DJI Agras T40 OEM Backward Vision Radar Bracket

The DJI Agras T40 OEM Backward Vision Radar Bracket is the moulded cradle that holds the aircraft's rear-facing sensing unit — the backward vision radar — in its place on the airframe. It is a structural locating part in the obstacle-sensing system: a flat base flange with two mounting holes fixes it to the frame, and the cradle above carries the sensor at the angle the aircraft expects to look behind itself. The bracket is identified for the DJI Agras T40 and T20P. It has no electronics of its own; its whole job is to put the backward sensor where it is supposed to be and keep it there.

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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, on the rear sensing position
• Matched by shape, flange, mounting holes and position against the bracket you removed
• Genuine DJI OEM airframe bracket, brand new

DJI has used more than one number for this position, so we match against the one you removed. Photograph the old bracket in place, from the side and from behind, and send it to us if you want the match confirmed.

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📦 Package Includes

• 1 × Backward Vision Radar Bracket (the moulded cradle with its base flange)

This is a single bracket, not a sensor kit. It carries the backward sensing unit; it does not include it.

Not included: the backward vision radar module itself, its cable or connector, mounting screws, the forward sensing bracket, frame arms, body shells, or any covers. Screws are not listed as supplied — reuse the original fixings if they are sound, or replace them separately if they are corroded or stripped.

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🔧 Component Overview

An Agras spray aircraft flies close to crops, trees, power poles and field edges, and it does not always fly forward. It backs out of headlands, reverses along a row, and turns tight at the end of a pass. The backward sensing unit is what lets the aircraft see what is behind it while it does that, and the backward vision radar bracket is what points that unit in the right direction.

The bracket sits at the rear of the airframe. Its base flange is flat, with a mounting hole at each end, and it is fixed to the frame through those two holes. Above the flange the bracket forms an open cradle; the sensing unit seats into that cradle and is held at a set attitude relative to the aircraft's body. A cut-out in the base of the flange leaves room for routing.

That is all the bracket is, and it is enough. The sensor does the sensing. The bracket decides where the sensor is looking.

In the rear position the bracket takes more abuse than most frame hardware:

• Ground contact on hard or uneven landings, tail-first
• Strikes on crop canopy, fence lines and posts while reversing
• Knocks during loading onto trailers and truck beds
• Handling while the aircraft is carried by its frame
• Chemical residue and pressure washing at the end of each day
• Sun exposure on a moulded part that lives on the outside of the aircraft
• Vibration through the frame on every flight

Brackets in this position are replaced for three reasons: they crack, they snap a flange ear at a mounting hole, or they bend or twist and keep holding the sensor at the wrong angle. The third one is the reason to read the rest of the description carefully.

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⚙️ Functional Purpose

The bracket's engineering role is location, not strength. It holds the backward sensing unit at a fixed position and attitude relative to the airframe so that what the sensor reports matches where the aircraft thinks it is looking.

In the sensing system it:

• Fixes the backward vision radar unit to the rear of the frame through a flat flange and two mounting holes
• Sets the direction the backward sensor faces — its tilt and its yaw relative to the aircraft
• Keeps that direction constant through vibration, landings and spraying
• Leaves room at its base for the sensor's routing

An obstacle sensor measures distance along the direction it is pointed. The aircraft trusts that direction because it assumes the sensor is mounted where DJI put it. If the bracket has moved, the sensor is still measuring accurately — it is just measuring the wrong piece of space. Tilted down, it looks at more ground and less of what is behind the aircraft. Tilted up, it looks over low obstacles. Twisted sideways, it watches the wrong side of the tail.

What the bracket does not do matters too:

• It does not repair a failed sensor — a dead or faulted backward radar module is a different part
• It does not repair a damaged sensor cable or connector
• It does not straighten a bent frame arm or a distorted frame section it mounts to
• It does not change obstacle-avoidance settings; it restores the geometry those settings rely on

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🔍 Diagnosis — a bracket that still holds can still be wrong

The usual test for frame hardware is whether it still holds. For this bracket that test is the wrong one.

A cracked or snapped bracket is obvious: the sensor is loose, rattles, or hangs. Nobody needs help deciding to replace it. The difficult case is a bracket that took a hit, bent a little, and is still perfectly tight. The sensor is held firmly. Nothing rattles. Every screw is in. And the backward sensor is now looking a few degrees away from where it should.

Strength and geometry are different properties. A bent bracket keeps its strength and loses its geometry. Because the sensor is held firmly, nothing about it looks wrong in a quick walk-around, and the fault shows up only in how the aircraft behaves behind itself.

What a moved bracket tends to look like in the field:

• Rear obstacle warnings with nothing behind the aircraft, often over bare ground or tall crop — a sensor tilted down
• The aircraft reversing towards an obstacle it should have reported — a sensor tilted up or twisted away
• Rear sensing that behaves differently from one side of the field to the other, or after turning
• Behaviour that changed straight after a tail-first landing, a canopy strike, or a knock in transport

Before condemning the bracket, rule out what imitates it:

• Dirty or wet sensor face: spray residue, mud or water on the sensor produces false readings from a perfectly aligned unit. Clean it and test again.
• Cable or connector fault: a loose, chafed or corroded connection produces dropouts and sensing errors, not a mis-aimed sensor. Inspect the routing and reseat the connector.
• Sensor fault: an error reported by the aircraft for the backward sensing unit itself points at the module, not the bracket.
• Bent frame, true bracket: if the frame section under the bracket is distorted, a new bracket will sit at the same wrong angle. Check the mounting surface.

How to check the bracket itself:

• Compare it with the forward sensing bracket and with a photograph of an undamaged aircraft — the rear unit should sit square to the airframe, not tilted or skewed
• Sight along the base flange: it should be flat, with both mounting holes lying in one plane
• Look at the cradle walls from above and from behind: they should be parallel and symmetrical
• Look for white stress marks, hairline cracks, or elongated mounting holes at the flange ears
• With the bracket off the aircraft, set it on a flat surface — a bent flange rocks

A bracket that has been bent and pushed back by hand is not repaired. Moulded parts that have yielded do not return to their exact original shape, and they are weaker at the bend. Clean the sensor and check the cable first, while those checks are still free. If the bracket is bent, twisted, cracked or rocks on a flat surface, replace it.

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⚠️ Common Replacement Indicators

Replace the bracket when inspection confirms one of these:

• Visible bend or twist in the cradle or the base flange
• Base flange rocks on a flat surface
• Backward sensor sits visibly tilted or skewed compared with the airframe or the forward sensor
• Cracks, white stress marks or crazing anywhere on the bracket
• A snapped or split flange ear at either mounting hole
• Mounting holes worn oval, so the bracket shifts when the screws are tight
• A bracket that has been bent and straightened by hand
• False or missing rear obstacle warnings that began after a tail-first impact, with a clean sensor and a sound cable

Inspect these first, because they produce similar symptoms:

• The backward sensor face — residue, mud, water, scratches
• The backward sensor cable, its routing and its connector
• The frame section the bracket mounts to
• Mounting screws — missing, loose, stripped or corroded
• Obstacle-avoidance settings on the remote controller

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

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📐 Specifications

Product name: DJI Agras T40 OEM Backward Vision Radar 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: Sensing — backward (rear-facing) obstacle sensing

Component type: Airframe bracket: moulded cradle with flat base flange

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

Quantity: 1 bracket

Mounting position: Rear of the airframe, carrying the backward vision radar unit

Mounting method: Flat base flange with two mounting holes, fixed to the frame

Colour: Grey

Material: Not published for this part

Dimensions: Not published for this part

Weight: Not published for this part

Electrical: None — the bracket carries no electronics

Sensor included: No — the backward vision radar unit is a separate part

Fixings included: No — screws are not listed as supplied

Service adjustability: None — the bracket is the right shape or it is not, with no adjustment or app setting that compensates

Condition: Brand new

Classification: DJI OEM airframe bracket

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🛠️ Installation & Maintenance

Before installation

• Power the aircraft down and remove the battery
• Rinse and dry the rear of the aircraft so you are not working in spray residue
• Photograph the old bracket and sensor in place from the side, from behind and from above
• Note the sensor cable's route around the bracket before you disturb it
• Compare the new bracket with the old one side by side — flange, hole positions and cradle shape
• Check the frame surface the bracket mounts to; replace or straighten nothing else until you know it is flat

During installation

• Disconnect the sensor cable by its connector body, never by the wires
• Remove the sensing unit from the cradle and set it face-up on a clean cloth
• Remove the old bracket and inspect the mounting screws; replace any that are stripped or corroded
• Seat the new bracket flat on the frame with both holes aligned before tightening either screw
• Tighten the screws evenly and snugly; DJI does not publish a torque figure for this joint, and a moulded flange cracks if it is over-tightened
• Refit the sensing unit in the cradle in its original orientation and route the cable as photographed
• Reconnect the cable and confirm the connector is fully seated

After installation

• Look at the sensor from behind and from the side: it should sit square to the airframe
• Compare its attitude with your before-photographs and with the forward sensor
• Clean the sensor face before the first flight
• Power up and confirm the aircraft reports no fault for the backward sensing unit
• Test rear obstacle sensing at low speed, in an open area, against a known object behind the aircraft
• Record the replacement and the cause of the damage in the maintenance log

Maintenance between jobs. Wipe the backward sensor face and look at the bracket whenever the aircraft is washed. A ten-second look from behind — is the sensor still square? — catches a moved bracket long before a field does. After any tail-first landing or rear strike, check the bracket before the next flight, even if everything feels tight.

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🚜 Necessary For

This bracket is for operators and technicians putting rear sensing back where it belongs:

• DJI Agras T40 operators after a tail-first landing or a rear strike
• DJI Agras T20P operators repairing the rear sensing position
• Commercial spray contractors who reverse along rows and headlands
• Orchard, vineyard and tree-crop applicators flying close to obstacles
• Agras service centres and repair technicians rebuilding crash-damaged airframes
• Fleet managers keeping frame hardware on hand for the trailer

This is not the part you need if:

• The backward sensor reports its own fault or will not power up — that is the sensing module or its cable
• Rear warnings clear up once the sensor face is cleaned — the bracket was never the problem
• The frame section under the bracket is bent — a new bracket on a bent frame points the same wrong way
• You need the front sensor bracket — the forward position is a different part
• You fly a T50, T25, T100 or T70P — this bracket is identified for the T40 and T20P only

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💡 Why This Part Matters

Rear sensing matters most when the aircraft is doing the things that bring it closest to trouble: reversing out of a headland, backing along a tree line, turning tight beside a post. Those are also the moments when the operator is least able to watch the tail.

The case for this bracket is geometry, not strength. A cracked bracket announces itself. A bent bracket does not: it holds the sensor firmly and points it somewhere else. The aircraft has no way to know its rear sensor has been aimed at the ground or over the crop; it simply believes what the sensor reports. That is how a sound sensor on a tight bracket ends up giving false warnings, or no warning at all.

So the useful question is not whether the bracket still holds. It is whether the bracket still points the sensor where DJI put it. If the answer is no, the sensor is doing accurate work in the wrong direction, and no setting on the controller can correct a bracket that has moved.

Bending it back is not the repair. A moulded part that has yielded keeps a memory of the bend, will not return to its exact shape, and is weaker where it was bent. Replacing it is the only way to restore the original geometry.

Clean the sensor and check the cable first. When they are sound and the bracket is bent, twisted or cracked, a new bracket puts the backward sensor back where the aircraft expects it to be.

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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 Backward Vision Radar 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: Backward vision radar bracket (rear sensor cradle)

Aircraft system: Sensing — backward obstacle sensing

Installed position: Rear of the airframe

Primary function: Locates and aims the rear-facing sensing unit relative to the airframe

Mounting: Flat base flange with two mounting holes

Colour: Grey

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

Quantity supplied: One bracket

Not included: Backward radar module, sensor cable, screws, forward sensor bracket

Electrical: None

Failure mode that matters: Bent or twisted but still tight — holds the sensor firmly and aims it wrong

Key diagnostic: Clean the sensor face and check the cable first; then check the bracket for bend, twist, cracks and a flange that rocks

Repair rule: Replace a bent bracket; do not straighten it

Service interval: None published

Condition: Brand new

Part classification: DJI OEM airframe bracket

Also searched as: T40 rear radar bracket; T40 backward radar mount; T20P rear vision radar bracket; Agras rear obstacle sensor holder; T40 rear radar holder

Disambiguation: Not the radar module, not the forward sensor bracket, not a frame arm, not a landing gear part

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 does the DJI Agras T40 backward vision radar bracket do? It holds the aircraft's rear-facing sensing unit at the rear of the airframe and sets the direction that sensor looks. It carries no electronics; its job is position and aim.

Which aircraft does it fit? It is identified for the DJI Agras T40 and T20P. Choose the variant for your aircraft, and compare the new bracket with the one you removed.

Is the radar sensor included? No. This is the bracket only. The backward vision radar unit, its cable and the mounting screws are separate.

My bracket is bent but still tight. Do I need to replace it? Yes. A bent bracket still holds the sensor but points it in the wrong direction, so the sensor measures the wrong piece of space. Strength is not the test; shape is.

Can I bend it back? Not reliably. A moulded part that has yielded will not return to its exact original shape and is weaker at the bend. Replace it.

I get rear obstacle warnings with nothing behind the aircraft. Is it the bracket? Clean the sensor face first and check its cable. If the warnings started after a tail-first landing or rear strike and the sensor is clean and connected, look for a bracket that has tilted the sensor down.

The aircraft backed towards an obstacle without warning. Could the bracket cause that? It can, if the bracket has tilted the sensor up or twisted it sideways. Rule out a dirty sensor, a cable fault and a sensor error first, then check the bracket for bend and twist.

How do I check if the bracket is bent? Sight along the base flange and compare the sensor's attitude with the airframe and the forward sensor. Off the aircraft, set it on a flat surface; a bent flange rocks.

Is there a DJI material number? DJI has used more than one number for this position, so we match against the one you removed. Photograph the old bracket and send it to us if you want the match confirmed.

Is it the same as the front sensor bracket? No. The forward and backward sensing positions use different brackets. This one is for the rear position.

Does it fit the T50 or T25? It is identified for the T40 and T20P only. For other Agras models, photograph your bracket and send it to us so we can match the right part.

Are screws included? Screws are not listed as supplied. Reuse the originals if they are sound, or replace any that are stripped or corroded.

Can I fit it myself? Most operators can. Photograph the old bracket and cable route, seat the new flange flat, tighten the screws evenly without over-tightening, refit the sensor square, and test rear sensing at low speed.

Will a new bracket fix a bent frame? No. If the frame section under the bracket is distorted, the new bracket will sit at the same wrong angle. Check the mounting surface first.

Is there a service interval? No published interval. Replace the bracket when it is cracked, bent, twisted, or its mounting holes are worn.

How do I keep the new bracket true? After any tail-first landing or rear strike, look at the sensor from behind before the next flight. If it is no longer square to the airframe, check the bracket.