{"product_id":"dji-agras-t50-oem-d12000ie-rato-generator-dc-controller-yc-dz-gr000012","title":"DJI Agras T50 OEM D12000iE RATO Generator DC Controller (YC.DZ.GR000012)","description":"\u003cp\u003e\u003cstrong\u003eD12000iE DC Controller YC.DZ.GR000012 | RATO Engine Build Only | Generator Power-Electronics Module | Battery Charging Output Control | Field-Ready OEM Replacement Component\u003c\/strong\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🇺🇸 U.S.A. FIRST\u003c\/h2\u003e\n\u003cp\u003eAres 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFREE \u0026amp; FAST Shipping is included for all U.S. customers.\u003c\/strong\u003e\u003c\/p\u003e\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\u003cp\u003eThe DC controller is the power-electronics module that takes the raw output of the D12000iE generator's alternator and conditions it into the regulated DC the charging system delivers to intelligent flight batteries, DJI material number YC.DZ.GR000012. The engine makes the power; this module is what makes it usable. When it fails, the generator can start, idle, hold speed, and sound perfectly healthy while charging nothing — which is the worst kind of failure on a spray site, because everything looks right and the flight line still stops.\u003c\/p\u003e\n\u003cp\u003eThat is the economics operators run into on this part. A charging generator that runs but will not charge is not a machine that needs replacing; it is a machine with a failed module in the electrical path. Battery turnaround is the real cycle time in a spray operation, and when turnaround stops, every aircraft on the trailer waits regardless of how many are airworthy. Replacing the controller restores the charging side of a unit whose engine, frame, and everything else are still perfectly serviceable — at module cost rather than generator cost, and inside the window rather than after it.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWe use specialized technicians to deliver \u003c\/strong\u003e\u003cstrong\u003ethe D12000iE RATO DC Controller ordered.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThat is why Ares Acres keeps DJI Agras D12000iE generator electronics in stock and shipped fast inside the U.S.A., in both engine builds, so an operator who has correctly identified a failed controller can have the right one moving the same day instead of losing a week to sourcing. If your engine label is unreadable, send us a photo of the engine along with the generator serial and we will identify the build for you before you order.\u003c\/p\u003e\n\u003cp\u003eFor professional farmers, aerial applicators, and commercial drone operators, this module is what stands between a running engine and a flight line that keeps flying.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e✅ DJI Agras T50 \/ T40 \/ T30 Compatibility Guarantee\u003c\/h2\u003e\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\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e📦 Package Includes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Original DJI D12000iE RATO DC Controller\u003c\/li\u003e\n\u003cli\u003eDJI material number YC.DZ.GR000012\u003c\/li\u003e\n\u003cli\u003eGenerator DC power-electronics module, RATO engine build\u003c\/li\u003e\n\u003cli\u003eBrand new condition — never installed, never run\u003c\/li\u003e\n\u003cli\u003eOEM protective packaging\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e🔧 Component Overview\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eDJI Agras D12000iE RATO Generator DC Controller (YC.DZ.GR000012)\u003c\/strong\u003e is the power-electronics module that rectifies and regulates the generator's alternator output into the stable DC the charging system uses to fill intelligent flight batteries. It is the single most important electronic component in the machine — every watt the engine produces has to pass through it before it becomes a charge on a pack.\u003c\/p\u003e\n\u003cp\u003eBefore anything else, identify your engine build. The D12000iE Multifunctional Inverter Generator ships in two of them: some units carry a RATO engine and some carry a ZONGSHEN, and the two are not interchangeable. DJI numbers them separately all the way down through pistons, gaskets, sensors, controllers, and operation panels. This listing is the RATO part, YC.DZ.GR000012. The ZONGSHEN build of the same module is YC.DZ.GR000433, which Ares Acres lists separately. Ordering the wrong build is the single most common mistake in the generator lane, and it costs an operator the one thing this part exists to protect — time inside the window.\u003c\/p\u003e\n\u003cp\u003eThe DC controller sits in the middle of the charging chain and depends on everything around it:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe engine that drives the generator\u003c\/li\u003e\n\u003cli\u003eThe alternator output the module receives as raw power\u003c\/li\u003e\n\u003cli\u003eThe generator's operation panel and the indications it reports\u003c\/li\u003e\n\u003cli\u003eThe charging outputs that feed the battery system\u003c\/li\u003e\n\u003cli\u003eCharging cables and their connectors\u003c\/li\u003e\n\u003cli\u003eThe intelligent flight batteries at the end of the chain\u003c\/li\u003e\n\u003cli\u003eThe cooling airflow path around the module\u003c\/li\u003e\n\u003cli\u003eThe generator enclosure and the module's mounting\u003c\/li\u003e\n\u003cli\u003eThe wiring harness and power connections on both sides\u003c\/li\u003e\n\u003cli\u003eThe ground-support routine that keeps aircraft supplied with charged packs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCommercial operators do not use a field charging generator gently. They use it the way a spray schedule demands:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAll-day charging beside the trailer at the staging point\u003c\/li\u003e\n\u003cli\u003eBack-to-back pack rotations from open to close\u003c\/li\u003e\n\u003cli\u003eSustained load held through the hottest part of the day\u003c\/li\u003e\n\u003cli\u003eMultiple aircraft supplied from a single charging unit\u003c\/li\u003e\n\u003cli\u003eStaging in open fields with no access to shore power\u003c\/li\u003e\n\u003cli\u003eDawn-to-dusk application windows worked end to end\u003c\/li\u003e\n\u003cli\u003eTrailer and truck transport between fields and between farms\u003c\/li\u003e\n\u003cli\u003eOperation in dust, chaff, and crop residue\u003c\/li\u003e\n\u003cli\u003eRunning in high ambient heat with limited shade\u003c\/li\u003e\n\u003cli\u003eWhole seasons of duty compressed into a handful of intense weeks\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eUnder that duty, a DC controller is exposed to conditions that power electronics do not enjoy:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSustained rated-load operation for hours at a time\u003c\/li\u003e\n\u003cli\u003eHigh ambient temperature at the work site\u003c\/li\u003e\n\u003cli\u003eRestricted airflow around the module in a packed enclosure\u003c\/li\u003e\n\u003cli\u003eHeat cycling from cold start through shutdown, every day\u003c\/li\u003e\n\u003cli\u003eRain, wash-down, and humidity in field conditions\u003c\/li\u003e\n\u003cli\u003eDust and chaff drawn through a machine that has to breathe\u003c\/li\u003e\n\u003cli\u003eVibration from the running engine and from road transport\u003c\/li\u003e\n\u003cli\u003eVoltage transients arriving from the generating side upstream\u003c\/li\u003e\n\u003cli\u003eCorrosion at power connectors from humidity and chemical exposure\u003c\/li\u003e\n\u003cli\u003eRepeated connection and disconnection of charging cables\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHeat is the primary enemy, and heat damage is cumulative. A module that has spent seasons at rated load in high ambient temperature with restricted airflow does not fail the way a switch fails; it degrades, then starts behaving differently hot than cold, then stops holding output under load, then stops producing usable DC at all.\u003c\/p\u003e\n\u003cp\u003eA sound DC controller helps maintain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRegulated DC delivered to the charging system\u003c\/li\u003e\n\u003cli\u003eOutput that holds under real charging load\u003c\/li\u003e\n\u003cli\u003eCharge cycles that start, run, and complete\u003c\/li\u003e\n\u003cli\u003ePredictable battery turnaround times\u003c\/li\u003e\n\u003cli\u003eAircraft that are waiting on fields rather than on packs\u003c\/li\u003e\n\u003cli\u003eA charging unit that earns the space it takes on the trailer\u003c\/li\u003e\n\u003cli\u003eFewer charging faults to chase at the staging point\u003c\/li\u003e\n\u003cli\u003eGround support crews working to a rhythm instead of a problem\u003c\/li\u003e\n\u003cli\u003eUptime through the whole application window\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOn a busy site, charging capacity is production capacity. This module is where charging capacity is made.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚙️ Functional Purpose\u003c\/h2\u003e\n\u003cp\u003eThe D12000iE DC Controller exists to turn what the alternator produces into what the batteries can accept, and to keep doing it under load, in the heat, all day.\u003c\/p\u003e\n\u003cp\u003eThe component helps:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRectify the generator's raw alternator output\u003c\/li\u003e\n\u003cli\u003eRegulate that output into stable, battery-safe DC\u003c\/li\u003e\n\u003cli\u003eDeliver conditioned DC to the charging system\u003c\/li\u003e\n\u003cli\u003eHold output voltage under real charging load\u003c\/li\u003e\n\u003cli\u003eSupport charge cycles that run to completion\u003c\/li\u003e\n\u003cli\u003eKeep battery turnaround times predictable across a work day\u003c\/li\u003e\n\u003cli\u003eConvert a running engine into usable charging capacity\u003c\/li\u003e\n\u003cli\u003eKeep the electrical side working alongside the mechanical side\u003c\/li\u003e\n\u003cli\u003eRestore output on a generator that runs but will not charge\u003c\/li\u003e\n\u003cli\u003eCure charge cycles that run slow, stall, or abort\u003c\/li\u003e\n\u003cli\u003eReplace a heat-damaged or water-damaged power module\u003c\/li\u003e\n\u003cli\u003eReturn a down charging unit to service inside a spray window\u003c\/li\u003e\n\u003cli\u003eSupport full generator electrical system rebuilds\u003c\/li\u003e\n\u003cli\u003eKeep field charging capability available where there is no shore power\u003c\/li\u003e\n\u003cli\u003eMaintain the correct RATO-build parts configuration on the machine\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNothing else in the generator can cover for this module. The engine can be in perfect condition, the fuel system can be flawless, the frame and panel can be untouched — if the DC controller is not conditioning output, the machine is a running engine with no product. That is why a charging unit can pass every mechanical check an operator knows how to run and still be useless on the flight line.\u003c\/p\u003e\n\u003cp\u003eA failing DC controller may contribute to:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo DC output while the engine runs normally\u003c\/li\u003e\n\u003cli\u003eOutput that collapses as soon as charging load is applied\u003c\/li\u003e\n\u003cli\u003eCharge cycles that run slow, stall partway, or abort\u003c\/li\u003e\n\u003cli\u003eController fault indication on the operation panel\u003c\/li\u003e\n\u003cli\u003eRepeated charging faults that trace back to neither battery nor cable\u003c\/li\u003e\n\u003cli\u003ePacks returning to the flight line later than the schedule assumed\u003c\/li\u003e\n\u003cli\u003eAircraft grounded and waiting on charge with fields still open\u003c\/li\u003e\n\u003cli\u003eA generator that looks and sounds healthy while production stops\u003c\/li\u003e\n\u003cli\u003eDowntime in the middle of an application window\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReplacing a failed controller restores the charging function the rest of the machine was built to serve.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e⚠️ Common Replacement Indicators\u003c\/h2\u003e\n\u003cp\u003eReplacement may be recommended when operators observe:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eNo DC output with the engine running normally\u003c\/li\u003e\n\u003cli\u003eOutput that will not hold voltage under charging load\u003c\/li\u003e\n\u003cli\u003eCharge cycles that run slow, stall, or abort\u003c\/li\u003e\n\u003cli\u003eCharging that begins and then quits partway through the cycle\u003c\/li\u003e\n\u003cli\u003eController fault indication on the operation panel\u003c\/li\u003e\n\u003cli\u003eRepeated charging faults not traced to the battery or the cable\u003c\/li\u003e\n\u003cli\u003eCharging that works from cold and quits once the unit is hot\u003c\/li\u003e\n\u003cli\u003eBurnt, scorched, or heat-discolored areas on the board\u003c\/li\u003e\n\u003cli\u003eSwollen or visibly damaged components on the module\u003c\/li\u003e\n\u003cli\u003eCorrosion on the board or at the power connectors\u003c\/li\u003e\n\u003cli\u003eEvidence of water intrusion or moisture inside the module\u003c\/li\u003e\n\u003cli\u003eA burnt smell around the module after a run\u003c\/li\u003e\n\u003cli\u003eCharging behavior that changed after a water event or wash-down\u003c\/li\u003e\n\u003cli\u003eFindings during generator electrical inspection or rebuild\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eHeat is the primary cause of failure — sustained operation at rated load in high ambient temperature with restricted airflow around the module. Beyond that: water and dust intrusion in field conditions, vibration fatigue working at solder joints and connectors, voltage transients arriving from a failing stator or rotor upstream, and corrosion at the power connectors from humidity and chemical exposure. That last group matters diagnostically. A controller can be the victim rather than the culprit, and a replacement module that fails again quickly is a strong signal to inspect the generating side and its connections rather than to fit a third controller.\u003c\/p\u003e\n\u003cp\u003eFor commercial operators, a replacement controller is a fraction of the cost of the generator it returns to service — and a very small fraction of what a stalled flight line costs during an application window.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e📐 Specifications\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eDJI Material Number:\u003c\/strong\u003e YC.DZ.GR000012\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart:\u003c\/strong\u003e D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponent Type:\u003c\/strong\u003e Generator DC power-electronics module \/ rectification and regulation controller\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEngine Build:\u003c\/strong\u003e RATO — this part fits RATO engine builds only\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatibility:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDJI Agras D12000iE Multifunctional Inverter Generator — RATO build\u003c\/li\u003e\n\u003cli\u003eDJI Agras T50 (via the D12000iE charging generator)\u003c\/li\u003e\n\u003cli\u003eDJI Agras T40 (via the D12000iE charging generator)\u003c\/li\u003e\n\u003cli\u003eDJI Agras T30 (via the D12000iE charging generator)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCounterpart Part Number:\u003c\/strong\u003e The ZONGSHEN build of this module is YC.DZ.GR000433, listed separately by Ares Acres\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Quantity:\u003c\/strong\u003e 1 DC Controller\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Area:\u003c\/strong\u003e Generator electrical system, between the alternator output and the charging output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Rectifies and regulates generator alternator output into stable, battery-safe DC for the charging system\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eConstruction:\u003c\/strong\u003e Original DJI power-electronics module for the D12000iE RATO build\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMounting Type:\u003c\/strong\u003e Direct-fit OEM replacement component for RATO-build units\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eApplication:\u003c\/strong\u003e Agricultural drone field charging generator repair and electrical system service\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new — never installed, never run\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGenerator Family Note:\u003c\/strong\u003e The D12000iE is the charging generator for the DJI Agras T50, T40, and T30. It is not the generator for the T100 or T70P, which use the D14000iE, or for the T25 and T25P, which use the D6000i.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e DJI material number YC.DZ.GR000012 is listed verbatim on the published D12000iE RATO parts breakdown. Read the engine label on your own unit before ordering. If your generator carries a ZONGSHEN engine you need YC.DZ.GR000433 instead, and this part will not fit it. If the label is unreadable, send a photo of the engine along with the generator serial and we will identify the build for you.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🚜 Necessary For\u003c\/h2\u003e\n\u003cp\u003eThis component is ideal for:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDJI Agras T50 operators running D12000iE field charging\u003c\/li\u003e\n\u003cli\u003eDJI Agras T40 operators running D12000iE field charging\u003c\/li\u003e\n\u003cli\u003eDJI Agras T30 operators running D12000iE field charging\u003c\/li\u003e\n\u003cli\u003eFarmers charging spray drone packs away from shore power\u003c\/li\u003e\n\u003cli\u003eCommercial spraying contractors\u003c\/li\u003e\n\u003cli\u003eAerial application businesses\u003c\/li\u003e\n\u003cli\u003eAgricultural aviation companies\u003c\/li\u003e\n\u003cli\u003eFleet maintenance managers\u003c\/li\u003e\n\u003cli\u003eAgricultural drone technicians\u003c\/li\u003e\n\u003cli\u003eGenerator and small-engine service shops\u003c\/li\u003e\n\u003cli\u003eDJI Agras service providers\u003c\/li\u003e\n\u003cli\u003eDrone repair facilities\u003c\/li\u003e\n\u003cli\u003eGround support and battery crews\u003c\/li\u003e\n\u003cli\u003eGenerator electrical system rebuild projects\u003c\/li\u003e\n\u003cli\u003eEmergency repair inventory for charging equipment\u003c\/li\u003e\n\u003cli\u003eProfessional agricultural drone operators\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEspecially valuable during:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSpring spraying season\u003c\/li\u003e\n\u003cli\u003eSummer application windows\u003c\/li\u003e\n\u003cli\u003eSustained high-ambient-temperature operation\u003c\/li\u003e\n\u003cli\u003eHigh-tempo, multi-aircraft field days\u003c\/li\u003e\n\u003cli\u003eRemote staging with no access to shore power\u003c\/li\u003e\n\u003cli\u003ePre-season generator commissioning and inspection\u003c\/li\u003e\n\u003cli\u003eGenerator electrical rebuilds between seasons\u003c\/li\u003e\n\u003cli\u003eEmergency repairs with a charging unit down mid-window\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCharging capacity is production capacity — a spare controller on the shelf keeps a running engine from becoming an idle flight line.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e💡 Why This Part Matters\u003c\/h2\u003e\n\u003cp\u003eA spray operation does not actually run on aircraft. It runs on charged packs. Aircraft are the visible half of the operation, but the pace of the day is set by how fast batteries come back — and everything that determines that pace flows through one power-electronics module in the generator. A generator that will not start is an obvious problem with an obvious fix. A generator that runs but will not charge is a worse problem, because it looks healthy while the flight line goes quiet and the window keeps closing.\u003c\/p\u003e\n\u003cp\u003eThis is also a part where getting the order right matters as much as getting the diagnosis right. Two engine builds, two complete parts trees, two material numbers for the same module. RATO is YC.DZ.GR000012. ZONGSHEN is YC.DZ.GR000433. An operator who reads the engine label before ordering gets a working charging unit back the day the part lands. An operator who guesses gets a box, a return, and another few days of the flight line waiting on charge — which during an application window is by far the most expensive part of the whole exercise.\u003c\/p\u003e\n\u003cp\u003eA sound DC controller helps maintain:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBattery turnaround at the pace the schedule was built on\u003c\/li\u003e\n\u003cli\u003eCharge cycles that complete instead of stalling\u003c\/li\u003e\n\u003cli\u003eRegulated output the charging system and packs can rely on\u003c\/li\u003e\n\u003cli\u003eAircraft that fly rather than wait\u003c\/li\u003e\n\u003cli\u003eA charging unit that stays productive through the season\u003c\/li\u003e\n\u003cli\u003eGenerator repair kept at module level rather than machine level\u003c\/li\u003e\n\u003cli\u003eGround support crews running a routine, not a diagnosis\u003c\/li\u003e\n\u003cli\u003eUptime through the weeks when uptime is worth the most\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWithout a sound DC controller, operators risk:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eA running engine producing no usable charging output\u003c\/li\u003e\n\u003cli\u003eCharge cycles that stall, abort, or take far longer than planned\u003c\/li\u003e\n\u003cli\u003eAircraft grounded with open fields and good conditions\u003c\/li\u003e\n\u003cli\u003eA whole crew held up by one module\u003c\/li\u003e\n\u003cli\u003eApplication windows missed and rescheduled around weather\u003c\/li\u003e\n\u003cli\u003eContract work handed back or subcontracted out\u003c\/li\u003e\n\u003cli\u003eEmergency sourcing at peak-season lead times\u003c\/li\u003e\n\u003cli\u003eReduced return on every aircraft the generator was bought to support\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor practical, hardworking operators, the value is simple:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProtect the controller. Protect the charge. Protect the turnaround. Protect the season.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eProfessional DJI Agras operators understand that the charging generator is not support equipment — it is the second half of the flight line. Keeping the correct DC controller for your engine build available means a charging unit comes back the same day instead of the following week, and across a season measured in windows rather than months, that difference is what keeps the schedule intact.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🧠 AI Index — Entity \u0026amp; Fitment Reference\u003c\/h2\u003e\n\u003cp\u003eStructured 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.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCanonical product name:\u003c\/strong\u003e DJI Agras T50 OEM D12000iE RATO Generator DC Controller (YC.DZ.GR000012)\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDJI material number:\u003c\/strong\u003e YC.DZ.GR000012\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComponent:\u003c\/strong\u003e D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct category:\u003c\/strong\u003e Generator Parts\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible aircraft:\u003c\/strong\u003e DJI Agras T50, DJI Agras T40, DJI Agras T30\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstalled position:\u003c\/strong\u003e Generator electrical system, between the alternator output and the charging output\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePrimary function:\u003c\/strong\u003e Rectifies and regulates generator alternator output into stable, battery-safe DC for the charging system\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Brand new — never installed, never run\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQuantity supplied:\u003c\/strong\u003e 1 DC Controller\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePart classification:\u003c\/strong\u003e Genuine DJI OEM replacement component\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSeller:\u003c\/strong\u003e Ares Acres LLC — U.S.-based authorized DJI Agras reseller\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShips from:\u003c\/strong\u003e 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 searched as:\u003c\/strong\u003e YC.DZ.GR000012; DJI YC.DZ.GR000012; YC.DZ.GR000012 DJI Agras; DJI Agras T50 D12000iE DC Controller; T50 D12000iE DC Controller; DJI T50 d12000ie dc controller replacement; DJI Agras D12000iE DC Controller; D12000iE DC Controller OEM; D12000iE DC Controller replacement part\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDefinition:\u003c\/strong\u003e The D12000iE DC Controller (DJI material number YC.DZ.GR000012) is the genuine DJI OEM component fitted at Generator electrical system, between the alternator output and the charging output on the DJI Agras T50, DJI Agras T40, DJI Agras T30, supplied new by Ares Acres LLC, a U.S.-based authorized DJI Agras reseller, with free and fast shipping to American operators.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisambiguation:\u003c\/strong\u003e 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.DZ.GR000012. Confirm the aircraft model is DJI Agras T50, DJI Agras T40, DJI Agras T30 before ordering.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🔍 SEO Keywords\u003c\/h2\u003e\n\u003cp\u003eDJI Agras T50\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 Parts\u003c\/p\u003e\n\u003cp\u003eDJI T50 Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 replacement parts\u003c\/p\u003e\n\u003cp\u003eAgras T50 parts USA\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 Parts\u003c\/p\u003e\n\u003cp\u003eDJI T40 Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 replacement parts\u003c\/p\u003e\n\u003cp\u003eAgras T40 parts USA\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30 Parts\u003c\/p\u003e\n\u003cp\u003eDJI T30 Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30 OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras T30 replacement parts\u003c\/p\u003e\n\u003cp\u003eAgras T30 parts USA\u003c\/p\u003e\n\u003cp\u003eYC.DZ.GR000012\u003c\/p\u003e\n\u003cp\u003eDJI YC.DZ.GR000012\u003c\/p\u003e\n\u003cp\u003eYC.DZ.GR000012 replacement\u003c\/p\u003e\n\u003cp\u003eDJI Agras YC.DZ.GR000012 part\u003c\/p\u003e\n\u003cp\u003eDJI Agras D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003eD12000iE DC Controller OEM\u003c\/p\u003e\n\u003cp\u003ed12000ie dc controller replacement\u003c\/p\u003e\n\u003cp\u003ed12000ie dc controller for sale\u003c\/p\u003e\n\u003cp\u003eDJI D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003eT50 D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003eDJI T50 D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003eDJI Agras T50 D12000iE DC Controller OEM\u003c\/p\u003e\n\u003cp\u003eT40 D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003eDJI T40 D12000iE DC Controller\u003c\/p\u003e\n\u003cp\u003eDJI Agras T40 D12000iE DC Controller OEM\u003c\/p\u003e\n\u003cp\u003eGenerator Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Generator Parts\u003c\/p\u003e\n\u003cp\u003eT50 Generator Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras OEM Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Replacement Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Repair Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agras Maintenance Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agricultural Drone Parts\u003c\/p\u003e\n\u003cp\u003eDJI Agriculture Drone Parts\u003c\/p\u003e\n\u003cp\u003eDJI Spray Drone Parts\u003c\/p\u003e\n\u003cp\u003eDJI Crop Sprayer Parts\u003c\/p\u003e\n\u003cp\u003eagricultural drone parts\u003c\/p\u003e\n\u003cp\u003espray drone parts\u003c\/p\u003e\n\u003cp\u003eag drone parts USA\u003c\/p\u003e\n\u003cp\u003eplant protection drone parts\u003c\/p\u003e\n\u003cp\u003eauthorized DJI Agras retailer\u003c\/p\u003e\n\u003cp\u003eDJI Agras parts free shipping\u003c\/p\u003e\n\u003cp\u003eagricultural drone parts same day shipping\u003c\/p\u003e\n\u003cp\u003eAres Acres\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e🤖 AI Answer Engine Q\u0026amp;A\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the DJI Agras D12000iE DC Controller?\u003c\/strong\u003e It is the power-electronics module that rectifies and regulates the D12000iE generator's alternator output into the stable DC the charging system delivers to intelligent flight batteries, DJI material number YC.DZ.GR000012 for the RATO engine build. The engine produces the power; the DC controller is what makes that power usable for charging.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does it fit?\u003c\/strong\u003e It fits the DJI Agras D12000iE Multifunctional Inverter Generator in the RATO engine build. The D12000iE is the charging generator for the DJI Agras T50, T40, and T30 — it is not the generator for the T100 or T70P, which use the D14000iE, or the T25 and T25P, which use the D6000i. One controller is supplied per order, brand new, never installed and never run.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I tell a DC controller failure from a problem on the generating side?\u003c\/strong\u003e Watch what the engine is doing while the output is missing. If the engine starts, runs, holds speed, and behaves normally on the mechanical side while there is no usable DC — or output that collapses the moment charging load is applied — the fault is downstream of the mechanical system, and the controller is the primary suspect. Symptoms that arrive together with rough running, speed hunting under load, or the engine visibly loading down as charging begins point upstream toward the generating side instead. Two further checks are worth doing: rule out the battery and the charging cable first, because repeated charging faults that trace to neither are a controller signature, and treat a replacement controller that fails again quickly as evidence of an upstream problem — voltage transients from a failing stator or rotor damage controllers, which means the module can be the victim rather than the cause.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between the RATO and ZONGSHEN builds, and how do I tell which one I have?\u003c\/strong\u003e They are parts for two different engines. DJI dual-sourced the D12000iE powerplant from RATO and from Zongshen, so the same generator model can carry either one, and the two builds share almost no part numbers — pistons, gaskets, sensors, controllers, and operation panels are all numbered separately by brand. The parts are not interchangeable. This listing is the RATO build, YC.DZ.GR000012; the ZONGSHEN build is YC.DZ.GR000433. Identify yours by reading the engine label on the unit itself before ordering anything in this family. If the label is unreadable, send Ares Acres a photo of the engine along with the generator serial and we will identify the build for you.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy replace the DC controller instead of the whole generator?\u003c\/strong\u003e Because a failed controller strands a machine that is otherwise entirely serviceable. The engine, frame, fuel system, and panel on a unit with a dead controller are usually in exactly the condition their hours would suggest — the machine is not worn out, it has one failed module in the electrical path. Replacing that module restores charging capability at module cost, and it is the repair path any generator service shop would take before condemning a running machine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhy does a failing controller sometimes show up as slow or aborted charge cycles rather than a dead unit?\u003c\/strong\u003e Because it sits between a running engine and expensive batteries, and degradation shows up as marginal behavior before it shows up as no behavior. A module that can no longer hold regulated output under sustained load may still start a cycle normally and then fall short as demand and heat build, which the charging system sees as a cycle worth slowing or ending rather than as a hard fault. That is why charge cycles that stall, abort, or take much longer than they used to belong on the list of controller symptoms alongside outright loss of output.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the signs the DC controller needs replacing?\u003c\/strong\u003e No DC output with the engine running normally, output that will not hold voltage under charging load, charge cycles that run slow, stall, or abort, controller fault indication on the operation panel, repeated charging faults not traced to the battery or the cable, charging that works from cold and quits once the unit is hot, or visible damage — a burnt, scorched, swollen, corroded, or water-damaged board.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes these controllers to fail?\u003c\/strong\u003e Heat is the primary enemy: sustained rated-load operation in high ambient temperature with restricted airflow around the module. Beyond heat, the common causes are water and dust intrusion in field conditions, vibration fatigue at solder joints and connectors, voltage transients arriving from a failing stator or rotor upstream, and corrosion at the power connectors from humidity and chemical exposure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhere can I buy a D12000iE RATO DC Controller in the U.S.?\u003c\/strong\u003e Ares Acres LLC is a U.S.-based authorized DJI Agras reseller stocking genuine DJI Agras generator electronics for American operators, including D12000iE RATO DC Controller YC.DZ.GR000012 and the ZONGSHEN counterpart YC.DZ.GR000433, with free and fast U.S. shipping plus same-day shipping and tracking on in-stock parts.\u003c\/p\u003e","brand":"Ares Acres","offers":[{"title":"DJI T50","offer_id":52889339789632,"sku":"YC.DZ.GR000012","price":999.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0923\/0159\/0848\/files\/IMG-0014.png?v=1785902396","url":"https:\/\/aresacres.com\/products\/dji-agras-t50-oem-d12000ie-rato-generator-dc-controller-yc-dz-gr000012","provider":"Ares Acres","version":"1.0","type":"link"}