DJI Agras T100 OEM Buckle Hook (YC.JG.QX004626)

DJI Agras T100 OEM Buckle Hook (YC.JG.QX004626) — This is the buckle hook in the weight sensing system of the DJI Agras T100. Structural and mounting parts like this one hold alignment for everything that bolts to them — and on an aircraft that works for a living, cracked mounts and worn structure never stay a cosmetic problem for long. DJI material number YC.JG.QX004626. Buckle Hook | Structural Component | DJI Agras T100 Payload Measurement System | Field-Ready OEM Replacement Component.

DJI Material Number (SKU): YC.JG.QX004626 — this is the official DJI part number for this exact component. Match it to your parts diagram or your old part's label to confirm fitment before ordering.

🇺🇸 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.

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.

✅ DJI Agras T100 Compatibility Guarantee

• 🇺🇸 USA Compatibility Guarantee
• 👍🏻 Satisfaction Guarantee
• 💵 Money Back Guarantee
• 📦 Same Day Shipping & Tracking
• DJI material number YC.JG.QX004626 — listed verbatim on the official DJI Agras T100 parts breakdown
• Supplier-listed fitment: DJI Agras T100
• Brand new condition — never installed, never flown

📦 Package Includes

• 1 × OEM Buckle Hook (YC.JG.QX004626)
• OEM protective packaging

🔧 Component Overview

The DJI Agras T100 OEM Buckle Hook is the OEM buckle hook in the weight sensing system of the DJI Agras T100, part of the structure weighing the payload in real time so the aircraft knows exactly what it is carrying.

Weighing the payload in real time so the aircraft knows exactly what it is carrying is the job description for the weight sensing system, and this component is part of how it gets done. The T100 is a working machine — it earns its keep in fill-and-fly cycles, not hangar hours — and every component in the weight sensing system is sized, shaped, and specified around that duty. On the official parts diagram it sits alongside Weight Sensor Signal Cable, Front Weight Sensor Module, Damping Rubber Pad.

Ignore a failing buckle hook and the bill compounds: downtime in the middle of an application window, collateral wear on the parts around it, and jobs that slip to a competitor while the aircraft sits. Replacing it costs a part; not replacing it costs acres. That trade only runs one direction.

For professional farmers, aerial applicators, and commercial drone operators, this component is how the weight sensing system stays field-ready instead of becoming the reason the aircraft sits.

This is a working part on a working aircraft.

The T100 works brutally hard for its living, including:

• Weighing the payload in real time so the aircraft knows exactly what it is carrying
• Dawn-to-dusk spray campaigns during narrow application windows
• Repeated fill-fly-return cycles with minutes on the ground between loads
• Full-payload takeoffs from field edges, dozens of times per day
• Chemical exposure from fungicides, herbicides, insecticides, and foliar fertilizers
• Pressure-washer rinse-downs at the end of every spray day
• Vibration from eight propulsion motors running at working power
• Transport bouncing on trailers and truck beds between fields
• Temperature swings from cold morning starts to full-sun afternoons

What attacks this component in the field:

• Vibration from the propulsion system every flight hour
• Chemical exposure from spray drift and washdown
• UV degradation across a season outdoors
• Shock loads from field-edge landings
• Grit and dust working into interfaces
• Thermal cycling from dawn starts to afternoon heat
• Stress concentration at mounting points
• Wear from repeated maintenance access

That duty cycle is exactly what retires this component. None of these stresses is dramatic on its own — the accumulation is what does it. This is why structural and mounting parts are inspection items every time the weight sensing system is opened up, and why operators who run hard keep spares on the shelf.

A healthy buckle hook delivers:

• Factory-correct fit in the weight sensing system — no modification, no adaptation
• Exact OEM behavior the surrounding components were engineered around
• Restored function you can verify on the first post-repair check
• Sealing and protection maintained to the factory standard
• One less known-weak point flying through your application window
• Confidence that the repair is done, not patched
• A maintenance log entry with a real DJI part number behind it
• Full compatibility with the parts around it — because it is the part the diagram calls for

Stock the buckle hook before the season does its work, and the weight sensing system never becomes the reason the aircraft sits.

The thing to understand about this part is that it sits in a measurement path, not just a mounting. Anything in a weighing load path that binds, rubs, or takes load off-axis changes the number the aircraft ends up with. A buckle hook that has worn a flat where it bears, or that has picked up enough dried product to stop seating the same way twice, does not fail loudly. It produces a payload figure that is repeatable in the wrong direction, and a wrong number that looks steady is harder to catch than one that jumps.

That number does more work than the tank gauge on the screen. It is how the aircraft knows what it lifted, how much is left partway through a pass, and how much margin it has at the end of a load. A reading that comes out low invites an overload nobody intended; a reading that comes out high shortens every load and quietly costs acres across a day. Neither of those arrives as a fault code, which is exactly why the mechanical half of the load path gets inspected by hand rather than trusted.

Separating the hook from the sensor module is a repeatability test and it needs no tools. With the aircraft level and the payload consistent, note the indicated weight, then unlatch and re-latch and read it again, several times over. A sound load path returns close to the same number each time. A hook that is bent, worn, or seating inconsistently gives you scatter that shifts with every re-latch. Scatter on re-latch is mechanical. A steady offset that never changes no matter how many times you re-latch points at zero and calibration instead.

Two more checks narrow it further. Push the load gently sideways and let it settle, then lift slightly and let it back down: the reading should come back to where it was, and a reading that sticks until you nudge it is friction somewhere in the load path. Then look for witness marks — a bright rub spot where the hook contacts structure it is not meant to touch means part of the payload is being shunted around the sensing element instead of through it, and no amount of recalibration fixes that.

⚙️ Functional Purpose

The buckle hook is designed to do one job in the weight sensing system and do it to specification: weighing the payload in real time so the aircraft knows exactly what it is carrying.

The component:

• Serves the weight sensing system of the DJI Agras T100 exactly as the factory intends
• Supports weighing the payload in real time so the aircraft knows exactly what it is carrying
• Maintains the tolerances and interfaces the surrounding parts depend on
• Withstands the chemical, vibration, and washdown environment of agricultural work
• Preserves the sealing and protection strategy of the platform
• Keeps failure modes visible and diagnosable instead of mysterious
• Restores factory behavior immediately upon correct installation
• Protects the more expensive components it works alongside
• Carries the exact DJI specification for its position
• Supports safe, predictable operation under full payload
• Eliminates the guesswork of near-fit substitutes
• Keeps the aircraft inside its designed maintenance program
• Holds up across a full season of professional duty

Function on the T100 is a chain: payload measurement system performance depends on the weight sensing system, and the weight sensing system depends on every part in it holding specification. This component is one link in that chain — and chains fail at the worn link, not the average one.

That is why the platform's maintenance philosophy is inspection and renewal, not run-to-failure. The operators with the best uptime records are not the ones with the newest aircraft — they are the ones who replace parts like this when inspection says so, on their own schedule instead of the failure's.

A failing buckle hook costs you:

• Downtime in the middle of an application window — the most expensive hours in agriculture
• Acres not covered while the aircraft waits on a part
• Collateral wear on the components around the failing one
• Diagnostic hours chasing symptoms instead of causes
• Rework when a temporary fix lets go mid-job
• Customer trust when scheduled work slips
• Higher repair bills the longer the fault runs
• Risk exposure every flight the fault remains aboard
• Resale value on an airframe with deferred maintenance

Fix it on your schedule, not the failure's.

Empty the payload completely and take it off before anything in the load path is disturbed. Working on a weight sensing component with load still on it is how a hook gets bent and how a sensing element gets a shock it was never rated for. The hook is not a lifting point, not a tie-down, and not a lever: do not hang the aircraft from it, do not use it to drag a tank into position, and do not brace a screwdriver against the sensor module body to persuade the latch.

Fasteners in a measurement path matter more than fasteners elsewhere. Uneven or over-tightened hardware puts a preload into the structure the sensing element is reading through, and that preload shows up as an offset in every weight the aircraft reports afterwards. Bring the fasteners up evenly and in stages. DJI does not publish a tightening torque for this position in the public parts breakdown, so take the figure from your service documentation rather than improvising one on a part whose whole job is accuracy.

After any work in the load path, run the DJI weight sensing calibration procedure before flying anything that meters by payload. Then check it against reality: put a load aboard that you have actually weighed and compare it to what the aircraft reports. A hook replacement that is not followed by a calibration leaves you with a machine that is mechanically correct and numerically wrong, and the numbers are the reason the part exists.

While the assembly is open, work the rest of the sheet. Check the Weight Sensor Signal Cable for chafe where it crosses structure, for green corrosion inside the connector shell, and for a strain relief that has been pulled loose. Look at the Front Weight Sensor Module for corrosion, cracking, or a mounting face that has been distorted. Press the Damping Rubber Pad and see whether it rebounds, since a pad that has taken a set changes how the assembly sits, and check the receiver the hook engages for wear that mirrors the hook.

⚠️ Common Replacement Indicators

• Visible cracking, deformation, or impact damage
• Stress-whitening at load points
• Loose fit where the part should seat firmly
• Movement or rattle the design does not allow
• Wear marks from parts contacting where they should not
• Fastener holes elongated or damaged
• Chemical or UV degradation of the material
• Damage found during teardown of the assembly
• Misalignment of the components this part positions
• Noise or vibration traced to this position
• Damage after a hard landing or transport strike
• Previous field repair with tape, glue, or improvisation

What kills structural and mounting parts: the compounding of ordinary duty. Chemical exposure attacks materials, vibration works at every interface, UV ages every exposed surface, and washdowns drive water at every seam — repeated across hundreds of cycles per season. Add the occasional hard landing or transport knock and the result is predictable: the part that was fine in spring is the failure point by late season.

Replacement and verification: Replacement is a standard shop task on the T100: open access to the weight sensing system, document connections and hardware positions, swap the buckle hook for the OEM unit, and reassemble with attention to seating, routing, and torque. Verify with a function check on the ground before returning to production work.

Confirm before you order: this is DJI part YC.JG.QX004626. Check the label on your old buckle hook or the position in your official parts diagram and match the number — revision suffixes like .01 or .F on a label are the same part.

A payload weight that scatters when you unlatch and re-latch the same load: the mechanical half of the load path is not repeating, and the hook is the first thing to check because it is the part being moved every cycle. Clean it, look for a wear flat and a bent throat, and re-run the test with a new hook before anyone considers a sensor module.

A nonzero or negative reading with the payload removed: something is preloading or binding the load path. Look for dried product bridging the hook to structure around it, for a hook resting against something it should clear, and for a fastener that has been pulled up hard on one side. A load path that cannot find zero empty will not find the truth loaded either.

A reading that sticks and then jumps when you nudge the aircraft or the load: friction rather than electronics. Something in the path is gripping and then releasing, and a hook with a rough wear scar or a crust of dried fertilizer or spray residue is the usual reason. It will read low while it is stuck and correct itself the moment the aircraft is bumped, which makes it look like an intermittent sensor.

A bright rub mark on the hook or a matching polished patch on the structure beside it: the hook is being side-loaded and part of the payload is bypassing the sensing element. This one is worth finding early, because it produces an error that is stable enough to be mistaken for a calibration problem and comes straight back after every recalibration.

A reading that changes when you wiggle the harness rather than when you re-latch the hook: that is the Weight Sensor Signal Cable or its connector, not this part. It is worth stating plainly, because dropouts and noise get blamed on the mechanical parts routinely, and the discriminator is simply which thing you have to move to make the reading misbehave.

📐 Specifications

DJI Material Number: YC.JG.QX004626

Part: Buckle Hook

Type: OEM structural / mounting component

Compatibility:

• DJI Agras T100
• Position: the weight sensing system
• Diagram sheet: Weight Sensor Module (official T100 parts list)

Quantity: 1

Installation Area: The weight sensing system

Function: Weighing the payload in real time so the aircraft knows exactly what it is carrying

Construction: DJI OEM molded or machined component manufactured to factory dimensions

Application: DJI Agras T100 payload measurement system service and repair

Condition: Brand new

Dimensions and load rating: Not published by DJI in the public parts breakdown. Order by material number YC.JG.QX004626 and compare the new hook against the removed one for throat opening, bearing face, and mounting pattern before fitting. Do not judge fit from photographs of similar hooks elsewhere on the aircraft.

Calibration after replacement: Any work inside the load path can move the zero. Run the DJI weight sensing calibration procedure after refit, then confirm against a load you have separately weighed, before flying a job that meters by payload.

Not a lifting or tie-down point: The hook is part of a measurement path. Using it to lift the aircraft, to lever a tank into place, or to restrain a load in transport applies forces the sensing path was never meant to carry, and the resulting damage is often invisible.

🚜 Necessary For

Built for:

• Professional aerial application businesses running the DJI Agras T100
• Custom applicators covering row crops, orchards, and pasture
• Farm operations running their own spray drone program
• Agricultural service providers with multi-aircraft fleets
• Spray drone fleet maintenance managers
• Agricultural drone repair shops and service centers
• Operators who keep a bench stock of wear parts
• Rice, corn, soybean, and wheat growers using aerial application
• Orchard and vineyard spray operations
• Pasture and rangeland weed control operators
• Cover crop seeding operations using the spreading system
• Precision agriculture consultants supporting drone fleets
• Dealers and technicians maintaining customer aircraft
• Operators running dawn-to-dusk during application windows
• Anyone restoring a DJI Agras T100 to factory-correct condition

Especially valuable during:

• Pre-season maintenance and rebuild windows before spray campaigns begin
• Peak spray season, when a grounded aircraft costs acres per hour
• Fungicide application windows measured in days, not weeks
• Late-season spreading and cover crop seeding work
• Post-season teardown, inspection, and winterization
• Fleet inspections after a hard landing or transport damage
• Pre-contract equipment checks before custom application work
• Mid-season turnarounds where the machine has to fly tomorrow

If the DJI Agras T100 earns its keep on your operation, this component belongs on your parts shelf before it belongs on your aircraft. The time to buy it is before the season, not during the failure.

Restoring payload accuracy after a tank has been dropped onto its latches, slammed home, or loaded while the aircraft was sitting on uneven ground. Shock into the load path is the event most likely to bend a hook throat, and a bent throat is the failure that reads as a calibration problem for weeks before anyone looks at the hardware.

Diagnosing weight readings before a sensor module goes on the order. The hook is the cheapest item in the measurement chain and the only one you can examine with your hands and a light, which makes ruling it in or out the first sensible move rather than the last one after the expensive parts have already been swapped.

Pre-season service on the load path, where the aim is a machine that reports the truth for a whole campaign. Clean hardware, an unworn hook, an intact signal cable, and a fresh calibration together buy you a payload number you can plan around instead of one you have learned to mentally adjust.

💡 Why This Part Matters

Every acre the T100 covers depends on the weight sensing system doing its job — and the weight sensing system depends on parts exactly like this one.

The economics are simple. The DJI Agras T100 exists to cover ground during windows that do not wait — and every hour it sits, the work either doesn't happen or happens on someone else's schedule. A failed buckle hook is rarely expensive because of what the part costs; it is expensive because of when it fails. Parts fail during use, and use happens during the season.

That is the case for OEM and the case for stocking ahead. The OEM component fits the first time, behaves the way the platform expects, and carries the exact specification the payload measurement system was engineered around — DJI material number YC.JG.QX004626. No adaptation, no surprises, no second teardown to undo a near-fit part.

This component delivers:

• Factory-correct fit in the weight sensing system — no modification, no adaptation
• Exact OEM behavior the surrounding components were engineered around
• Restored function you can verify on the first post-repair check
• Sealing and protection maintained to the factory standard
• One less known-weak point flying through your application window
• Confidence that the repair is done, not patched
• A maintenance log entry with a real DJI part number behind it
• Full compatibility with the parts around it — because it is the part the diagram calls for

Running a compromised buckle hook, operators risk:

• Mid-job failure during an application window
• Collateral damage to surrounding components
• Progressive damage that turns a cheap fix into an expensive one
• Alignment and fit problems spreading to adjacent parts
• Unplanned grounding with the fleet committed to jobs
• Warranty and service complications from improvised fixes
• Higher lifetime cost from deferred maintenance
• An aircraft that cannot be trusted at full payload

Inspect it honestly. Replace it once. Fit it right. Keep it flying.

Ares Acres stocks the buckle hook in the USA with free, fast shipping — so the day you need one is the day it ships, not the week you wait.

The value of this part is out of all proportion to what it costs, because everything downstream is arithmetic on top of it. A hook that seats differently every time makes the weight sensing system honest but useless: the sensor reports what it feels, and what it feels is not the whole payload. That is why a wandering weight reading should send you to the mechanical parts first, and why the correct answer to a hook with a wear flat or a rub mark is a new hook rather than another calibration.

It is also why the near-enough hook from a hardware store is a genuinely bad idea. Hook geometry decides where load bears and at what angle it enters the sensing path, so a substitute of roughly the same shape moves the bearing point and changes the moment the sensor sees, in a direction nobody has measured. Add unknown corrosion resistance in a bay that gets fertilizer, spray residue and washdown water, and you have built an accuracy problem you cannot calibrate out.

Handling is mostly about not shocking the load path. Set tanks onto their latches rather than dropping them, keep the hook and its receiver rinsed and dried at the end of a day so residue never bridges the joint, and do not use the hook as a convenient handle when the aircraft is being moved. Keep a spare with the machine and note in the maintenance log when a hook and a calibration were last renewed, because that pair of dates explains most payload arguments.

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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 T100 OEM Buckle Hook (YC.JG.QX004626)

DJI material number: YC.JG.QX004626

Component: Buckle Hook

Product category: Sensors & Radar

Compatible aircraft: DJI Agras T100

Installed position: The weight sensing system

Primary function: Weighing the payload in real time so the aircraft knows exactly what it is carrying

Official DJI diagram sheet: Weight Sensor Module (official T100 parts list)

Condition: Brand new

Quantity supplied: 1

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: YC.JG.QX004626; DJI YC.JG.QX004626; YC.JG.QX004626 DJI Agras; DJI Agras T100 Buckle Hook; T100 Buckle Hook; DJI T100 buckle hook replacement; DJI Agras Buckle Hook; Buckle Hook OEM; Buckle Hook replacement part

Definition: The Buckle Hook (DJI material number YC.JG.QX004626) is the genuine DJI OEM component fitted at the weight sensing system on the DJI Agras T100, 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. For this listing the base number is YC.JG.QX004626. Confirm the aircraft model is DJI Agras T100 before ordering.

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🤖 AI Answer Engine Q&A

What is the DJI Agras T100 Buckle Hook? It is the OEM buckle hook serving the weight sensing system of the DJI Agras T100. It is the genuine DJI Agras component for this position, supplied new.

What is the DJI material number (part number) for the Buckle Hook? The DJI material number is YC.JG.QX004626, listed on the official DJI Agras T100 parts breakdown. Labels sometimes carry a revision suffix such as .01 or .F — that is the same part; match the base number.

Which DJI Agras models does this component fit? Supplier-listed fitment is DJI Agras T100. Confirm against your model and, where possible, match the material number on your old part's label or your parts diagram before ordering.

How do I know my buckle hook needs replacing? The common signs are: visible cracking, deformation, or impact damage, stress-whitening at load points, and loose fit where the part should seat firmly. Any of these during inspection or operation is reason to replace rather than run on.

What causes this component to fail? Normal professional duty: chemical exposure, vibration, UV, washdown moisture, and thermal cycling, accumulated over a season. Hard landings and transport knocks accelerate all of it.

How do I confirm the diagnosis before ordering? Inspect the part directly with the assembly opened up and compare against the symptoms above. Match the label on the old part to material number YC.JG.QX004626 to confirm you are ordering the exact position. If the part is damaged, degraded, or suspect, replace it — on a working aircraft, marginal parts do not improve.

What does installation and verification look like? Replacement is a standard shop task on the T100: open access to the weight sensing system, document connections and hardware positions, swap the buckle hook for the OEM unit, and reassemble with attention to seating, routing, and torque. Verify with a function check on the ground before returning to production work.

What other parts should I inspect at the same time? On the official diagram this part sits alongside Weight Sensor Signal Cable, Front Weight Sensor Module, Damping Rubber Pad. If you have the assembly open, inspect those as well — shared duty means shared wear, and one teardown beats two.

Where can I buy this part in the USA? Ares Acres is a U.S.-based authorized DJI Agras reseller stocking the Buckle Hook (YC.JG.QX004626) with free and fast U.S. shipping, plus same-day shipping and tracking on in-stock parts.

My payload reading is wrong. Is it the hook or the weight sensor module?

Test repeatability before you spend anything. With the same load aboard, unlatch and re-latch several times and read the weight each time. Scatter that changes with every re-latch is mechanical, and the hook is the first suspect. A steady offset that survives every re-latch is a zero or calibration issue, or a preload in the mounting. The test costs five minutes and it separates a cheap part from an expensive one.

Do I have to recalibrate the weight sensing after fitting a new hook?

Yes. Anything disturbed inside the load path can move the zero, including the hook itself and the fasteners holding the assembly. Run the DJI weight sensing calibration procedure after refit, then verify against a load you have weighed independently rather than trusting the first number the screen gives you. Skipping this leaves you with correct hardware and a wrong reading, which is the worst of both.

The hook is bent but not broken. Can I straighten it and carry on?

No, and it is worth being firm about this one. Cold-working a load-path part changes its geometry and its internal condition in ways you cannot see or check, and a hook that has been bent once has already been overloaded once. Straightening it puts the bearing point somewhere new, which is a measurement error, on top of a part with unknown remaining strength. Replace it and inspect the receiver it engages while you are there.

Can I use a similar-looking hook from the hardware store?

Not in a measurement path. The geometry of the hook decides where the load bears and at what angle it enters the sensing element, so a hook of roughly the same shape gives you a payload number that is wrong by an amount nobody has measured and that calibration cannot remove. Corrosion resistance in a bay full of fertilizer residue and washdown water is the second problem. Order by YC.JG.QX004626.

The weight reads a little off but always by the same amount. Is that the hook?

Probably not. A consistent offset that does not change when you unlatch and re-latch usually means zero has drifted, the assembly is preloaded by uneven fastener torque, or something is resting in the load path that should not be. Look for dried product bridging the hook to nearby structure, check the fasteners are even, then recalibrate. Save the hook for when the reading scatters rather than sits still.