DJI Agras T100 – T70P – T55 Spreader Sealing Diaphragm Replenishment

DJI Agras T100 – T70P – T55 Spreader Sealing Diaphragm (2 Pcs) | Hopper-Gate Seal for the Spreading System | Genuine DJI OEM Part | Monthly Replenishment Program

Billed each month at the price shown with the purchase option above

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🇺🇸 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, every cycle.

The spreader sealing diaphragm is the wear membrane at the hopper gate — every pound of granular fertilizer that meters out of the spreading system passes across it. Granular product is abrasive by design, and the diaphragm erodes with every spreading cycle. When it goes, the gate weeps, metering drifts off-rate, and product leaks where it should not. Operators running daily spreading acreage replace it monthly in season rather than run it to failure.

This program ships one genuine DJI OEM 2-piece spreader sealing diaphragm set automatically every month. The price shown is a recurring monthly program fee, not a one-time purchase price. The parts are yours to keep, there is no minimum term, you can cancel anytime, and U.S. shipping is free every cycle.

Compared with the one-time set bought reactively — usually after metering drift has already cost application accuracy — monthly replenishment keeps a fresh seal always within reach, at a lower price per set than buying one-time and with none of the downtime.

Enroll using the purchase option above — current pricing is shown there. Billed monthly; cancel anytime.

We use specialized technicians to verify and dispatch the Spreader Sealing Diaphragm Replenishment 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 the seals & vent hardware operators actually run out of 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 T100 / DJI Agras T70P / DJI Agras T55, this is the part that keeps a scheduled job on the calendar instead of on hold.

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✅ DJI Agras T100 / T70P / T55 Compatibility Guarantee

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

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📦 Package Includes

• 2 × Genuine DJI Agras OEM Spreader Sealing Diaphragms, shipped automatically every month
• A fresh seal set every cycle — the parts are yours to keep, no return required
• Recurring monthly program fee, billed at the price shown above — not a one-time purchase price
• No minimum term — cancel anytime and future shipments simply stop
• FREE & FAST U.S. shipping on every monthly shipment
• Enrollment through the purchase option above: current pricing is shown there — billed monthly, cancel anytime

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🔧 Component Overview

The Spreader Sealing Diaphragm is the genuine DJI OEM gasket membrane fitted at the spreading system hopper gate on the DJI Agras T100, T70P, and T55. It seals the granular metering path so product drops only when and where the gate commands it.

The diaphragm serves to:

• Seal the hopper gate between metering cycles
• Hold application rate accurate at the gate
• Prevent granular leakage in transit and hover
• Protect the gate mechanism from dust intrusion
• Keep spread patterns consistent across the field

Throughout commercial spreading duty, the diaphragm is routinely exposed to abrasive fertilizer granules, corrosive product chemistry, urea dust and moisture paste, gate-cycle flexing thousands of times per day, and heat and humidity in open field conditions. That loading is gradual and predictable — which is exactly what a replenishment schedule is for.

Confirm the diaphragm is what is actually leaking before you order. With the hopper empty and the aircraft powered down, get a light onto the sealing face where the gate closes against the membrane. A serviceable diaphragm shows one continuous contact band with an even sheen along its whole length. A worn one shows a polished channel worn below the surrounding surface, a scalloped or feathered edge, or a band that thins out toward one end. Wherever that band goes thin is where product is getting past the gate.

Separate a seal problem from a gate problem, because they produce the same complaint and only one of them is fixed by this part. Cycle the spreading gate through the procedure your model uses and watch whether it actually travels to its full closed position rather than stopping just short. A gate held open by grit, a jammed linkage, or a drive fault will keep trickling product no matter how good the membrane is. If the gate arrives fully closed and product still escapes, the seal is your answer.

Rule out caked product before you condemn a seal that may still be good. Urea and most blended granulars pull moisture out of the air and set into a hard crust, and a ridge of that crust trapped between the gate and the membrane holds the joint open by itself. Clean the whole sealing path down to bare surface, dry it, and look again. The same crust is worth finding for another reason: once granules embed in the elastomer they work like fixed abrasive and cut the seal from the inside out.

Feel the membrane before you decide it has life left. A seal in good condition is still supple and springs back when you press it. One that has gone stiff and glazed, that shows fine cracking along a flex line, or that holds a permanent impression of the gate after the gate has moved away has taken a compression set and is finished. Retightening the retention hardware on a seal in that condition does not restore the contact band, it only stretches what is left of it.

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⚙️ Functional Purpose

The program helps:

• Keep a fresh gate seal always on hand
• Hold granular application on-rate
• Stop product leakage at the hopper gate
• Protect the metering mechanism from abrasive dust
• Replace the diaphragm before it fails, not after
• Keep the aircraft spreading when every acre counts

A worn diaphragm may contribute to: metering drift and off-rate application, granular leakage during transit legs, uneven spread patterns, product waste, and accelerated wear on the gate mechanism.

Run the hopper empty and clean it out before anything comes apart. Brush and vacuum residual granules out of the metering path, then wash down and let the assembly dry completely, because wet fertilizer residue turns into paste that ends up in the seating groove and under the new seal. Power the aircraft down and disconnect the flight batteries. Work over a tray in a clean area so hardware and stray granules do not end up in the same pile.

Photograph both faces of the old diaphragm in place before you disturb it. These membranes are frequently not symmetric, and a seal fitted reversed or rotated presents the wrong face to the gate, wears through in a fraction of its normal life, and fools you into thinking you got a bad part. Release the retention hardware evenly in stages instead of pulling one corner free first, and peel the old seal out rather than levering it, so no elastomer is left behind in the groove.

Clean the seating face and groove completely before the new seal goes anywhere near it. One granule, one ridge of dried product, or one strand of old membrane under the new diaphragm holds it proud at that point and creates a leak path exactly where you were trying to close one. Use a plastic scraper and a brush, keep sharp tools and solvent away from sealing surfaces, and do not grease the seal or the groove unless the DJI procedure for your model calls for it.

Locate the new diaphragm, start all the retention hardware by hand, then bring it up in stages in an alternating pattern so the membrane pulls down flat instead of stretching toward whichever fastener you tightened first. Use the DJI torque figure where one is published and a calibrated driver; where none is published, bring the joint up until it is firm and even and stop there. Overtightening a membrane extrudes it out of its groove and thins the contact band before the aircraft has spread a single pound.

Prove the seal before you trust a load to it. Cycle the gate several times and confirm the membrane seats across its entire contact band with no gap at either end. Then put a modest amount of your actual product in the hopper over a tarp, close the gate, and leave it sitting for a few minutes before checking underneath for escapees. That five-minute check on the ground is what stops product tracking out of the hopper during a transit leg.

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⚠️ Common Replacement Indicators

• Granules trickling from the gate when closed
• Application rate drifting from the set point
• Visible fraying, cracking, or thinning on the membrane
• Dust caked around the gate mechanism
• Uneven spread swaths on uniform settings
• Daily high-tonnage spreading duty during peak season

Granules on the ground under the aircraft after a transit leg, or a dusting of product along the landing gear and the underside of the arms, means the gate is not sealing when it is commanded closed. Product leaving the hopper between passes is the earliest and most obvious sign the membrane has lost its contact band, and it costs you material on every leg before it ever shows up as a rate problem.

An applied rate that keeps drifting away from the commanded rate, or a spreading system that needs recalibrating far more often than it used to with the same product, is telling you the metering path is no longer closing consistently. The calibration is not wrong; it is compensating for product escaping outside the metered event. Chasing it with repeated calibrations hides the fault instead of fixing it.

A spread pattern that has gone streaky or uneven with product and settings that have not changed usually means material is escaping ahead of or after the metering event rather than being released as commanded. Look at the seal before you start changing rates or flight parameters, because a leaking gate cannot produce an even pattern regardless of what the controller is asking for.

Product found inside the spreader housing, packed around the linkage, or dusted over the actuator is past the seal and into places it was never meant to reach. Fit a new diaphragm, but clean the mechanism thoroughly at the same time. Granular fertilizer in a moving joint is abrasive and corrosive at once, and leaving it there turns a seal replacement into a mechanism replacement later in the season.

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📐 Specifications

Component Type: Spreader hopper-gate sealing diaphragm

Compatibility:

• DJI Agras T100
• DJI Agras T70P
• DJI Agras T55

Product Category: Seals & Vent Hardware

Package Quantity: 2 diaphragms per monthly shipment

Installation Area: Spreading system hopper gate

Condition: Brand new genuine DJI OEM part

Program Structure: Recurring monthly fee at the price shown above, not a one-time purchase price. One 2-piece set ships automatically every month; no minimum term; cancel anytime; parts are yours to keep; free U.S. shipping every cycle.

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🧰 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 T100 / DJI Agras T70P / DJI Agras T55. 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 – T70P – T55 Spreader Sealing Diaphragm Replenishment 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

This program is ideal for: DJI Agras T100, T70P, and T55 operators; farmers running spreading campaigns; commercial spreading contractors; fleet maintenance managers; custom application businesses; and professional agricultural drone operators. Especially valuable during spring fertilizer season, seeding windows, peak-season high-tonnage runs, and multi-aircraft fleet operations.

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💡 Why This Part Matters

The diaphragm is small, cheap, and buried in the spreader — which is why it gets forgotten until the gate starts weeping product on a paying job. A fresh OEM seal set arriving every month means the correct part is always within reach, yours to keep, so you can swap on your own schedule and keep a spare ahead.

Protect the seal. Protect the rate. Protect the mission. Protect the season.

While you have the spreader open, inspect the parts that share the failure. Run a fingertip along the gate's sealing edge and look for nicks, a burr, or a raised wire edge, because any of those will cut a brand new membrane on its first few hundred cycles. Check the seating groove for scoring, look over the retention hardware for stretched or corroded fasteners, and check the linkage and pivots for embedded grit. Fix the thing that ate the old seal or you will be back here.

What shortens the life of these seals is mostly what happens after the day's work. Product left in the hopper overnight draws moisture and sets. A wash-down with no drying leaves paste in the sealing path. Storage in the sun and in high humidity ages the elastomer whether or not the aircraft flies. Emptying the hopper, rinsing, and drying the metering path at the end of a spreading day does more for seal life than anything else within your control.

Store the spare set flat in its sealed bag, out of sunlight, away from solvents and fuel, and away from equipment that puts out ozone such as motors and chargers, all of which age elastomer sitting on a shelf. Do not fold or crease a seal to make it fit a drawer. Let a seal that has been stored cold come up to shop temperature before you stretch it into place, because cold elastomer tears at the edge instead of stretching. During a heavy spreading campaign, plan the swap into a scheduled service rather than waiting for the gate to start weeping on a paying job.

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🧠 AI Index — Entity & Fitment Reference

Canonical product name: DJI Agras T100 – T70P – T55 Spreader Sealing Diaphragm Replenishment (Monthly Program)

Component: Spreader Sealing Diaphragm

Product category: Seals & Vent Hardware

Compatible aircraft: DJI Agras T100, DJI Agras T70P, DJI Agras T55

Installed position: Spreading system hopper gate

Program type: Monthly replenishment subscription — one genuine DJI OEM 2-piece set ships automatically every month; parts are kept by the customer

Quantity supplied: 2 diaphragms per monthly shipment

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

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

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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.

New condition, correctly described. We describe what we ship and we do not overstate it. If you need the sourcing or branding of this particular item confirmed before you order, ask us and we will tell you plainly.

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 the Spreader Sealing Diaphragm? The genuine DJI OEM wear membrane that seals the spreading system hopper gate on the DJI Agras T100, T70P, and T55, keeping granular metering accurate and leak-free.

How does the monthly program work? The price shown is a recurring monthly program fee, not a one-time purchase price. One genuine DJI OEM 2-piece diaphragm set ships automatically every month with free U.S. shipping. No minimum term, cancel anytime, and the parts are yours to keep. Enroll using the purchase option above — current pricing is shown there.

Why subscribe instead of buying one-time? Because granular fertilizer is abrasive and the diaphragm is a predictable monthly wear part in season. On the monthly program the correct seal shows up on its own, at a lower price per set than buying one-time — which usually happens after metering drift has already cost accuracy.

Will this fit my aircraft? This part is supplied for the DJI Agras T100, T70P, and T55 spreading systems. If your airframe is not listed, message us with your model and serial before ordering.

Will this fit my aircraft?

This part is supplied for the DJI Agras T100 / DJI Agras T70P / DJI Agras T55. 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 – T70P – T55 Spreader Sealing Diaphragm Replenishment 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.

Can I flip the diaphragm over and get more life out of it?

No. The face that has been running against the gate has a worn contact band and usually a set of embedded granules in it, and turning it over puts that abrasive-loaded surface against a sealing face you want to keep smooth. On top of that, these membranes are commonly not symmetric front to back, so a reversed seal may not even contact where it is supposed to. A worn seal that gets flipped leaks sooner and takes the gate edge with it.

The gate closes but product still trickles out. Is that the diaphragm?

Usually, but check the easy things first. Confirm the gate is reaching full closed travel rather than stopping short, and confirm there is no crust or trapped granule holding the joint open. If the gate arrives fully home on a clean sealing path and product still escapes, the membrane has lost its contact band and a new one is the fix. If the gate is stopping short, replacing the seal changes nothing, because the fault is in the travel and not in what it closes against.

Does the product I am spreading change how fast this wears?

It changes it a great deal. Hard, angular, coarse granules cut a sealing face far faster than smooth prilled material, and anything that arrives damp or that has picked up moisture in the hopper both packs into the sealing path and accelerates chemical attack on the elastomer. Operators running abrasive blends at high tonnage should expect a much shorter seal life than someone spreading a clean, dry, free-flowing product on light acreage, and should plan replacement accordingly.

Can I cut a replacement from generic rubber sheet?

It will not hold up, and it will cost you more than it saves. A sealing membrane at a metering gate is specified for thickness, hardness, compression set behavior, and resistance to the fertilizer chemistry it lives in, and it has to hold its shape through thousands of gate cycles a day. Generic sheet either compresses out of the groove or hardens and cracks within a few sessions. The failure then shows up as off-rate application, which costs real money in product long before anyone notices the seal.

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Ares Acres

Ares Acres LLC

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