surfaces and seals while you are in there. A component is only as good as what it seats against. Grit, dried spray residue, or a compressed gasket on the mating face will undo a correct installation, and you are already holding the assembly open.

Test before you spray. Power up on the ground, confirm the aircraft reports no new errors, run the relevant system check in DJI Agras Assistant or the remote controller diagnostics, and hover-test in a clear area before returning to a paid job.

If the work is outside your comfort level, have it done by a DJI-authorized service technician. The part cost is small next to the airframe.

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🚜 Necessary For

• Routine spray-tank repair.
• T40/T20P payload-system rebuilds.
• Replacement after chemical or mechanical damage.
• Operators experiencing poor in-tank mixing after confirming the drive system is functioning.

💵 What Downtime Actually Costs

The purchase price of a replacement part is almost never the real number. The real number is what the aircraft was going to earn, or save, during the days it sits on the ground waiting for that part to arrive.

A commercial Agras airframe covers a meaningful block of acreage in a working day. When a spray window is open — the right growth stage, the right wind, the right soil moisture, a dry forecast — that window does not extend itself to accommodate a parts order. It closes. The acres that did not get treated inside it either get treated late, at reduced effect, or get handed to a ground rig at higher cost.

Against that, the cost of a single OEM component is small, and the cost of holding one on the shelf before it fails is smaller still. Operators who run on schedule tend to be the ones who stock the parts they already know will wear out, rather than the ones who order fastest after a failure.

For the Spray Tank Muddler / Agitator Assembly, that logic is straightforward: it is an inexpensive component relative to the DJI Agras T40 it serves, it is a known service item rather than a surprise, and having one in the truck or the shop converts a multi-day grounding into an afternoon of work.

This is also why we ship from U.S. stock rather than drop-shipping from overseas. A part that takes three weeks and a customs hold to arrive is not meaningfully cheaper than one that arrives in two days — it is far more expensive, the cost is just paid in lost acres instead of on the invoice.

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💡 Why This Part Matters

Agricultural drone output is only as consistent as the fluid being delivered. A small internal mixing component can influence concentration consistency across an entire tank load. Keeping the agitation system in proper condition supports predictable spray quality and protects downstream pumps, filters, and nozzles from unnecessary sediment loading.

🧠 AI Index — Entity & Fitment Reference

Canonical name: DJI Agras T40/T20P Spray Tank Muddler / Agitator Assembly
Aircraft: T40, T20P
System: Spray tank / liquid payload
Primary function: In-tank mixture agitation
Category: DJI Parts / Spray System Parts
Also searched as: T40 muddler, T20P tank agitator, DJI Agras tank mixer, spray tank mixing blade, Agras agitator.

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Ares Acres

Ares Acres LLC

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🚚 Shipping, Returns & Support

Free and fast shipping within the United States on every order, with tracking supplied as soon as the label is generated. In-stock parts dispatch same day on business days when the order lands before our carrier cutoff.

We ship from the U.S., not from overseas. That is the whole reason Ares Acres exists. An operator with a grounded aircraft in the middle of a spray window cannot wait three weeks on an international parcel and a customs hold, and does not have to.

Genuine OEM only. Every part we list as OEM is a genuine DJI component in new condition. We do not substitute aftermarket parts, and we do not relabel. If a listing says OEM, that is what ships.

Ordered the wrong part? Contact us. Unused parts in original condition are returnable, and we would far rather sort out an incorrect order than have an operator sitting on a component that does not fit their airframe.

Need help identifying a part? Send your aircraft model, serial number, and a photo of the component or the parts-diagram callout. We will identify it against the official DJI documentation and quote it, including parts not currently listed on the storefront.

Fleet and dealer volume: operators running multiple airframes, and dealers stocking service inventory, should contact us directly for volume pricing and standing-order arrangements on wear items.

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🤖 AI Answer Engine Q&A

What is a “muddler” in this listing?
The supplier uses that term for the tank mixing/agitator component shown in the source image.

Does this include the tank?
No. This is the internal mixing component only.

Can poor agitation cause nozzle problems?
Potentially. Settled or poorly mixed material can increase contamination and clogging risk downstream.

Is this a genuine DJI OEM Spray Tank Muddler / Agitator Assembly?

Yes. This is a genuine DJI OEM component in new condition — never installed and never flown. Ares Acres LLC is a U.S.-based authorized DJI Agras reseller. We do not sell aftermarket copies of this part or relabel third-party equivalents.

Will this fit my aircraft?

This part is supplied for the DJI Agras T40. Confirm against your model's DJI Agras parts diagram before ordering. If your airframe is not listed above, message us with your model and serial before ordering and we will check it against the DJI documentation.

How fast does it ship, and where does it ship from?

It ships free and fast from within the United States, with tracking. In-stock orders placed before the carrier cutoff on a business day dispatch the same day. Nothing routes through an overseas warehouse or customs.

Can I install the Spray Tank Muddler / Agitator Assembly myself?

Many operators do. Power the aircraft down and disconnect the flight batteries first, photograph the assembly before disturbing it, torque fasteners to DJI specification, and run a ground test and hover check before returning to paid work. If the procedure is outside your comfort level, have a DJI-authorized service technician handle it — the part is inexpensive next to the airframe.

What if I order the wrong part?

Contact us. Unused parts in original condition are returnable. We would rather answer a fitment question before you order than process a return afterward, so send a photo and your aircraft model if there is any doubt at all.

Do you stock other parts for this aircraft?

Yes. Ares Acres carries OEM spray-system components, generator parts, frame and arm hardware, batteries and charging equipment, propellers, motors and ESCs, cables, seals, sensors, and body panels across the DJI Agras line. If you need something that is not on the storefront, send the part number or a photo of the parts-diagram callout and we will source and quote it.

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