DJI Agras T40 OEM Rear Shell Bracket

The DJI Agras T40 OEM Rear Shell Bracket is the wide, black moulded frame that spans the back of the aircraft's centre body and gives the rear body shell something rigid to fasten to. It runs as one long lower rail carrying a row of mounting holes, and it rises at each end into an upright end block with a round socket opening that sits at the root of a rear arm. It belongs to the airframe, not to the spray, power or flight-control systems, and it is identified for the DJI Agras T40 and T20P. Operators usually find it while searching for a T40 rear shell bracket, a T40 rear body frame, a T20P shell mounting bracket, or a cracked rear shell support after a hard landing. 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 T40 / DJI Agras T20P Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• Identified for the DJI Agras T40 and T20P, rear shell position
• Matched by outline, end-socket shape and mounting-hole pattern against the bracket you removed
• Genuine DJI OEM airframe component, brand new

Front and rear shell brackets on these aircraft are different parts with different outlines. If you want the match confirmed, photograph the bracket you removed laid flat, with its mounting-hole side facing the camera, and send it to us — we will match it for you.

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📦 Package Includes

• 1 × Rear Shell Bracket — the one-piece moulded frame for the rear of the centre body

This is the bracket alone. It is a single moulded component, not an assembly and not a shell kit.

Not included: screws, threaded inserts, the rear body shell panels themselves, the arms, arm connectors or arm-fold hardware, the front shell bracket, and any cable clips or grommets that pass near the bracket. Reuse the original fasteners only if their threads and heads are sound; otherwise replace them separately.

Nothing is included because it appears near the bracket on the aircraft. If a fastener or clip is missing from your removed assembly, tell us which one and we will help you identify it.

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🔧 Component Overview

The rear shell bracket is an internal structural piece. Once the body shell is on, it is almost entirely hidden; the operator sees the shell panels, and the bracket is what those panels are screwed to. It sits across the rear of the centre body, below and behind the shell line, and reaches out at each end to the roots of the two rear arms.

Its shape tells you its job. The part has three working areas:

• The lower rail — a long, flat, moulded span with a row of mounting holes and paired fixing points along its length, where the bracket fastens to the body and the shell panels fasten to it
• The centre notch — a shallow step in the top edge of the rail at the middle, which gives clearance to whatever passes through the centre of the rear body
• The two upright end blocks — one at each end, each with a round socket opening and a raised upper section, sitting at the root of a rear arm where the shell closes around it

Because it reaches from one rear arm root to the other, the bracket sets the width and line of the rear shell. The shell panels are moulded to meet that line. When the bracket is where DJI put it, the panels close with even seams and every screw starts cleanly. When it is not, the shell tells you.

Over a working season the bracket sees:

• Hard landings and tip-overs that load the rear corners of the body
• Rear-arm strikes against trees, posts, trailers and vehicles during handling
• Repeated removal and refitting of the rear shell for battery-bay, cable and board access
• Fastener threads cut and re-cut into the same holes
• Vibration through the frame on every flight
• Chemical residue and wash water that collect at the rear of the body
• Heat on the trailer and in the sun between flights

Brackets in this position usually come out for one of three reasons: a crack at an end block after a rear-corner impact, stripped or broken fixing points from years of shell removal, or a bracket that has been twisted out of line and no longer lets the shell close properly. The last of those is the one most often missed, and it is the one this part's diagnosis is built around.

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⚙️ Functional Purpose

The bracket's engineering role is location. It holds the rear body shell at the right height, width and angle relative to the frame and the rear arm roots, so the panels meet each other and the arms without forcing.

In the airframe it:

• Provides the fixing points the rear body shell panels fasten to
• Ties the rear shell line to the frame between the two rear arm roots
• Frames the round openings the shell closes around at each rear arm
• Keeps the rear shell panels clear of moving and hot components behind them
• Holds the shell steady against vibration so it does not rattle or fret at its fixings

What it does not do matters as much:

• It is not a flight-load arm mount; the arms and their connectors carry the aircraft
• It does not fold, lock or latch the arms
• It carries no wiring and has no electrical function
• It does not seal the body against liquid on its own; the shell panels and their seams do that
• It is not the front shell bracket, which sits at the other end of the body and has a different outline

That division of labour is why a damaged rear shell bracket rarely grounds the aircraft outright. It is also why it is easy to leave in place when it should come out.

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🔍 Diagnosis — a bent bracket still holds the shell, and still puts it in the wrong place

A rear shell bracket that has been through a hard rear-corner impact often looks fine at a glance. It is in one piece. The screws still bite. The shell still goes on. So it gets left in.

The trouble is that its job is geometry, not strength. A bracket that has twisted a few degrees at one end block, or bowed along the rail, still carries the shell — it just carries it in the wrong place. The rear panels are moulded to meet a line the bracket no longer holds, so they are now fastened under tension, and the seams are no longer even.

That tension does not stay in the bracket. It goes into the shell panels, which crack at their screw bosses; into the fixing points, which strip; and into the seams, which open and let wash water and residue into the rear of the body. A bent bracket turns a one-part repair into a shell repair a few weeks later.

Signs the bracket has moved:

• A rear shell seam that is wider on one side than the other
• Rear shell screws that will not start cleanly, or that need the panel pushed into place before they bite
• A shell panel that springs away from its fixing as soon as a screw is backed off
• One rear corner of the shell sitting higher or lower than the other
• The shell rubbing or crowding the rear arm roots where it closes around them
• New rattles from the rear of the body that were not there before an impact

Before condemning the bracket, rule out what imitates it:

• A cracked or warped shell panel — fit the panel to a known-good aircraft if one is available; if it misbehaves there too, the panel is the problem
• A stripped screw or a missing insert — one bad fixing can make a straight bracket look crooked
• A displaced cable or clip — something trapped between the shell and the bracket holds the panel off its seat
• An arm root or arm connector that has moved — if the arm itself sits wrong, the shell will not close around it no matter how straight the bracket is

Use the other end of the bracket as your reference. With the rear shell off, lay a straightedge along the lower rail and compare the two end blocks by eye and by hand: same height, same angle, same distance from the rail. The bracket is symmetrical about its centre notch, so any difference between the two ends is damage, not design.

Clear those checks first, while the shell is already off and that information is still cheap. If the rail is bowed, an end block is twisted or cracked, or a fixing point has broken out, replace the bracket rather than forcing the shell onto it.

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⚠️ Common Replacement Indicators

Replace the rear shell bracket when inspection confirms one of these:

• A crack at either end block, at the round socket opening, or at the base of a raised upper section
• A crack running from a mounting hole along the lower rail
• A fixing point that has broken out or will no longer hold a screw
• A lower rail that is bowed or twisted against a straightedge
• End blocks that do not match each other in height or angle
• Rear shell seams that stay uneven with known-good panels and fasteners
• Stress whitening in the moulding after an impact
• Previous repairs with adhesive or filler at an end block or fixing point

Inspect these first, because they produce similar symptoms:

• The rear body shell panels themselves
• Screws and any threaded inserts at the rear shell fixings
• Cables and clips routed behind the rear shell
• The rear arm roots and arm connectors
• The front shell bracket, if the whole shell sits wrong rather than just the rear

There is no published service interval for this bracket. It is replaced when it is cracked, broken or out of line, not on a schedule.

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📐 Specifications

Product name: DJI Agras T40 OEM Rear Shell Bracket

DJI family: Agras

Primary aircraft: DJI Agras T40

Also listed for: DJI Agras T20P

Fitment basis: Identified for the DJI Agras T40 and T20P

Aircraft system: Airframe — rear body shell mounting

Component type: One-piece moulded shell bracket

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

Quantity: 1 bracket

Form: Long lower rail with a row of mounting holes, a centre notch, and an upright end block with a round socket opening at each end

Material: Not published for this part

Colour: Black

Dimensions: Not published for this part

Weight: Not published for this part

Electrical: None — structural part with no wiring

Connector: None

Mounting position: Rear of the centre body, spanning between the two rear arm roots, under the rear body shell

Installation method: Screw-fastened to the frame; the rear shell panels fasten to it

Hardware included: None — screws and inserts are not supplied

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 airframe component

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🛠️ Installation & Maintenance

Before installation

• Power the aircraft down and remove the battery
• Rinse and dry the rear of the body so you are not working in chemical residue
• Photograph the rear shell in place from behind and from each side, so the seam lines are on record
• Photograph the old bracket in place once the shell is off, including how cables and clips route around it
• Lay the new bracket beside the old one and compare outline, end-socket shape and hole pattern
• Lay out a tray for screws and keep them grouped by location; rear shell screws are not always all the same length

During installation

• Remove the rear shell panels in the order they came on and set them somewhere they cannot be scratched
• Free any cables or clips from the bracket before unfastening it
• Unfasten the bracket and lift it out square, without levering against the arm roots
• Check the frame mounting faces for cracks or residue and clean them
• Seat the new bracket so both end blocks sit evenly at the rear arm roots before driving any screw home
• Start every screw by hand first, then tighten evenly from the centre outward; DJI does not publish a torque figure for these fixings, so snug them without crushing the moulding
• Re-route cables and clips exactly as your photographs show

After installation

• Fit the rear shell panels — every screw should start without pushing the panel into place
• Check the seams side to side; they should be even
• Check that the shell closes around both rear arm roots without rubbing
• Unfold and fold the arms through their full travel and listen for contact
• Run a short hover and listen for rattles from the rear of the body
• Record the replacement in the maintenance log

Maintenance between jobs. Each time the rear shell comes off, look at the bracket's end blocks and fixing points for cracks and stress whitening. Do not overtighten shell screws into the moulding; a stripped fixing point is the most common reason a sound bracket gets replaced. After any rear-corner impact, check the seams before the next flight — an uneven seam is the cheapest early warning this part gives.

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🚜 Necessary For

This bracket is for operators and technicians putting the rear of a T40 or T20P back into shape:

• DJI Agras T40 operators repairing the rear body after a hard landing or rear-corner strike
• DJI Agras T20P operators (identified fitment)
• Commercial spray applicators whose aircraft spend their days on and off trailers
• Agras service centres and repair technicians rebuilding crash-damaged airframes
• Fleet managers whose rear shell fixings have stripped from years of panel removal
• Growers flying their own aircraft who want the shell to close properly again

This is not the part you need if:

• The damage is at the front of the body — that is the DJI Agras T40 OEM Front Shell Bracket, a different part with a different outline
• The bracket is straight and intact but a shell panel is cracked — replace the panel
• One rear screw will not hold but the bracket is otherwise sound — replace the screw or insert first
• An arm root, arm connector or arm-fold joint is damaged — that is arm hardware, and a new bracket will not straighten it
• The whole centre frame is bent — a shell bracket locates the shell, it does not straighten a frame
• You fly a T50, T25, T100 or T70P — this bracket is listed only for the T40 and T20P

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💡 Why This Part Matters

The rear shell bracket is easy to overlook because the aircraft flies with a bent one. It does not throw an error, and it does not stop the motors. It simply holds the rear shell in a place the shell was never moulded to sit.

That is the whole case for replacing it rather than living with it. A bracket out of line pre-loads every rear panel it touches. The panels crack at their bosses, the fixing points strip, the seams open, and wash water finds its way into the rear of the body. Each of those is a separate repair, and each traces back to a part that still looked serviceable.

Shell work also costs time on the aircraft. Taking the rear shell off once to fit a straight bracket is a short job. Taking it off three times over a season to chase cracked panels and stripped screws is not.

The check is free. With the shell off, a straightedge along the rail and a side-by-side look at the two end blocks tells you whether the bracket is still where DJI put it. If it is, leave it. If it is not, this is the part that puts the rear shell line back.

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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 T40 OEM Rear Shell Bracket

Brand: DJI

DJI family: Agras

Primary aircraft: DJI Agras T40

Also listed for: DJI Agras T20P

Compatible models: DJI Agras T40; DJI Agras T20P

Fitment basis: Identified for the DJI Agras T40 and T20P

Component: Rear shell bracket

Aircraft system: Airframe

Installed position: Rear of the centre body, between the two rear arm roots, under the rear body shell

Primary function: Locates and holds the rear body shell panels relative to the frame and rear arm roots

Form: One-piece black moulded frame: lower rail with mounting holes, centre notch, upright end block with round socket opening at each end

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

Quantity supplied: 1 bracket

Not included: Screws, inserts, rear shell panels, arms, arm connectors, front shell bracket

Electrical function: None

Key diagnostic: Uneven rear shell seams or screws that will not start cleanly after an impact; confirm with a straightedge along the rail and by comparing the two end blocks

Common failure modes: Cracked end block, broken-out fixing point, bowed or twisted rail

Service interval: None published

Service adjustability: None

Condition: Brand new

Part classification: DJI OEM airframe component

Also searched as: T40 rear shell bracket; T40 rear body frame; T20P rear shell bracket; Agras T40 shell mount; T40 rear shell support; DJI Agras T20P/T40 rear shell bracket

Disambiguation: Not the DJI Agras T40 OEM Front Shell Bracket, not a rear shell panel, not an arm connector or arm mount, not a centre frame

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 T40 rear shell bracket? A one-piece black moulded frame that spans the rear of the centre body between the two rear arm roots. The rear body shell panels fasten to it, and it sets where they sit.

Is this the same as the front shell bracket? No. The DJI Agras T40 OEM Front Shell Bracket sits at the other end of the body and has a different outline. Compare the removed part's shape and hole pattern with the rear bracket described here.

Which aircraft does it fit? It is identified for the DJI Agras T40 and T20P. Pick the variant for the aircraft you fly.

Is the T20P bracket different from the T40 bracket? The rear shell bracket is identified for both aircraft. The variant records which one you fly so the match is made against the right airframe, and we compare it with the bracket you removed if you send a photograph.

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 bracket and send it to us if you want that confirmed.

My rear shell will not line up. Is it the bracket? Possibly. Check the shell panel, the screws and any inserts, and any cable trapped behind the shell first. Then, with the shell off, lay a straightedge along the bracket's rail and compare the two end blocks. If they differ, the bracket has moved.

The bracket is not cracked. Can it still be bad? Yes. A bracket that has twisted or bowed in an impact still holds the shell, but in the wrong place. That pre-loads the panels, which then crack at their screw bosses and open at the seams.

Does the bracket hold the arms on? No. The arms and their connectors carry the aircraft. The bracket sits at the rear arm roots so the shell closes around them, but it is not a flight-load arm mount and does not fold or lock the arms.

Are screws included? No. The bracket is supplied on its own. Reuse sound original screws, or replace any with damaged threads or heads separately.

Does it come with the rear shell panels? No. It is the internal bracket only. The rear body shell panels are separate parts.

Will a new bracket fix a bent frame? No. It locates the shell; it does not straighten the centre frame or an arm root. If those have moved, they need attention first.

Does it fit the T50 or T25? It is listed only for the T40 and T20P. Do not fit it to other Agras models on the strength of a similar shape.

Can I fit it myself? Most operators can. Photograph the shell and the old bracket in place, keep screws grouped by location, start every screw by hand, tighten evenly without crushing the moulding, and check the seams before flying.

Is there a torque value for the bracket screws? DJI does not publish one for these fixings. Snug them evenly from the centre outward and stop before the moulding deforms.

Is there a service interval? No. Replace it when it is cracked, has a broken fixing point, or is out of line. Check it every time the rear shell comes off.

How do I make the new bracket last? Do not overtighten shell screws into it, check its end blocks after any rear-corner impact, and treat an uneven rear seam as a reason to look before the next flight.