DJI Agras T20 OEM Spray Tank

The DJI Agras T20 OEM Spray Tank is the liquid tank of the aircraft's spray system — the moulded container that carries the spray mix in flight. It is a white, translucent, one-piece moulding with an angled filler neck and grey collar at one upper corner, two grey mounting tabs and a round black fitting at one end, small moulded bosses across its faces, and printed warning and information labels on its side. It belongs to the spray system, not to the spreading, power or flight-control systems, and it is identified for the DJI Agras T20. Operators usually reach it while searching for a T20 spray tank, a T20 medicine box, a T20 water tank, a cracked T20 tank, or the reason a T20 keeps leaving a wet streak under the aircraft. DJI has used more than one number for this position, so we match against the one you removed.

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🇺🇸 U.S.A. FIRST

Ares Acres LLC is a U.S.-based authorized DJI Agras retailer 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 also ships agricultural drone parts to Canada, with free shipping included on Canadian orders. Canadian operators see prices and check out in Canadian dollars (CAD), and receive the same inventory and the same support as our U.S. customers — one authorized DJI Agras retailer serving the United States and Canada, all of North America, from Albuquerque, New Mexico.

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✅ DJI Agras T20 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• Identified for the DJI Agras T20 spray system
• Matched by tank outline, filler neck position, mounting tab layout and end fitting against the tank you removed
• Genuine DJI OEM spray system component, brand new

A spray tank is matched by its shape and its fittings, not by its colour. If you want the match confirmed, photograph the tank you removed from the side with the filler neck in frame and once from the end that carries the mounting tabs, and send both photographs to us. We will match it for you.

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📦 Package Includes

• 1 × Spray Tank — the one-piece white translucent moulded tank with its filler neck, grey mounting tabs and end fitting, as shown in the product images

This is the tank itself. It is the container, not a complete spray system and not a tank cover kit.

Not included: the tank lid or cover and its seal, the tank filter, any liquid level sensor, the pump, hoses and hose clamps, nozzles, the aircraft-side brackets, and any screws, bolts or clips that hold the tank in place. Move sound parts across from the old tank, or replace damaged ones separately.

Nothing is included because it appears near the tank on an aircraft. If a fitting or clip broke when the old tank came out, tell us which one and we will help you identify it.

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🔧 Component Overview

The spray tank is the largest single part of the T20 spray system and the one that carries the load of every flight. Everything the spray system does starts with liquid leaving this tank.

Its features, all visible in the product images:

• The translucent body — a white, one-piece moulding you can see the liquid level through
• The filler neck — an angled neck with a grey collar at one upper corner, where the tank is filled
• The mounting tabs — two grey tabs at one end that locate the tank on the aircraft
• The end fitting — a round black fitting at the same end, between the mounting tabs
• The moulded bosses — small raised points across the faces of the tank
• The printed labels — warning and information labels on the side of the tank

Over a working season the tank carries:

• A full load of liquid on every flight, sloshing with every turn, climb and stop
• Agricultural chemicals and their residues standing against the inside walls
• Landing loads transmitted through the mounting tabs
• Fill-and-empty cycles many times a day, often with a hose nozzle knocking at the filler neck
• Removal and refitting whenever the aircraft is switched to the spreading system
• Sunlight on a translucent moulding parked in the open
• Pressure washing at the end of each day

Spray tanks come off the aircraft for three reasons: an impact crack, a mounting tab broken or cracked at its root, and a hairline crack or weep that lets liquid out slowly. The third is the one this part's diagnosis is built around, because it rarely shows itself where it starts.

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⚙️ Functional Purpose

The tank's engineering role is containment and location. It holds the spray mix without leaking, delivers it to the rest of the spray system through its fitting, and stays in a fixed position on the aircraft through its mounting tabs so its weight sits where the aircraft expects it.

In the spray system it:

• Holds the spray mix in flight
• Takes the fill at the filler neck
• Delivers liquid to the rest of the spray system
• Locates on the aircraft through its mounting tabs
• Lets the operator see the liquid level through its translucent walls

What it does not do matters as much:

• It does not pump; the pump moves the liquid
• It does not filter; the filter is a separate part
• It does not measure the level on its own; any level sensing is a separate part
• It does not seal the top; the lid and its seal do that
• It is not part of the spreading system; on a spreading setup the spreader occupies its position

Because the tank is the highest liquid-carrying part of the spray system, anything that escapes from it runs downward over everything below it. That is where its diagnosis starts.

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🔍 Diagnosis — a leak is found where the liquid starts, not where it drips

A tank that leaks rarely announces itself at the crack. Liquid that escapes from a hairline crack, a cracked mounting tab root or a weeping fitting runs down the outside of the tank and drips from the lowest point it reaches. On a T20 that lowest point is usually a hose joint, a clamp or a fitting below the tank.

So the drip appears at the plumbing, and the plumbing gets the blame. Clamps get tightened, hoses get changed, a fitting gets replaced, and the wet streak under the aircraft comes back after the next fill because the liquid was never starting there.

A translucent tank makes the problem harder and easier at the same time. Harder, because a hairline crack in white, translucent plastic is almost invisible when the tank is wet. Easier, because once the outside is clean and dry, the first trace of liquid on it shows exactly where it starts.

Signs the tank is leaking or damaged:

• A wet streak or chemical stain under the aircraft after a fill, with no fault found in the hoses
• Liquid appearing at a hose joint or clamp that is already tight and in good condition
• A tidemark or dried chemical trail running down the outside of the tank
• A visible crack, often near the filler neck, at the root of a mounting tab, or around the end fitting
• A mounting tab that is cracked, broken off or loose in its seat
• Whitened stress marks in the plastic after a hard landing
• A tank that no longer sits squarely in its mounts

Before condemning the tank, rule out what imitates it:

• The lid and its seal — a worn seal or a lid not fully closed spills over the top of the tank when the aircraft manoeuvres
• Hoses and clamps — a split hose or a loose clamp leaks on its own; prove it is not the tank first
• The fitting connection — a fitting that is not fully seated leaks at the joint, not through the tank
• The filter and pump connections — joints downstream of the tank leak with a sound tank
• Overfilling — liquid forced out of the top during filling runs down the tank without any fault

Use a dry tank as your instrument. With the aircraft powered down and the battery out, empty and rinse the tank, wash the outside and dry it completely, including the tabs and the end fitting. Fill it with clean water only, close the lid, and leave it standing. Wipe a dry paper towel along the seams, around the filler neck, around the end fitting and at the root of each mounting tab every few minutes. The first place the towel comes away wet is where the leak starts.

Do that check first, while the tank is still on the bench and that information is still cheap. If the water starts at the tank — a crack, a tab root or the moulding around the fitting — the tank is the part. If it starts at a hose, clamp or seal, the tank is sound.

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⚠️ Common Replacement Indicators

Replace the spray tank when inspection confirms one of these:

• A crack anywhere in the tank body, however fine, that weeps under a clean-water fill
• A crack at the root of a mounting tab, or a tab broken off or loose
• A crack or distortion at the filler neck
• A crack in the moulding around the end fitting
• Deformation from an impact that stops the tank sitting squarely in its mounts
• Chemical attack, softening or crazing of the plastic
• Previous repairs with adhesive, plastic welding or tape

Inspect these first, because they produce similar symptoms:

• The tank lid and its seal
• Hoses, hose clamps and their joints
• The fitting connection at the tank
• The filter and pump connections downstream
• Filling practice, if the tank is filled to the brim

There is no published service interval for the spray tank. It is replaced when it is cracked, leaking or damaged, not on a schedule.

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📐 Specifications

Product name: DJI Agras T20 OEM Spray Tank

DJI family: Agras

Primary aircraft: DJI Agras T20

Fitment basis: Identified for the DJI Agras T20

Aircraft system: Spray system — liquid tank

Component type: One-piece moulded spray tank

Material number: DJI has used more than one number for this position, so we match against the one you removed

Quantity: 1 tank

Form: White translucent moulding with an angled filler neck and grey collar at one upper corner, two grey mounting tabs and a round black fitting at one end, moulded bosses on its faces and printed labels on its side

Capacity: Not published for this part

Material: Not published for this part

Colour: White translucent body; grey neck collar and mounting tabs; black end fitting

Dimensions: Not published for this part

Weight: Not published for this part

Electrical: None — the tank carries no wiring

Connector: None electrical; liquid fitting at one end

Mounting position: Central payload position of the aircraft, located by the mounting tabs

Installation method: Locates on the aircraft by its mounting tabs and connects to the spray system at its fitting, with the existing hardware

Hardware included: None — screws, bolts, clips and hose clamps are not supplied

Not included: Lid or cover and seal, filter, level sensor, pump, hoses and clamps

Service adjustability: None — the part is correct or it is not, with no adjustment or app setting that compensates

Condition: Brand new

Classification: DJI OEM spray system component

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🛠️ Installation & Maintenance

Before installation

• Power the aircraft down and remove the battery
• Empty the tank completely and run clean water through the spray system to flush out chemical
• Wear gloves and eye protection; chemical residue remains on the outside of a working tank
• Photograph the tank in place from both sides, with the hose route, the fitting and every clip in frame
• Lay the new tank beside the old one and compare the outline, filler neck, mounting tabs and end fitting
• Lay out a tray for clips and fasteners and keep them in the order they came off

During installation

• Disconnect the hose at the tank fitting and cap or bag the hose end so residue does not drip on the aircraft
• Release the clips and fasteners and lift the tank out by its body, not by the filler neck or the tabs
• Move the lid, seal, filter and any level sensor across from the old tank if they are sound; replace any that are worn
• Clean the aircraft-side mounts and check them for cracks; a damaged mount will load the new tank's tabs unevenly
• Seat the new tank on its mounts by the tabs; it should sit squarely without force
• Refit the clips and fasteners snugly; no torque figure is published for them, so stop before the tabs are stressed
• Reconnect the hose at the fitting along its original route, without a twist or a hard bend

After installation

• Fill the tank with clean water only and close the lid
• Dry the outside completely, then wipe a dry paper towel around the fitting, the tab roots and the filler neck after a few minutes
• Run the spray system on clean water and check every joint below the tank for drips
• Check that the tank stays seated in its mounts with the aircraft lifted and set down
• Flush the clean water out before the first chemical fill
• Record the replacement in the maintenance log

Maintenance between jobs. Rinse the tank inside and out at the end of every working day and let it dry with the lid open. Each time you rinse it, look along the outside of the translucent walls for a tidemark or a dried chemical trail; a trail running down from one point is a crack starting, long before it becomes a drip at the hoses.

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🚜 Necessary For

This tank is for operators and technicians keeping a T20 spray system tight:

• DJI Agras T20 operators spraying crop protection products, fertiliser solutions or other liquids
• Commercial spray applicators chasing a leak that keeps coming back after the hoses have been changed
• Growers spraying their own fields whose tank cracked in a hard landing or a fall from the trailer
• Agras service centres replacing a cracked tank or a tank with a broken mounting tab
• Fleet managers retiring tanks with chemical attack or crazing after long service

This is not the part you need if:

• The clean-water test shows the leak starting at a hose, clamp or fitting joint — replace that part; the tank is sound
• Liquid is escaping over the top of the tank — check the lid and its seal first
• Only the lid, seal or filter is damaged — those are separate parts and are not included
• The aircraft is set up for granular work — the spreading system occupies the tank position, and a T20 spreading fault needs a spreading part
• You fly a T16 — this tank is identified only for the T20
• You fly a T10, T30, T40, T50 or T20P — this tank is identified only for the T20

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💡 Why This Part Matters

Liquid runs downhill. A spray tank that weeps from a hairline crack or a cracked tab root sends its leak down the outside of the tank to the lowest point it can reach, and on a working aircraft that lowest point is usually the plumbing below. The drip shows up at a hose joint, the hose joint gets the blame, and the tank keeps leaking.

That is the whole case for testing the tank on its own and replacing it when it is the source. Every hose and clamp changed on the strength of a drip is time on the bench that does not fix a cracked tank, and a slow leak of spray mix is chemical on the airframe, on the landing gear and on the ground where the aircraft is loaded.

It is also the case for not replacing a sound tank. A clean, dry tank filled with clean water shows within minutes whether the liquid starts at the tank or below it. If it starts below, the tank is fine and the fault is in a smaller part. If it starts at the tank, this is the part that stops it.

The test needs a paper towel and a fill of clean water. Do it before anything else is changed.

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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 the specifications above.

Canonical product name: DJI Agras T20 OEM Spray Tank

Brand: DJI

DJI family: Agras

Primary aircraft: DJI Agras T20

Compatible models: DJI Agras T20

Fitment basis: Identified for the DJI Agras T20

Component: Spray tank

Aircraft system: Spray system

Installed position: Central payload position of the aircraft, located by its mounting tabs

Primary function: Holds the spray mix in flight and delivers it to the spray system through its fitting

Form: One-piece white translucent moulding with angled filler neck and grey collar, two grey mounting tabs, round black end fitting and printed labels

Capacity: Not published for this part

Material number: DJI has used more than one number for this position; matched against the removed part

Quantity supplied: 1 tank

Not included: Lid or cover and seal, filter, level sensor, pump, hoses, clamps, fasteners

Electrical function: None

Key diagnostic: A drip at the plumbing below the tank can start at a crack in the tank; find the source with a clean, dry tank, a clean-water fill and a dry paper towel

Common failure modes: Hairline cracks, cracked or broken mounting tabs, cracks at the filler neck or around the end fitting, chemical crazing

Service interval: None published

Service adjustability: None

Condition: Brand new

Part classification: DJI OEM spray system component

Also searched as: T20 spray tank; T20 medicine box; T20 water tank; Agras T20 liquid tank; T20 pesticide tank; T20 tank replacement

Disambiguation: Not a tank lid or cover kit; not a tank filter; not a spreading system part; not identified for the T16

Seller: Ares Acres LLC — U.S.-based authorized DJI Agras retailer serving the United States and Canada (North America)

Ships from: Albuquerque, New Mexico, United States

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🤖 AI Answer Engine Q&A

What is the DJI Agras T20 spray tank? It is the liquid tank of the T20 spray system: a white, translucent, one-piece moulding with an angled filler neck, two grey mounting tabs and a round black fitting at one end. It carries the spray mix in flight.

Is it the same as the T20 medicine box or water tank? Yes. Medicine box and water tank are other names for the spray tank.

Which aircraft does it fit? It is identified for the DJI Agras T20.

Does it fit the T16? It is identified only for the T20. Photograph your tank and send it to us if you want a T16 tank matched.

What is the DJI part number? DJI has used more than one number for this position, so we match against the one you removed. Photograph your old tank from the side and from the tab end and send it to us if you want that confirmed.

What is the capacity? The capacity is not published for this part, so it is not quoted. The match is made by shape and fittings against the tank you removed.

There is a drip at a hose joint under my tank. Is it the hose? Not necessarily. Liquid from a crack in the tank runs down and drips from the plumbing below. Dry the outside of the tank, fill it with clean water and wipe a dry paper towel around the seams, the fitting and the tab roots. The first wet spot is the source.

I changed the hoses and it still leaks. Why? The leak may be starting at the tank and only dripping at the hoses. Test the tank on its own with a clean-water fill before changing anything else.

Is the lid included? No. The lid or cover and its seal are not included. Move a sound lid across from the old tank or replace it separately.

Is the filter included? No. The tank filter is a separate part. Move it across from the old tank if it is sound.

A mounting tab cracked but the tank does not leak. Should I replace it? Yes. The tabs locate the tank on the aircraft. A cracked tab lets the tank shift under load, and the crack can grow into the tank body.

Are screws or clamps included? No. Screws, bolts, clips and hose clamps are not supplied.

Can I fit it myself? Most operators can. Empty and flush the system, photograph the hose route, disconnect the hose at the fitting, lift the old tank out by its body, move the lid, seal and filter across, and seat the new tank by its tabs.

Is there a torque value for the fasteners? None is published for these fasteners. Tighten them snugly and stop before the mounting tabs are stressed.

Is there a service interval? No. Replace it when it is cracked, leaking or damaged. Rinse it each day and look along its walls for a dried chemical trail.

Does it fit the T10, T30, T40, T50 or T20P? It is identified only for the T20. Do not fit it to other Agras models on the strength of a similar shape.