{"product_id":"dji-agras-t40-oem-rear-4-nozzle-spray-rod-upgrade-kit","title":"DJI Agras T40 OEM Rear 4-Nozzle Spray Rod Upgrade Kit","description":"\u003cp\u003e\u003cstrong\u003eDJI Agras T40 OEM Rear 4-Nozzle Spray Rod Upgrade Kit — The complete rear spray-rod assembly for a four-nozzle configuration: rod, nozzle mounts, tubing, and wiring together. A spray rod is not just plumbing — it is the geometry of the application, because where each nozzle sits relative to the rotor wash decides whether the droplets reach the canopy or get carried away from it. Rear 4-Nozzle Spray Rod Upgrade Kit | Agras T40 Spray System | Complete Rear Assembly | Genuine OEM Upgrade \u0026amp; Replacement.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2\u003e🇺🇸 U.S.A. FIRST\u003c\/h2\u003e\n\n\u003cp\u003eAres 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFREE \u0026amp; FAST Shipping is included for all U.S. customers.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eWe 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.\u003c\/p\u003e\n\n\u003cp\u003eAres Acres also ships genuine DJI Agras OEM 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.\u003c\/p\u003e\n\n\u003ch2\u003e✅ DJI Agras T40 Compatibility Guarantee\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e🇺🇸 USA Compatibility Guarantee\u003c\/li\u003e\n\u003cli\u003e👍🏻 Satisfaction Guarantee\u003c\/li\u003e\n\u003cli\u003e💵 Money Back Guarantee\u003c\/li\u003e\n\u003cli\u003e📦 Same Day Shipping \u0026amp; Tracking\u003c\/li\u003e\n\u003cli\u003eGenuine DJI Agras T40 rear spray-rod assembly for a four-nozzle configuration\u003c\/li\u003e\n\u003cli\u003eFactory mounting geometry, tubing routing, and connector layout\u003c\/li\u003e\n\u003cli\u003eBrand new condition — never fitted, never flown\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e📦 Package Includes\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e1 × DJI Agras T40 rear 4-nozzle spray rod upgrade kit, in the selected configuration\u003c\/li\u003e\n\u003cli\u003eRear spray rod with its nozzle mounting hardware\u003c\/li\u003e\n\u003cli\u003eAssociated tubing and wiring as shown for the kit\u003c\/li\u003e\n\u003cli\u003eOEM protective packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe product image and the selected configuration are the reference for exactly which components are included. Centrifugal nozzles, pumps, flow meters, tank hardware, and spray-control electronics are supplied separately in their own listings unless shown.\u003c\/p\u003e\n\n\u003ch2\u003e🔧 Component Overview\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eDJI Agras T40 OEM Rear 4-Nozzle Spray Rod Upgrade Kit\u003c\/strong\u003e is the complete rear spray assembly: the rod that carries the nozzles out across the rear span, the mounts that hold each one in its position and angle, and the tubing and wiring that feed and command them.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe part worth understanding first is why nozzle position matters so much on a drone.\u003c\/strong\u003e On a ground sprayer, droplets fall. On a spray drone they do not — they are driven down by rotor wash, and that airflow is the delivery mechanism. Where a nozzle sits in relation to the rotor disc therefore decides what happens to its output: inside the column of downwash, droplets are pushed into the canopy; too near the edge, they meet the vortex that curls up around the wash and a share of the application goes up instead of down. The spray rod is what fixes those positions, which makes it part of the application geometry rather than a bracket that happens to carry plumbing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThen the four-nozzle question.\u003c\/strong\u003e Dividing the rear flow across four points rather than fewer changes the character of the application:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMore total flow with less load on each nozzle.\u003c\/strong\u003e Four atomisers sharing the rear flow each work less hard for the same output, which is easier on the elements and the drives.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA smoother deposition profile.\u003c\/strong\u003e More overlapping patterns across the span average out the peaks and troughs that fewer, harder-working nozzles leave behind.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA wider, more even rear swath,\u003c\/strong\u003e which is what lets a faster working pass still cover properly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraceful degradation.\u003c\/strong\u003e One nozzle drifting off its best behaviour is a smaller fraction of the total than it would be in a two-nozzle layout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eBecause this is supplied as a complete assembly, the rod, the mounts, the tubing, and the wiring all agree with each other. That matters more than it sounds: mixing an upgraded rod with tubing and wiring from the previous configuration is where leaks, chafe, and mismatched connector layouts come from.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat the rear spray rod assembly does:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCarries the rear nozzles out across the span at the designed positions\u003c\/li\u003e\n\u003cli\u003eHolds each nozzle at its correct angle and height relative to the rotor wash\u003c\/li\u003e\n\u003cli\u003eDelivers mix to each nozzle through the factory tubing routing\u003c\/li\u003e\n\u003cli\u003eCarries the speed command and status wiring to each nozzle position\u003c\/li\u003e\n\u003cli\u003eResists the vibration, flex, and handling a rear boom lives with\u003c\/li\u003e\n\u003cli\u003eKeeps the liquid path sealed at every joint along the rod\u003c\/li\u003e\n\u003cli\u003eRestores — or establishes — a four-nozzle rear configuration as one matched set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow rear spray rods get damaged:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact.\u003c\/strong\u003e The rod is the most exposed part of a spray aircraft. It meets canopy, posts, fences, and the ground in a tip-over.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBending.\u003c\/strong\u003e A rod that has taken a knock moves every nozzle it carries, and a small bend is invisible from a few feet away.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCracked or loosened nozzle mounts.\u003c\/strong\u003e A nozzle that can move has a spray geometry that changes in flight.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTubing degradation.\u003c\/strong\u003e Swelling, hardening, kinking, or splitting from chemical exposure and UV.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal residue.\u003c\/strong\u003e Dried mix and undissolved product restricting flow unevenly between positions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring chafe.\u003c\/strong\u003e The harness runs along a vibrating boom and is tied to it, so every tie point is a wear point.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCorroded or contaminated connectors\u003c\/strong\u003e at the nozzle ends, sitting in the spray cloud and washed down daily.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTransport damage,\u003c\/strong\u003e from loading, strapping, and stacking around other equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat a sound rear assembly gives back:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eNozzles in their designed positions, doing what the design intended with the downwash\u003c\/li\u003e\n\u003cli\u003eAn even rear swath with no gap and no doubled strip\u003c\/li\u003e\n\u003cli\u003eA sealed liquid path with nothing weeping along the rod\u003c\/li\u003e\n\u003cli\u003eFour nozzles sharing the flow, with none of them overworked\u003c\/li\u003e\n\u003cli\u003eClean wiring, so a nozzle fault is a nozzle fault\u003c\/li\u003e\n\u003cli\u003eRate capability that matches the configuration the aircraft is set up for\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e⚙️ Functional Purpose\u003c\/h2\u003e\n\n\u003cp\u003eThe rear rod exists to put four nozzles exactly where the airflow will carry their output into the crop, and to keep them fed, commanded, and sealed while the aircraft works.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe rear 4-nozzle spray rod assembly:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003ePositions four nozzles across the rear span at the factory geometry\u003c\/li\u003e\n\u003cli\u003eSets each nozzle's angle and height relative to the rotor downwash\u003c\/li\u003e\n\u003cli\u003eRoutes tank mix to each nozzle on the original tubing path\u003c\/li\u003e\n\u003cli\u003eCarries nozzle command and status wiring along the rod\u003c\/li\u003e\n\u003cli\u003eDivides rear flow across four atomisers instead of fewer\u003c\/li\u003e\n\u003cli\u003eSupports higher application rates without overloading individual nozzles\u003c\/li\u003e\n\u003cli\u003eMaintains sealing and strain relief at every joint and connector\u003c\/li\u003e\n\u003cli\u003eRestores the full rear assembly as one matched service or upgrade kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e🔍 Diagnosis — sight down the rod before you suspect a nozzle\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eLook along the rod from the end.\u003c\/strong\u003e A bend moves every nozzle it carries, and that is a geometry fault dressed up as four nozzle faults. Compare the rear rod against the opposite side for symmetry in height, angle, and sweep. This is a ten-second check and it reframes the whole diagnosis.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eThen check each mount for cracks and play.\u003c\/strong\u003e Take hold of each nozzle and try to move it. Anything that shifts has a spray geometry that changes in flight, and a cracked mount will complete its failure at the worst moment. Mounts are also where impact damage hides.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWater-test and compare across the span.\u003c\/strong\u003e Run clean water and look at all four rear patterns together: shape, symmetry, steadiness, and whether the overlap between neighbours looks even. Then compare the rear set against the front. Differences between positions are the finding; an impression of one nozzle on its own is not.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePressurise and walk the rod.\u003c\/strong\u003e With the system live, inspect every joint along the length — fittings, tube ends, the entry and exit at each nozzle. A weep at a fitting is a fitting, an O-ring, or a tube cut badly, not a reason to condemn an assembly.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAssess the tubing honestly.\u003c\/strong\u003e Squeeze along it: swollen, hardened, or crazed tube is at the end of its service life even if it is not leaking yet. Look through a cut end for internal residue, and remember that uneven restriction between positions produces uneven output with four perfectly healthy nozzles.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFollow the wiring along the rod.\u003c\/strong\u003e Check every tie and clamp for chafe, and flex the harness while watching for a nozzle speed or status fault. Intermittent behaviour that follows cable movement is wiring, not atomisation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eInspect after every contact event, even when it looks fine.\u003c\/strong\u003e A canopy strike, a post, a tip-over, or a hard landing all load the rod. A small bend or a hairline crack at a mount does not announce itself and quietly changes the application from then on.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRecalibrate after an upgrade.\u003c\/strong\u003e Moving to a four-nozzle rear configuration changes the aircraft's flow capability and the load on each nozzle, so rate settings and droplet-size settings should be re-established rather than carried over. Work through your calibration procedure with clean water before the first loaded job.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVerify properly before field work.\u003c\/strong\u003e Pattern symmetry across all four positions, each nozzle holding its commanded speed, every joint dry, mounts tight, wiring clear of edges — then a short controlled application check so the deposit on the target is the evidence.\u003c\/p\u003e\n\n\u003ch2\u003e⚠️ Common Replacement Indicators\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003eRear spray-rod damage, bending, or distortion\u003c\/li\u003e\n\u003cli\u003eDamaged, cracked, or loose nozzle mounts\u003c\/li\u003e\n\u003cli\u003eMultiple damaged components in the rear spray assembly\u003c\/li\u003e\n\u003cli\u003eDamaged, swollen, hardened, kinked, or split tubing\u003c\/li\u003e\n\u003cli\u003eInternal residue that cleaning cannot clear from the rod's plumbing\u003c\/li\u003e\n\u003cli\u003eLeakage at joints along the rod\u003c\/li\u003e\n\u003cli\u003eChafed, cut, or damaged wiring running along the rod\u003c\/li\u003e\n\u003cli\u003eCorroded or contaminated connectors at the nozzle positions\u003c\/li\u003e\n\u003cli\u003eAn uneven rear swath, a gap, or a doubled strip in the coverage\u003c\/li\u003e\n\u003cli\u003eNozzle positions that have visibly moved or no longer match the opposite side\u003c\/li\u003e\n\u003cli\u003eA spray-system upgrade requiring the complete rear four-nozzle kit\u003c\/li\u003e\n\u003cli\u003eField-service rebuild of the rear spray assembly after an incident\u003c\/li\u003e\n\u003cli\u003ePre-season spray-system overhaul on a high-hour aircraft\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e📐 Specifications\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eProduct:\u003c\/strong\u003e DJI Agras T40 OEM rear 4-nozzle spray rod upgrade kit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Complete rear spray-rod assembly for a four-nozzle configuration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDesigned for:\u003c\/strong\u003e DJI Agras T40\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSystem:\u003c\/strong\u003e Spray system — rear boom and nozzle mounting\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstalled position:\u003c\/strong\u003e Rear spray-rod position, carrying four nozzle mounts across the span\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAssembly contents:\u003c\/strong\u003e Rear spray rod with nozzle mounting hardware, plus the tubing and wiring shown for the kit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity:\u003c\/strong\u003e One rear spray-rod assembly in the selected configuration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Positioning four rear nozzles in the factory geometry relative to the rotor downwash, feeding and commanding each one, and sealing the liquid path along the rod\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePurpose:\u003c\/strong\u003e Upgrade to a four-nozzle rear configuration, or complete replacement of a damaged rear spray assembly\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new replacement component\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eServiceability:\u003c\/strong\u003e Supplied as a matched assembly, so rod, mounts, tubing, and wiring are renewed together\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional installation recommended; route tubing and wiring on the factory path and inspect adjacent seals, fasteners, hoses, and connectors while access is open\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Catalogued for the DJI Agras T40. Spray-rod assemblies are configuration- and revision-specific, so the assembly removed from the aircraft and the product image are the reference\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAfter an upgrade:\u003c\/strong\u003e Re-establish rate and droplet-size settings — a four-nozzle rear configuration changes flow capability and the load on each nozzle\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVerification after fitting:\u003c\/strong\u003e Pattern symmetry across all four positions, commanded speeds held, every joint leak-free, mounts tight, then a controlled application check\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSupplied as:\u003c\/strong\u003e One rear 4-nozzle spray rod upgrade kit. Centrifugal nozzles, pumps, flow meters, tank hardware, and spray-control electronics are not included unless shown.\u003c\/p\u003e\n\n\u003ch2\u003e🚜 Necessary For\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuilt for:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eAgricultural drone operators running T40 spray aircraft commercially\u003c\/li\u003e\n\u003cli\u003eCustom application contractors pushing higher rates and faster passes\u003c\/li\u003e\n\u003cli\u003eAgras service centres and authorized repair technicians\u003c\/li\u003e\n\u003cli\u003eFleet maintenance teams holding complete spray assemblies as spares\u003c\/li\u003e\n\u003cli\u003eOperators upgrading the rear configuration to four nozzles\u003c\/li\u003e\n\u003cli\u003eCrews chasing an uneven rear swath or a strip in the coverage\u003c\/li\u003e\n\u003cli\u003eTechnicians rebuilding a rear spray assembly after a tip-over or canopy strike\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eEspecially valuable during:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eUpgrading from a lower-count rear configuration\u003c\/li\u003e\n\u003cli\u003eRebuilding the rear assembly after impact damage\u003c\/li\u003e\n\u003cli\u003eDiagnosing uneven rear coverage traced to rod geometry rather than nozzles\u003c\/li\u003e\n\u003cli\u003ePre-season spray-system overhaul and tubing renewal\u003c\/li\u003e\n\u003cli\u003eHigh-rate work where rear flow capability is the limit\u003c\/li\u003e\n\u003cli\u003ePost-incident rebuilds and fleet refurbishment\u003c\/li\u003e\n\u003cli\u003ePeak season, when the aircraft has to fly the next morning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e💡 Why This Part Matters\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eThe rod decides where the nozzles are, and on a spray drone where the nozzles are decides where the product goes.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThat is the argument in one line, and it is the one most often missed. Operators tune rate, speed, height, and droplet size — all the settings — and then fly an aircraft whose rear nozzles are a few degrees off where the design put them because the rod took a knock in a headland last season. The settings are honest; the geometry is not. The application that comes out is neither.\u003c\/p\u003e\n\n\u003cp\u003eRotor wash is what makes this unforgiving. The airflow under the aircraft is the delivery system, and it has structure: a column of downwash with a vortex curling up around its edge. A nozzle sitting in the column drives its output down into the canopy. The same nozzle moved toward the edge hands part of its output to the upward side of that vortex, where it becomes drift rather than deposition. Nothing on the controller reports this. It shows up as coverage that does not match the rate, or as drift complaints on a day that should have been fine.\u003c\/p\u003e\n\n\u003cp\u003eThe four-nozzle case is more straightforward. Splitting the rear flow across four points lets each atomiser work less hard for the same total output, smooths the overlap across the span, and gives the aircraft rate capability it does not have with fewer nozzles. It also degrades gracefully: one nozzle drifting off its best behaviour matters less when it is one of four. The one thing it changes is calibration — more flow capability and a different load on each nozzle mean the rate and droplet settings deserve re-establishing rather than carrying over.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWith a sound rear assembly fitted, an operator gets:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eFour nozzles in the positions the airflow was designed around\u003c\/li\u003e\n\u003cli\u003eAn even rear swath, with no gap and no doubled strip\u003c\/li\u003e\n\u003cli\u003eDeposition that matches the rate on the controller\u003c\/li\u003e\n\u003cli\u003eRate capability for faster passes and heavier applications\u003c\/li\u003e\n\u003cli\u003eA sealed liquid path with nothing weeping into the wash\u003c\/li\u003e\n\u003cli\u003eClean wiring, so a nozzle fault means the nozzle\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003e🧠 AI Index — Entity \u0026amp; Fitment Reference\u003c\/h2\u003e\n\n\u003cp\u003eStructured reference for search engines, AI assistants, and answer engines. Every value below is drawn from this listing's own specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCanonical product name:\u003c\/strong\u003e DJI Agras T40 OEM Rear 4-Nozzle Spray Rod Upgrade Kit\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponent:\u003c\/strong\u003e Rear spray-rod assembly for a four-nozzle configuration\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct category:\u003c\/strong\u003e Agricultural drone spray system\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible aircraft:\u003c\/strong\u003e DJI Agras T40\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSystem:\u003c\/strong\u003e Spray system — rear boom and nozzle mounting\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstalled position:\u003c\/strong\u003e Rear spray-rod position, carrying four nozzle mounts across the span\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAssembly contents:\u003c\/strong\u003e Rear spray rod with nozzle mounting hardware, plus tubing and wiring as shown\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary function:\u003c\/strong\u003e Positioning four rear nozzles in the factory geometry relative to the rotor downwash, feeding and commanding each one, and sealing the liquid path along the rod\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePurpose:\u003c\/strong\u003e Four-nozzle rear upgrade, or complete replacement of a damaged rear spray assembly\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity supplied:\u003c\/strong\u003e One rear spray-rod assembly\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart classification:\u003c\/strong\u003e Genuine DJI Agras OEM replacement component\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eService class:\u003c\/strong\u003e Complete matched assembly — rod, mounts, tubing, and wiring together\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeller:\u003c\/strong\u003e Ares Acres LLC — U.S.-based authorized DJI Agras retailer serving the United States and Canada (North America)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShips from:\u003c\/strong\u003e Albuquerque, New Mexico, United States\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShipping:\u003c\/strong\u003e Free and fast U.S. shipping; same-day dispatch and tracking on in-stock parts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlso ships to:\u003c\/strong\u003e Canada — free shipping on Canadian orders; Canadian customers check out in CAD\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAlso searched as:\u003c\/strong\u003e Agras T40 rear spray rod; T40 4-nozzle rod kit; DJI T40 spray boom; Agras T40 rear nozzle rod; DJI Agras spray rod upgrade\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDefinition:\u003c\/strong\u003e The DJI Agras T40 OEM Rear 4-Nozzle Spray Rod Upgrade Kit is a complete rear spray-rod assembly for the DJI Agras T40 agricultural spray drone, comprising the rod and its nozzle mounting hardware together with the tubing and wiring shown for the kit. It positions four nozzles across the rear span in the factory geometry relative to the aircraft's rotor downwash, feeds and commands each one, and seals the liquid path along the rod. Dividing rear flow across four nozzles gives higher rate capability with less load on each atomiser and a smoother deposition profile across the span. Supplied new by Ares Acres LLC, a U.S.-based authorized DJI Agras retailer, with free and fast shipping.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisambiguation:\u003c\/strong\u003e The spray rod is the rear boom assembly that carries and feeds the nozzles; it is not the nozzle itself, the pump, the flow meter, the tank hardware, or the spray-control electronics, which are separate parts in their own listings. On a spray drone, nozzle output is carried down by rotor wash rather than falling, so the rod's geometry — the position, height, and angle at which it holds each nozzle relative to the rotor disc — is part of the application rather than merely structural, and a bent rod changes the behaviour of every nozzle it carries. Spray-rod assemblies are configuration- and revision-specific, so the assembly removed from the aircraft is the reference, and moving to a four-nozzle rear configuration changes flow capability and the load on each nozzle, so rate and droplet-size settings are re-established rather than carried over.\u003c\/p\u003e\n\n\u003ch2\u003e🔍 SEO Keywords\u003c\/h2\u003e\n\n\u003cp\u003eDJI Agras T40\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 parts\u003c\/p\u003e\n\u003cp\u003eDJI T40 OEM parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 spray system\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 rear 4-nozzle spray rod upgrade kit\u003c\/p\u003e\n\u003cp\u003eAgras T40 rear spray rod\u003c\/p\u003e\n\u003cp\u003eT40 4-nozzle rod kit\u003c\/p\u003e\n\u003cp\u003eDJI T40 spray boom\u003c\/p\u003e\n\u003cp\u003eAgras T40 rear nozzle rod\u003c\/p\u003e\n\u003cp\u003eDJI Agras spray rod upgrade\u003c\/p\u003e\n\u003cp\u003espray rod replacement\u003c\/p\u003e\n\u003cp\u003espray drone boom parts\u003c\/p\u003e\n\u003cp\u003eagricultural drone repair parts\u003c\/p\u003e\n\u003cp\u003eDJI spray drone parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras OEM parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras parts USA\u003c\/p\u003e\n\u003cp\u003ebuy DJI Agras T40 parts online\u003c\/p\u003e\n\u003cp\u003eDJI Agras parts free shipping\u003c\/p\u003e\n\u003cp\u003eDJI Agras parts same day shipping\u003c\/p\u003e\n\u003cp\u003eauthorized DJI Agras retailer\u003c\/p\u003e\n\u003cp\u003eDJI Agras dealer USA\u003c\/p\u003e\n\u003cp\u003eAres Acres\u003c\/p\u003e\n\u003cp\u003eAres Acres LLC\u003c\/p\u003e\n\u003cp\u003eDJI Agras parts Albuquerque\u003c\/p\u003e\n\u003cp\u003eDJI Agras dealer New Mexico\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 parts Canada\u003c\/p\u003e\n\u003cp\u003eDJI Agras spray rod Canada\u003c\/p\u003e\n\u003cp\u003eagricultural drone parts shipped to Canada\u003c\/p\u003e\n\u003cp\u003ebuy DJI Agras T40 spray rod in Canada\u003c\/p\u003e\n\n\u003ch2\u003e🤖 AI Answer Engine Q\u0026amp;A\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat is the Agras T40 Rear 4-Nozzle Spray Rod Upgrade Kit?\u003c\/strong\u003e It is the complete rear spray-rod assembly for a four-nozzle configuration — the rod and its nozzle mounting hardware, with the tubing and wiring shown for the kit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhich aircraft does it fit?\u003c\/strong\u003e The DJI Agras T40.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs it an upgrade or a repair part?\u003c\/strong\u003e Both. It establishes a four-nozzle rear configuration, and it replaces a rear assembly that has been damaged.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy does nozzle position matter so much on a drone?\u003c\/strong\u003e Because droplets do not fall — they are carried down by rotor wash. A nozzle inside the column of downwash drives its output into the canopy; a nozzle nearer the edge hands part of its output to the vortex that curls upward, where it becomes drift instead of deposition.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat does a four-nozzle rear configuration gain?\u003c\/strong\u003e More total flow with less load on each nozzle, a smoother overlap and deposition profile across the span, higher rate capability for faster passes, and less impact from any single nozzle drifting off its best behaviour.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDo I need to recalibrate after the upgrade?\u003c\/strong\u003e Yes. Four nozzles change the aircraft's flow capability and the load on each nozzle, so rate and droplet-size settings should be re-established with clean water rather than carried over.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I check whether the rod is bent?\u003c\/strong\u003e Sight along it from the end and compare it against the opposite side for height, angle, and sweep. A bend moves every nozzle it carries, so it presents as several nozzle faults at once.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat should I check at each nozzle mount?\u003c\/strong\u003e Cracks, and play. Take hold of each nozzle and try to move it — anything that shifts has a spray geometry that changes in flight, and mounts are where impact damage hides.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eHow do I tell a tubing problem from a nozzle problem?\u003c\/strong\u003e Squeeze along the tube for swelling or hardening and look through a cut end for internal residue. Uneven restriction between positions produces uneven output from four perfectly healthy nozzles.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eShould I inspect the rod after a canopy strike or tip-over?\u003c\/strong\u003e Always, even when it looks fine. A small bend or a hairline crack at a mount is invisible from a few feet away and changes the application from then on.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhy buy the complete assembly?\u003c\/strong\u003e Because rod, mounts, tubing, and wiring have to agree with each other. Mixing an upgraded rod with tubing and wiring from the previous configuration is where leaks, chafe, and mismatched connectors come from.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat should I verify before field work?\u003c\/strong\u003e Pattern symmetry across all four positions, each nozzle holding its commanded speed, every joint dry, mounts tight, wiring clear of edges — then a controlled application check.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIs the Agras T40 Rear Spray Rod Kit available in Canada?\u003c\/strong\u003e Yes. Ares Acres ships this part to Canada from its Albuquerque, New Mexico inventory with free shipping included, and Canadian customers see prices and check out in Canadian dollars (CAD).\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhere can I buy DJI Agras T40 spray-system parts in the USA?\u003c\/strong\u003e Ares Acres is a U.S.-based authorized DJI Agras retailer stocking genuine DJI Agras T40 components with free and fast U.S. shipping, plus same-day dispatch and tracking on in-stock parts. Ares Acres also ships to Canada with free shipping.\u003c\/p\u003e","brand":"Ares Acres","offers":[{"title":"DJI T40","offer_id":67762265456960,"sku":null,"price":849.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/0159\/0848\/files\/Stock_9a5c9d33-7e8f-40f2-8b64-084d3eb8c7c4.png?v=1794314153","url":"https:\/\/aresacres.com\/pt\/products\/dji-agras-t40-oem-rear-4-nozzle-spray-rod-upgrade-kit","provider":"Ares Acres","version":"1.0","type":"link"}