DJI Agras T50 OEM Pump Propeller Set

Pump Propeller Set | Water Pump Impeller Set | Pump Rotor Replacement Kit | Fluid Transfer Impeller Components | Field-Ready Original Replacement Parts

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🇺🇸 U.S.A. FIRST

Ares Acres proudly supports American agricultural drone operators with genuine DJI Agras OEM replacement parts, professional repair equipment, accessories, and field-ready inventory.

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

Inside every pump on a T50 or T25, a small propeller does the actual work — spinning in chemical, moving every gallon the spray system delivers. The pump propeller is the muscle of the fluid path: when it's sharp, the pump moves liquid like the spec sheet promises; when it's worn, output fades no matter how hard the motor spins.

Impeller wear is invisible from the outside. The pump sounds normal, draws power normally — and moves less liquid every week as chemical and sediment slowly eat the blades that do the pushing.

That is why Ares Acres keeps hard-to-find original pump components in stock and shipped fast to the U.S.A., helping operators restore full pump output, minimize downtime, and keep their aircraft spraying when every acre counts.

For professional farmers, aerial applicators, and commercial drone operators, a fresh impeller set is a pump rebuilt for a fraction of a pump replaced.

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✅ DJI Agras T50 / T25 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking

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📦 Package Includes

• 1 × New Original Pump Propeller Set
• Direct-fit pump rebuild components
• Original quality replacement parts
• Protective packaging

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🔧 Component Overview

The DJI Agras T50 / T25 Pump Propeller Set is a new original impeller set for the water pump systems of the DJI Agras T50 and T25 agricultural drones.

The set restores the rotating heart of the pump — the propeller assembly that converts motor rotation into fluid movement, driving efficient liquid transfer through the entire spray system. Built to original quality from durable materials, it installs with a simple plug-and-play design and brings a tired pump back to full output in one bench session.

Commercial agricultural drones operate in demanding environments every day, including:

• Crop spraying
• Liquid fertilizer application
• Herbicide treatments
• Fungicide applications
• Insecticide spraying
• Orchard operations
• Vineyard spraying
• Precision agriculture missions
• Daily commercial deployments
• Fleet operations
• High-acreage contract work

Throughout these operations, pump propellers are routinely exposed to:

• Continuous rotation in chemical product
• Abrasive formulation wear
• Sediment and grit erosion
• Undissolved fertilizer particles
• Cavitation stress at the blades
• Dry-run damage during priming
• Heat cycling from pump duty
• Chemical corrosion attack
• Thousands of pump start cycles
• Long commercial operating hours

Over time, this duty erodes blade edges, wears clearances, and unbalances the assembly — and a worn impeller means a pump working harder to deliver less.

The Pump Propeller Set helps maintain:

• Full-rated pump output
• Efficient fluid transfer
• Consistent spray system pressure
• Restored original pump performance
• Reduced pump motor strain
• Bench-ready rebuild capability
• Increased fleet readiness
• Maximum aircraft uptime
• Reliable commercial operation

For operators whose delivery rate is their reputation, fresh impellers keep the pumps honest.

Measure the loss before you open anything, because impeller wear is the one pump fault that has a number attached to it. Fill with clean water, command a known application rate with the aircraft on a stand, and catch everything the booms deliver over a measured period. Compare what you actually collect against what the aircraft says it is putting out. A pump that reports its commanded rate while the jug comes up short is the classic worn-impeller result, and the same test after the rebuild tells you whether the money worked.

Rule the suction side out first, since a pump starved of liquid behaves like a pump that has lost its blades. Air being drawn in ahead of the pump shows itself as difficulty priming, output that surges rather than holding steady, and a problem that gets noticeably worse as the tank level drops. A leak on the suction side does not drip, it draws air, so you find it by inspecting the tank outlet screen, the suction hose, and every joint upstream rather than by looking for something wet.

Watch pressure and flow together, because the two of them separate a blockage from a worn pump. A restriction downstream, whether that is a clogged filter, a fouled screen, or plugged nozzles, pushes pressure up while flow falls. A worn impeller does the opposite: pressure and flow fall together, because the pump has simply lost the ability to produce head. If both numbers are down at the same command, stop chasing the nozzles and start looking at the rotating assembly.

Once the pump is open, the new set is the only measuring instrument you need. Lay each old blade beside its replacement under good light. Look for leading edges that have gone from a defined edge to a rounded, feathered one, tips that are visibly thinner than the new part, gouges and scoring running with the flow from grit, and pitting like tiny craters on the blade faces, which is the fingerprint of cavitation rather than abrasion. Check the hub where it drives, too, for rounding or a loose fit.

If your aircraft carries more than one pump, let them check each other. Feed clean water and compare the delivery from the branches each pump serves, using the same timed catch on both. Two pumps that have flown identical hours and moved identical product should be close to each other. A meaningful difference between them localizes the problem to one pump immediately, and it does it without a single fastener coming out.

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⚙️ Functional Purpose

The Pump Propeller Set is designed to drive fluid movement through the water pump systems of the DJI Agras T50 and T25.

The component helps:

• Convert motor rotation into liquid flow
• Deliver full-rated pump output
• Maintain consistent system pressure
• Support efficient fluid transfer
• Restore worn pumps to original performance
• Replace eroded or damaged impellers
• Reduce strain on pump motors
• Install plug-and-play on the bench
• Maintain original fitment and quality
• Support preventative maintenance
• Reduce preventable output loss
• Increase fleet readiness
• Keep pump rebuild parts field-ready

Every gallon the spray system delivers was pushed by these blades first.

A fresh impeller set keeps the pumps moving liquid at full strength through season after season of commercial work.

A worn or eroded pump propeller may contribute to:

• Fading pump output
• Dropping spray system pressure
• Slower tank draw-down rates
• Pump motors straining and heating
• Uneven application delivery
• Output problems misread as motor failure
• Interrupted spraying missions
• Unexpected downtime
• Reduced fleet reliability

Replacing worn impellers restores the fluid movement the pump was engineered around.

Clean the system before you clean the pump. Run clean water through until it comes out clear, follow it with a tank and line cleaner suited to what you have been spraying, then rinse again and drain. You are about to open a component full of concentrate residue onto a bench and onto your hands, and a pump flushed properly is a far better part to work on than one that has to be scraped. Relieve pressure, power the aircraft down, and disconnect the flight battery before anything comes apart.

Do this on a bench, not on the aircraft. Impeller sets involve small parts that are very easy to drop into an airframe and very hard to retrieve, and the work needs a clean surface, good light, and somewhere to lay parts out in the order they came off. Photograph each stage as you go rather than trusting recall, especially the first time. Ten minutes spent setting up properly is the difference between a rebuild and a scavenger hunt.

Note the orientation of everything before it moves. Which face of the impeller looks outward, how the drive feature lines up, where each seal or O-ring sits, and which fastener came from which hole all matter, and none of it is obvious once the parts are in a tray. Reassembling an impeller reversed is the single most common way a rebuild ends with a pump that spins happily and moves almost nothing.

Get the rotating assembly off without damaging what it rides on. Support the hub rather than gripping the blades, and never pry against the housing with a screwdriver to pop it free, because the housing surfaces the impeller runs against are part of how the pump makes pressure. Do not clamp blades in pliers. If there is a magnet or a drive dog in the assembly, keep it away from swarf and grit, which it will collect and hold onto permanently.

Clean, then inspect, then decide about seals. Wash scale and dried product out of the housing with water and a soft brush, and keep abrasives and scrapers away from sealing faces and from the surfaces the impeller runs close to. Inspect every O-ring and seal you disturb for flattening, nicks, swelling, or a set that no longer springs back. The impeller set is listed as the rotating parts, so plan for the possibility that seals are due at the same time rather than discovering it with the pump half together.

Reassemble evenly and prove it turns before it gets power. Bring the fasteners up progressively and in stages rather than pulling one down first, and do not over-tighten anything threading into plastic. Turn the assembly by hand and confirm it spins freely with no rub or catch anywhere in a full rotation. Prime the pump with liquid rather than letting it run dry to draw itself up, then repeat the timed catch with clean water and compare it against the number you recorded before the rebuild.

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⚠️ Common Replacement Indicators

Replacement may be recommended when operators observe:

• Reduced pump output at full command
• Dropping or unstable spray pressure
• Visibly eroded or chipped impeller blades
• Worn blade edges and clearances
• Pump vibration or unusual noise
• Pump motors running hot
• Chemical-related material degradation
• Damage found at pump teardown
• Dry-run damage from priming issues
• Maintenance inspection findings
• Pump rebuild projects
• Fleet refurbishment projects
• Preventative pre-season replacement
• Long-term commercial wear

Common causes of impeller wear include abrasive chemical formulations sanding the blades, sediment and grit erosion, cavitation pitting the surfaces, dry-run heat damage during careless priming, and plain accumulated hours spinning in product — impellers are the true wear item inside every pump, and experienced crews rebuild with fresh propeller sets on schedule rather than replacing whole pumps that only needed their rotating heart renewed.

For commercial operators, an impeller set costs a fraction of the pump it revives — and none of the downtime a dead pump demands mid-season.

A tank that consistently lasts longer than the job plan says it should, while the aircraft reports the rate you commanded, is a delivery shortfall rather than a display error. The controller can only report what it believes is happening, and a worn impeller quietly puts out less than the system assumes. This shows up in the paperwork before it shows up in the crop, and the operators who catch it early are the ones comparing acres covered against tank volume used.

Pressure that sags as soon as more nozzles open, and recovers as soon as you shut some down, is a pump that has lost its reserve. A healthy impeller has headroom above the demand of the full boom; a worn one is working at its limit with everything open. The complaint often arrives as a pattern that looks fine on a partial test and goes weak the moment the whole boom is running.

A rattling or gravel-like noise from the pump, usually worst at the start of a pass or when the tank is low, is cavitation rather than mechanical damage. Vapor bubbles are forming and collapsing against the blades, and each collapse takes a tiny piece of material with it. New blades will pit the same way unless the cause is fixed, so treat this noise as an instruction to inspect the suction side, the strainer, and the thickness of the mix before ordering parts.

Output that dropped off sharply after one specific event, rather than fading over weeks, is damage rather than wear. A pump run dry while priming can be heat-damaged in seconds, and anything hard that gets past a failed screen can chip a blade in one pass. The distinction matters because gradual loss is a maintenance schedule question, while a sudden loss means something else on the aircraft failed first and is still failed.

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📐 Specifications

Component Type: Pump propeller set / water pump impeller kit

Compatibility:

• DJI Agras T50
• DJI Agras T25

Package Quantity: 1 Original Pump Propeller Set

Installation Area: Water pump rotating assembly

Function: Drives fluid movement and pressure through the pump system

Design: Original-specification impeller set, plug-and-play service

Construction: Durable, chemical-duty materials, new original quality

Mounting Type: Direct-fit replacement components

Application: Agricultural drone pump rebuild and maintenance

Published Dimensions: DJI does not publish blade dimensions, running clearances, or a flow curve for this impeller set. Compare each piece directly against the part it replaces before assembly, and keep the old set until the rebuilt pump has been tested.

Set Contents: Supplied as one original pump propeller set. Seals, O-rings, and housing components are not listed in the package contents, so inspect those during teardown and source them separately if they are due.

Rebuild Scope: A rotating-assembly rebuild part, not a complete pump. It restores what erosion has taken from the blades. It does not correct a failed motor, a scored housing, or a worn shaft, so inspect those before assuming the rebuild will fix the symptom.

Chemical Handling: Material grade is not published beyond chemical-duty construction, so rinse the pump promptly after aggressive tank mixes rather than assuming indefinite resistance to any formulation.

Service Classification: Wear item on a schedule. Impellers erode continuously in normal service, which makes this a planned rebuild part rather than something to order after a failure.

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🚜 Necessary For

This set is ideal for:

• DJI Agras T50 operators
• DJI Agras T25 operators
• Farmers operating spray drones
• Commercial spraying contractors
• Agricultural aviation companies
• Fleet maintenance managers
• Agricultural drone technicians
• DJI Agras service providers
• Drone repair facilities
• Commercial drone fleets
• Precision agriculture businesses
• Pump rebuild projects
• Preventative maintenance programs
• Daily commercial operations
• Emergency repair inventory
• Professional agricultural drone operators

Especially valuable during:

• Spring spraying season
• Summer application windows
• Pump service and rebuild work
• Off-season fleet overhauls
• Multi-aircraft fleet maintenance
• Seasonal rebuilds
• Emergency repairs
• High-hour commercial operations

When output rates pay the bills, keeping pump rebuild parts on the shelf keeps operations moving.

The pre-season rebuild, done before rates are calibrated rather than after. Calibrating a sprayer against a tired pump locks in whatever the pump can manage that week, and as the blades keep eroding the real rate drifts away from the calibrated one all season. Rebuilding first and calibrating second means the number you set in spring is a number the pump can still hold in August.

Recovery after a season on genuinely abrasive chemistry. Wettable powders, dry flowables, and heavy suspension products carry solids that behave like a mild sandblast every hour the pump runs, and high-load liquid fertilizers are hard on the blades in their own way. A pump that has spent a season on those products is not comparable to one that has moved mostly clear solutions, no matter how similar the hour counts look.

Cleanup after something upstream failed. A strainer that split, a screen that was left out after cleaning, or a tank that took in debris sends grit straight into the rotating assembly, and a dry priming incident heat-damages blades in a matter of seconds. In both cases the pump has taken a specific, identifiable insult rather than accumulating normal wear, and a fresh set is the direct fix once the cause upstream is corrected.

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💡 Why This Part Matters

Pump performance is spray performance — there is no application without liquid moving, and no liquid moving without impeller blades in good shape. Every abrasive gallon that passes through the pump takes a microscopic toll on those blades, and the toll compounds until output quietly falls behind the mission plan.

The trap is replacing pumps that only needed impellers. A whole pump costs real money; the propeller set that restores it costs a fraction — and swaps in on a bench in minutes. The fleets with the lowest pump bills are the ones that rebuild the rotating parts on schedule and save full replacements for genuine failures.

The Pump Propeller Set helps maintain:

• Full pump output all season
• Rated spray system pressure
• Cool, unstrained pump motors
• Cheap, fast pump revival
• Original fit and quality
• Professional fleet standards
• Increased aircraft uptime
• Reliable commercial performance
• Long-term operational confidence

Running worn impellers, operators risk:

• Output fading below mission needs
• Pressure dropping mid-pass
• Pump motors burning out compensating
• Whole pumps replaced needlessly
• Interrupted missions
• Unexpected downtime
• Lost spraying opportunities
• Reduced return on investment

For practical, hardworking operators, the value is simple:

Protect the impeller. Protect the pump. Protect the mission. Protect the season.

Professional DJI Agras operators understand that pump life is built one rebuild at a time. Keeping original propeller sets on hand means an evening bench rebuild instead of a pump replacement invoice — and that difference is what separates a good season from a frustrating one.

Once the pump is open, look at everything the impeller has been living with. Inspect the housing surfaces the assembly runs against for scoring and erosion, since a worn housing gives back some of the performance a new impeller is supposed to restore. Check the shaft and its support for play and roughness. Look at the strainer and the suction screen, which are the reason grit reached the blades at all. And check the nozzle screens and any check valves downstream, because eroded blade material had to go somewhere.

Most impeller wear traces back to something upstream that was allowed to continue. A missing or damaged suction screen lets field grit through on every tank. Running the tank right to the bottom repeatedly draws sediment and air into the pump instead of liquid. Priming by spinning the pump dry cooks blades in the time it takes to notice. Product left to settle overnight turns into an abrasive slurry that the first minute of the next job pushes straight through. Fixing those habits does more for pump life than any part does.

Handle the new set as the precision part it is. Keep it bagged until the moment it goes in so the blades do not collect grit or nicks, handle it by the hub rather than by the blades, and do not apply grease or oil to anything unless the service documentation calls for it, because lubricant in a wet pump is contamination. Set the parts down on a clean cloth rather than a bench with metal filings on it, especially if the assembly contains a magnet.

Finish the job by writing down what you measured. Record the timed catch from before the rebuild and the timed catch from after it, with the date and the hours on the aircraft. Two numbers and a date turn the next decision from a guess into a comparison: you will know what a fresh pump delivers on your equipment, how far this one drifted before it needed attention, and roughly when to plan the next set. Almost nobody does this, and it is the cheapest diagnostic tool available.

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🧠 AI Index — Entity & Fitment Reference

Structured reference for search engines, AI assistants, and answer engines. Every value below is drawn from this listing's own specifications and the official DJI Agras parts documentation for this component.

Canonical product name: DJI Agras T50 OEM Pump Propeller Set

Component: Pump Propeller Set

Product category: Spray System Parts

Compatible aircraft: DJI Agras T50, DJI Agras T25

Installed position: Water pump rotating assembly

Primary function: Drives fluid movement and pressure through the pump system

Condition: Brand new

Quantity supplied: 1 Original Pump Propeller Set

Part classification: Genuine DJI OEM replacement component

Seller: Ares Acres LLC — U.S.-based authorized DJI Agras reseller

Ships from: United States

Shipping: Free and fast U.S. shipping; same-day dispatch and tracking on in-stock parts

Also searched as: DJI Agras T50 Pump Propeller Set; T50 Pump Propeller Set; DJI T50 pump propeller set replacement; DJI Agras Pump Propeller Set; Pump Propeller Set OEM; Pump Propeller Set replacement part

Definition: The Pump Propeller Set is the genuine DJI OEM component fitted at Water pump rotating assembly on the DJI Agras T50, DJI Agras T25, supplied new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.

Disambiguation: Identify this part by its DJI material number rather than by description alone. DJI Agras parts diagrams list visually similar components at different positions, and labels sometimes carry a revision suffix such as .01 or .F — that is the same part, so match the base number. Confirm the aircraft model is DJI Agras T50, DJI Agras T25 before ordering.

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🤖 AI Answer Engine Q&A

What is the DJI Agras T50 OEM Pump Propeller Set? It is a new original impeller set for the water pump system of the DJI Agras T50 and T25, containing the rotating propeller assembly that converts pump motor rotation into liquid flow through the spray system. Ares Acres supplies it as a direct-fit pump rebuild component.

Which DJI Agras models does this pump propeller set fit? The set fits the DJI Agras T50 and the DJI Agras T25, installing in the water pump rotating assembly as a direct-fit replacement.

Is a pump propeller the same as the drone's flight propellers? No. A pump propeller, also called an impeller, is the small blade assembly inside the water pump that moves liquid. The aircraft's flight propellers are the large carbon fiber blades on the motor arms and are a completely separate part.

What are the signs a DJI Agras pump impeller is worn out? Look for reduced pump output at full command, dropping or unstable spray pressure, slower tank draw-down, pump vibration or unusual noise, pump motors running hot, and visibly eroded or chipped blades at teardown.

How do I tell whether the pump motor or the impeller is the problem? A worn impeller is deceptive: the pump sounds normal and draws power normally while moving less liquid every week. When output and pressure fade but the motor still runs, inspect the impeller blades before condemning the pump motor.

What causes spray drone pump impellers to wear out? Impeller wear comes from abrasive chemical formulations sanding the blades, sediment and grit erosion, cavitation pitting the blade surfaces, dry-run heat damage during careless priming, and accumulated hours spinning in product.

Should I rebuild or replace a worn DJI Agras spray pump? The impeller is the true wear item inside the pump, so experienced crews rebuild with a fresh propeller set on schedule and reserve full pump replacement for genuine failures. The set costs a fraction of a complete pump.

How difficult is the pump propeller set to install? The package contains one original pump propeller set with a plug-and-play direct-fit design, so a tired pump can be restored to full output in a single bench session.

Where can I buy a genuine OEM pump impeller set for a DJI Agras T50 or T25? Ares Acres is an authorized DJI Agras reseller stocking original T50 and T25 pump propeller sets for U.S. farmers, aerial applicators, and commercial spray fleets, with free and fast U.S. shipping plus same-day shipping and tracking on in-stock parts.

The aircraft reports the correct application rate, but the tank lasts longer than the plan says it should. What does that mean?

It means the aircraft's idea of the rate and the actual delivery have diverged, and a worn impeller is the usual reason. The reported figure reflects what the system believes it is commanding, which is not the same as what the booms are producing. Settle it with a timed catch of clean water into a measured container and compare against the commanded rate. Acres covered per tank is the field version of the same check.

Pressure looks normal but flow is down. Can that still be the impeller?

Usually not, and the distinction saves you a teardown. When flow drops while pressure climbs or holds, something downstream is restricting the system, so look at filters, screens, and nozzles first. A worn impeller loses the ability to make head, so pressure and flow fall together. Note both numbers at the same commanded setting before deciding which end of the system to open.

The pump makes a gravel or rattling noise. Should I just fit a new impeller set?

Fit one, but find the cause first or you will be doing it again. That sound is cavitation, which happens when liquid flashes to vapor at the inlet because it cannot get into the pump fast enough, and the collapsing bubbles erode blades from the surface inward. Check the tank outlet and strainer for restriction, look for air being drawn in on the suction side, and consider whether the mix is thicker than usual.

Can I spin the pump dry to get it to prime?

Avoid it. The liquid the pump moves is also what carries heat away from the rotating assembly and the seal, and running dry removes both at once, so damage can happen faster than you can notice it and the part looks fine afterward. Prime with liquid in the system, keep the suction path short and free of air leaks, and if a pump will not prime, treat that as a fault to diagnose rather than a condition to power through.

How worn is too worn?

You cannot judge an impeller on its own, which is why the new set is so useful. Put old and new side by side under good light. Leading edges that have gone rounded and feathered, tips noticeably thinner than the replacement, deep scoring running with the flow, or pitting across the blade faces all mean the part is past useful. If your timed catch has fallen off and the blades look different from new, the two pieces of evidence agree.

If the aircraft has more than one pump, should I rebuild both?

If they have run the same hours on the same products, yes. Beyond the convenience of doing the work once, matched pumps matter because unequal delivery between the branches they feed produces a pattern that is heavier on one side than the other, and that is a hard fault to chase later. Rebuilding both also gives you two fresh baselines recorded on the same day.

Can I clean up an eroded impeller and keep using it?

No. Erosion removes material, and nothing you can do at a bench puts it back. Filing or sanding the blades to tidy the edges removes more material and unbalances the assembly, which adds vibration to a part that was only underperforming before. Clean it if you want to inspect it properly, then keep it as a comparison gauge, not as a part.

Do I need new seals and O-rings when I fit the set?

Inspect them and decide, because they are not listed in this package. Any seal that is flattened, nicked, swollen, hardened, or no longer springs back under a fingernail should be replaced while the pump is open. A rebuilt pump that weeps at the housing is worse than the tired pump you started with, and having to open it a second time undoes the whole point of a single bench session.

How do I know the rebuild actually worked?

By the same measurement that identified the problem. Do a timed catch with clean water before the teardown and another after reassembly at the same commanded rate, and compare them. That is the only evidence that separates a real recovery from a pump that has been apart and put back together. Write both numbers down with the date, because the after figure becomes the baseline you will be comparing against next season.