DJI Agras T100 OEM Quick-Release Rod (YC.JG.ZS004557)

DJI Agras T100 OEM Quick-Release Rod (YC.JG.ZS004557) — This is the quick-release rod in the spreading auger and boom assembly 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.ZS004557. Quick-Release Rod | Structural Component | DJI Agras T100 Spreading System | Field-Ready OEM Replacement Component.

DJI Material Number (SKU): YC.JG.ZS004557 — 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.ZS004557 — 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 Quick-Release Rod (YC.JG.ZS004557)
• OEM protective packaging

🔧 Component Overview

The DJI Agras T100 OEM Quick-Release Rod is the OEM quick-release rod in the spreading auger and boom assembly of the DJI Agras T100, part of the structure feeding granular material from the spread tank to the spinner at a controlled rate.

Feeding granular material from the spread tank to the spinner at a controlled rate is the job description for the spreading auger and boom assembly, 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 spreading auger and boom assembly is sized, shaped, and specified around that duty. On the official parts diagram it sits alongside Auger Motor Cover, Auger Motor, Screw (M40-HC01200120-072040-5103-Y).

Ignore a failing quick-release rod 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 spreading auger and boom assembly 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:

• Feeding granular material from the spread tank to the spinner at a controlled rate
• 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 spreading auger and boom assembly is opened up, and why operators who run hard keep spares on the shelf.

A healthy quick-release rod delivers:

• Factory-correct fit in the spreading auger and boom assembly — 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 quick-release rod before the season does its work, and the spreading auger and boom assembly never becomes the reason the aircraft sits.

Tool-free retention is convenient and it is also why this part wears. A quick-release rod is handled every time the section it captures comes apart, and on a granular machine that is daily rather than seasonal. Every insertion and withdrawal drags whatever dust is on the rod through the bore it passes into. Prill dust is abrasive, and urea and ammonium sulfate are hygroscopic on top of that: they pull moisture out of humid morning air, form a damp film in the joint, and go to work on the surfaces they are sitting against.

The rod is doing more than locating a part. With a full spread tank feeding the auger, and the aircraft accelerating, braking and turning at the end of every pass, it is the element holding that section in place against vibration and inertia. Wear at the outside of the rod and inside the bore is cumulative and shows up as free play at the joint, and free play in the boom line is where misalignment for the auger running inside it begins. What starts as a rattle finishes as an auger that is rubbing where it should be turning.

Confirming the rod rather than the hole it goes through is a direct comparison. Fit a new rod into the same bore and try the joint by hand. If the play goes away with the new rod, the old rod was worn and you have your answer. If the play is still there, the bore has elongated or the bracket has spread, and fitting a rod alone will not fix that joint. Do the test before ordering anything, because the two failures feel identical from the outside and cost very different amounts to put right.

Two more bench checks separate a worn rod from a damaged one. Roll the removed rod across a flat bench or a piece of glass and watch it: a bent rod rocks, and a bent rod means something was levered against it or the assembly took an impact while it was fitted. Then run a fingernail along its length. A polished band is normal wear. A step you can catch a nail on is a wear scar deep enough to matter, and that rod is finished regardless of how well it still slides.

⚙️ Functional Purpose

The quick-release rod is designed to do one job in the spreading auger and boom assembly and do it to specification: feeding granular material from the spread tank to the spinner at a controlled rate.

The component:

• Serves the spreading auger and boom assembly of the DJI Agras T100 exactly as the factory intends
• Supports feeding granular material from the spread tank to the spinner at a controlled rate
• 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: spreading system performance depends on the spreading auger and boom assembly, and the spreading auger and boom assembly 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 quick-release rod 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 spread tank and confirm the auger has stopped before anything is released. A partially loaded spreader will unload itself through an open joint, and cleaning granular fertilizer out of a boom, a motor cover, and the ground under the aircraft is a longer job than the one you started. Support the section the rod captures so it does not drop the moment the rod clears, and brush the loose dust off the rod and away from the bore mouth before you draw it all the way out.

Withdraw the rod straight. If it binds, stop and find out why rather than working the boom back and forth around it, because that is exactly how a bore becomes oval and a rod becomes bent. Dried product in the bore usually releases with water and patience; corrosion does not, and a rod that has corroded into its bore is telling you the joint has been going back together wet. Clean both the rod and the bore before the new rod goes anywhere near the hole.

Resist the instinct to pack the joint with grease. On a machine moving granular product, heavy grease captures prill dust and turns a sliding fit into a lapping compound that grinds the bore every time the rod moves. DJI does not specify a lubricant for this joint in the public parts breakdown, so clean and dry is the safer default unless your service documentation calls for something specific, in which case use that and use it thinly.

The failure mode with quick-release hardware is nearly home, because nearly home looks identical from three feet away. Push the rod fully through, confirm its retaining feature has engaged, and then try to pull the joint apart by hand before the aircraft leaves the bench. While you are in the boom assembly, look over the Auger Motor Cover for cracks at its fastener bosses, turn the Auger Motor by hand feeling for roughness or end play, and check Screw (M40-HC01200120-072040-5103-Y) and the bores the rod passes through.

⚠️ 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 spreading auger and boom assembly, document connections and hardware positions, swap the quick-release rod 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.ZS004557. Check the label on your old quick-release rod 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 rod that has become hard to insert or withdraw when it used to slide: packed product, corrosion in the bore, or a rod that has picked up a bend. None of those improve with use, and forcing a tight rod through a bore is what turns a cleaning job into a bracket job. Clean the bore, inspect the rod on a flat surface, and replace it if it rocks or shows a step.

A knock or rattle from the boom when the aircraft is set down, or an audible tick that comes and goes in flight: free play at the joint the rod is supposed to hold tight. Fit a new rod and see whether the play goes. Play that survives a new rod is telling you the bore or the bracket is the problem, and that is a different repair.

A rod that works its way back out, or a retaining feature that no longer snaps home: on a quick-release element the retention is the whole point, and once it stops holding reliably the part is finished. Packed prill dust kills a detent long before the rod body itself wears out, so clean it first, but a detent that stays soft after cleaning is a replacement.

A spread pattern that has shifted without anyone changing a rate or a setting: check the boom joint before recalibrating anything. A worn rod lets the section it captures sit slightly off where it was, and a spreading system that is aimed a little differently than it was last week will put product somewhere different too.

Pitting, dark staining, or a rough grey bloom on the rod after urea or ammonium sulfate work: that is fertilizer chemistry attacking the surface, and it happens fastest when the joint is put back together damp at the end of a day. A pitted rod grinds its own bore. Replace it and change the end-of-day routine that produced it.

📐 Specifications

DJI Material Number: YC.JG.ZS004557

Part: Quick-Release Rod

Type: OEM structural / mounting component

Compatibility:

• DJI Agras T100
• Position: the spreading auger and boom assembly
• Diagram sheet: Boom Assembly (official T100 parts list)

Quantity: 1

Installation Area: The spreading auger and boom assembly

Function: Feeding granular material from the spread tank to the spinner at a controlled rate

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

Application: DJI Agras T100 spreading system service and repair

Condition: Brand new

Dimensions and material: Not published by DJI in the public parts breakdown. Order by material number YC.JG.ZS004557 and compare the new rod against the removed one for length and end features before fitting. Diameter alone is not enough to identify a rod, because several similar rods appear across the aircraft at different positions.

Lubrication: No lubricant is specified for this joint in the public parts list. On a machine handling granular product, heavy grease captures prill dust and acts as a lapping compound in the bore. Clean and dry is the safer default unless your service documentation calls for a specific lubricant, applied thinly.

Retention check: A quick-release rod is only doing its job when it is fully home and its retaining feature has engaged. Confirm by hand before every flight, not by eye. Partial engagement looks correct at arm length and is the way this class of part actually fails.

🚜 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.

Operations that strip and wash the spreading system regularly, which is every operation running granular product seriously. The rod is the part being handled on every one of those cycles, so it accumulates wear on a schedule set by how often you clean rather than by how many acres you cover.

Post-season spreader teardown after a run of urea or ammonium sulfate. Those products leave residue that keeps working on metal for as long as it stays damp, and the rod is the item in the joint with the smallest section and the most sliding contact. Renew it while the assembly is apart for winter cleaning.

Re-commissioning a spreading system that has been stored loaded, stored damp, or left assembled through a wet off-season. Whatever was in the bore when it went away has had months to work, and a rod that binds on the first attempt is not a rod you want holding a boom section over a field.

💡 Why This Part Matters

Every acre the T100 covers depends on the spreading auger and boom assembly doing its job — and the spreading auger and boom assembly 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 quick-release rod 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 spreading system was engineered around — DJI material number YC.JG.ZS004557. No adaptation, no surprises, no second teardown to undo a near-fit part.

This component delivers:

• Factory-correct fit in the spreading auger and boom assembly — 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 quick-release rod, 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 quick-release rod in the USA with free, fast shipping — so the day you need one is the day it ships, not the week you wait.

A quick-release joint that has worn out its retention is a joint that can open. On a boom carrying an auger with a loaded tank feeding it, that is not a subtle failure and it is not one that gives much warning from the operator seat. The part costs very little against what it holds together, which is why the sensible policy is to replace a rod that rocks, steps, or pits rather than to run it and watch it.

The thing that retires this rod is chemistry as much as motion. Hygroscopic fertilizers pull water into the joint, the damp film sits between two metal surfaces that slide against each other, and the resulting pitting gives every future stroke of the rod something abrasive to work with. That is why end-of-day rinsing and drying does more for rod life than anything else, and why a rod that went away wet in November is usually the one that binds in March.

Handling and storage are worth a routine. Keep a spare rod with the machine rather than in a drawer in the shop, because the whole value of a quick-release element is that it can be dealt with in the field. Store the spreading assembly with its rods fitted and clean so they cannot go missing or get bent in a toolbox, and keep them labeled with the DJI material number so that similar rods from different positions never get swapped by mistake.

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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 Quick-Release Rod (YC.JG.ZS004557)

DJI material number: YC.JG.ZS004557

Component: Quick-Release Rod

Product category: Spreading System Parts

Compatible aircraft: DJI Agras T100

Installed position: The spreading auger and boom assembly

Primary function: Feeding granular material from the spread tank to the spinner at a controlled rate

Official DJI diagram sheet: Boom Assembly (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.ZS004557; DJI YC.JG.ZS004557; YC.JG.ZS004557 DJI Agras; DJI Agras T100 Quick-Release Rod; T100 Quick-Release Rod; DJI T100 quick-release rod replacement; DJI Agras Quick-Release Rod; Quick-Release Rod OEM; Quick-Release Rod replacement part

Definition: The Quick-Release Rod (DJI material number YC.JG.ZS004557) is the genuine DJI OEM component fitted at the spreading auger and boom assembly 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.ZS004557. 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 Quick-Release Rod? It is the OEM quick-release rod serving the spreading auger and boom assembly 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 Quick-Release Rod? The DJI material number is YC.JG.ZS004557, 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 quick-release rod 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.ZS004557 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 spreading auger and boom assembly, document connections and hardware positions, swap the quick-release rod 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 Auger Motor Cover, Auger Motor, Screw (M40-HC01200120-072040-5103-Y). 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 Quick-Release Rod (YC.JG.ZS004557) with free and fast U.S. shipping, plus same-day shipping and tracking on in-stock parts.

The joint has play. Do I need a new rod or a new bore?

Answer it with a part, not a guess. Fit a new rod into the same bore and work the joint by hand. If the play disappears, the old rod was worn and the repair is done. If the play is still there with a new rod in place, the bore has elongated or the bracket has spread and the rod is not your problem. The two feel the same from the outside and cost very different amounts to fix.

Can I substitute a bolt, a clevis pin, or a length of shop rod?

It will pass through the hole and it will still be the wrong part. A bolt turns a sliding fit into a threaded one and puts a head and a nut where the operator expects a handle, so the joint stops being quick-release and starts being a tool job in a field. Generic pins carry no defined retention feature and no known resistance to fertilizer chemistry. Order YC.JG.ZS004557 and keep the joint working the way it was designed to.

Should I grease the rod so it slides easily?

Not with heavy grease. On a machine moving granular product, grease traps prill dust and the joint effectively becomes a lapping compound that grinds its own bore every time the rod is moved. DJI does not specify a lubricant here in the public parts list. Clean the rod and the bore, keep them dry, and if your service documentation calls for a specific lubricant, use that one thinly rather than packing the joint.

How do I know the rod is properly seated before flight?

By hand, every time. Push it fully through, confirm the retaining feature has engaged, then try to pull the joint apart. Partial engagement is the characteristic failure of quick-release hardware because it looks completely normal from a few feet away and holds fine on the ground. A rod that snaps home crisply is doing its job; one that has to be persuaded needs its bore cleaned or itself replaced.

The old rod came out bent. What bends one?

Almost always leverage. A rod that binds and then gets the assembly worked back and forth around it takes the load in bending, and so does a rod that is fitted when the aircraft or spreader takes a knock. Before fitting a new rod, check the bores for an oval mouth and the bracket for spread, because whatever bent the rod usually left a mark on the parts around it as well.