ARA620 UHP Sprayer
The ARA620 UHP Sprayer is a Swiss-built, tractor-drawn machine whose Plant-by-Plant AI tells crops from weeds in real time and sprays a 6 by 6 cm spot, cutting plant protection products by up to 95%.
What is ARA620 UHP Sprayer?
The ARA620 UHP Sprayer, technical name ARA620 S G2, is a tractor-drawn ultra-high precision sprayer built by Ecorobotix SA in Yverdon-les-Bains, Switzerland. Its intelligence sits in Plant-by-Plant AI, an in-house software layer that combines machine learning with high-speed on-board computing and runs the whole scan-to-spray cycle in under a quarter of a second.
The chain has three stages. Sense: six camera modules, mixing 3D and RGB optics, capture a uniform image of the ground ahead. Decide: the models separate soil, crop and weed, recognising more than fifty weed species, including monocots, dicots, volunteer potato and dock, down to sub-centimetre size. Act: 156 high-precision nozzles spaced 4 cm apart fire on a 6 by 6 cm spot, a target Ecorobotix says is seventy times smaller than that of other smart sprayers, with millisecond timing.
That accuracy is what unlocks the machine's headline claim. Because the spray never touches the crop, non-selective herbicides can be used with an adjustable safety zone, something a broadcast or a conventional spot sprayer cannot do. Ecorobotix reports input reductions of 50% to more than 95% depending on target, crop stage and weed pressure, together with less phytotoxicity and healthier plants.
Physically, the ARA620 is a three-module frame adjustable up to 6.20 m of working width, carried front and rear on category 2 linkage, with a 600-litre clean water tank, a 300-litre mix tank and a 15-litre induction hopper at ground level. It covers up to 4 hectares per hour at 7.2 km/h, day or night, and side covers cut spray drift by 95%, certified by the Julius-Kühn-Institut. The operator drives everything from the Ecorobotix UI app on a supplied wireless tablet, picking crop and treatment in a few clicks.
Around ten distinct spraying algorithms cover selective and non-selective herbicides, crop-only fungicide and fertiliser passes, thinning and size-based application, across a growing crop list. RTK GPS positioning to within 3 cm produces as-applied maps that feed regulatory traceability, subsidy claims and contractor invoicing through the Ecorobotix cloud platform.
What it does
- Detects soil, crop and weeds in real time and treats plant by plant
- Cuts plant protection product use by up to 95%
- Applies non-selective herbicides safely, with an adjustable safety zone
- Sprays fungicides, insecticides, liquid fertilisers and biostimulants on the crop only
- Thins lettuce, broccoli and cauliflower to the target spacing
- Records every pass as an RTK as-applied map for traceability and invoicing
- Works day or night at up to 4 hectares per hour
When to use ARA620 UHP Sprayer / When not to
A quick filter to help you decide if ARA620 UHP Sprayer is the right fit.
When to use ARA620 UHP Sprayer
- Vegetable growers working onions, carrots, lettuce, cabbage, broccoli, cauliflower, spinach, green beans or chicory, where hand weeding still eats the margin
- Broadacre farmers in sugar beet, oilseed rape and maize looking to cut herbicide bills without losing weed control
- Livestock farmers and grassland managers fighting dock, thistle and ragwort in pasture
- Growers cornered by a withdrawn active substance, such as carrot crops facing weeding without metribuzin
- Spraying contractors and cooperatives that need RTK as-applied maps for traceability, subsidy files and per-hectare invoicing
When not to use ARA620 UHP Sprayer
- Anyone growing a crop with no dedicated algorithm, who is left with the generic All Plants and Target Size modes
- Fields where the crop is already taller than 40 cm, or younger than the two-true-leaf stage, since detection no longer holds
- Operators without a tractor able to carry 1,100 kg at 1.2 m behind and 1,000 kg at 0.8 m in front; over 90 hp is recommended
- Farms that need high work rates, as the machine is capped at 7.2 km/h and roughly 4 hectares per hour
- Golf courses, sod farms and turf managers, who are served by the separate ALBA sprayer rather than the ARA620
How to use ARA620 UHP Sprayer
A typical end-to-end flow, from setup to results.
- Contact a local Ecorobotix dealer to arrange a field demonstration and place an order, since the machine is not sold online
- Hitch the front tank system to the tractor's category 2 three-point linkage and the three spraying modules to the rear linkage and power take-off
- Check the tractor can carry the load: 1,100 kg at 1.2 m at the rear, 1,000 kg at 0.8 m at the front, with 30 l/min of hydraulic flow at 100 bar minimum
- Set the wheel spacing between 1.5 and 2 m and fit the tyre set matching row crops or grassland
- Fill through the 15-litre induction hopper at ground level, which avoids splashes and fumes
- Open the Ecorobotix UI app on the supplied wireless tablet and select the crop, then the treatment
- Let the machine adjust boom height, dose and turn behaviour on its own; concentration must be matched to the intended forward speed
- Drive between 0.5 and 7.2 km/h, day or night; performance stays constant across that range
- Fall back on the All Plants or Target Size modes if the crop has no dedicated algorithm
- Log in to the cloud platform afterwards to read product used, area worked and the per-field application map
Pros & Cons
Pros
- Input savings of 50% to over 95% on plant protection products, with 96% reported over 1,750 hectares of onions by a UK agronomist
- Non-selective herbicides become usable in standing crops thanks to the adjustable safety zone
- Lower phytotoxicity means the crop stops spending energy detoxifying; Ecorobotix reports yield gains up to 20% on some crops
- Sharp reduction in hand weeding, which the company also frames as an answer to ergonomic strain
- Full traceability through RTK as-applied maps, usable for compliance, subsidy files and contractor invoicing
- Drift cut by 95% with side covers and ground-level nozzles, certified by the Julius-Kühn-Institut, so moderate wind is workable
- Return on investment advertised at two to four years depending on farm size, with software updates included at no extra cost
Cons
- No price at all is published: neither the machine nor the licence carries a figure, and every quote goes through a dealer
- The software licence runs for an initial three-year term and renews automatically for one-year periods unless cancelled 30 days ahead
- The agreement carries no service level commitment on the cloud, no support or maintenance obligation, and the service is supplied as is
- Agronomic and end-user data are explicitly used to train the AI models, and no opt-out mechanism is documented
- The list of processors is only supplied on request, never published
- Detection stops working above 40 cm of crop height and is only robust from the two-true-leaf stage
- Speed is capped at 7.2 km/h and output at about 4 hectares per hour, which limits large-acreage use
Pricing & Plans
Ecorobotix publishes no price for the ARA620 UHP Sprayer, and there is no free plan. The machine is bought through an authorised dealer, and its software is covered by a licence whose fee is set in the applicable Order or, failing that, at the then current commercial list price of Ecorobotix or of the reseller, payable in advance within thirty days of the invoice. The licence starts on delivery or activation for an initial three-year term and renews for successive one-year periods. Optional Modules unlock additional crops, and major Upgrades may carry an additional fee announced in advance, while minor Updates are free. The only free trial documented concerns the crop algorithms still in their final development stage. Prospective buyers should expect to contact a local dealer for any figure; Ecorobotix advertises a return on investment in two to four years depending on farm size.
Data, GDPR & hosting
A consolidated view of how ARA620 UHP Sprayer handles your data.
GDPR overview
The GDPR is named explicitly. The privacy policy of 1 September 2025 defines Data Protection Law as covering both the Swiss FADP and the GDPR, and grants the full set of rights: access, rectification, erasure, objection, restriction, portability in CSV, XML or JSON, withdrawal of consent and complaint to the competent authority. Legal bases are stated one by one. A data protection officer is designated and reachable at privacy@ecorobotix.com, with a target response time of one month. Transfers outside Switzerland, including to the EEA and the United States, rely on the Swiss-U.S. and EU-U.S. Data Privacy Frameworks or on standard contractual clauses, including for intra-group transfers. No Article 27 representative is designated, and the list of processors is supplied on request rather than published.
Who owns the data?
The End-User Agreement splits ownership in two. The customer owns the Agronomic Data and the End-User Data and may use them freely. Ecorobotix nevertheless keeps a perpetual, irrevocable, worldwide, non-exclusive, transferable, sub-licensable and royalty-free right to use both sets for its internal purposes and any other lawful purpose, including research and development and product improvement, and may use aggregated forms without restriction. Machine Related Data and Ecorobotix Content stay the exclusive property of Ecorobotix. For personal data, Ecorobotix SA is the controller when it collects directly; when a dealer supplies the data, Ecorobotix acts only as processor and the dealer is the controller.
Reuse rights
Yes. Under clause 7.2 of the End-User Agreement the customer owns the Agronomic Data and the End-User Data and may use them freely, with no permission to request from Ecorobotix: the field records, treatment histories, charts, statistics and application maps generated through the service belong to the farm. What the customer may not do is touch the other side of the fence. Machine Related Data, meaning everything technical about the sprayer's performance, safety, maintenance and faults, remains Ecorobotix property and the vendor may use it as it sees fit. Reverse engineering, decompiling or deriving the algorithms behind the service is forbidden, as is creating derivative works from it. Ecorobotix also warns that it is not a backup service and accepts no liability for lost content, so keeping an independent copy of the farm's own records is on the customer.
Data retention & training
Hosting summary
Ecorobotix never names a hosting country. The privacy policy of 1 September 2025 states that personal data may be processed and transferred to third parties located outside Switzerland, including in EEA countries and the United States, and anywhere else Ecorobotix and its processors maintain data processing operations. Where the destination country is not recognised as offering adequate protection, the company relies on a valid certification, naming the Swiss-U.S. and EU-U.S. Data Privacy Frameworks and the UK extension, or on standard contractual clauses. Transfers between Ecorobotix SA, Ecorobotix Inc. in the United States and Ecorobotix France S.A.S. run under an intra-group agreement that itself incorporates those clauses. Data recorded continuously by the machine during treatment is stored in the cloud and reached through my.ecorobotix.cloud. A list of processors and their locations is available on request at privacy@ecorobotix.com, but is not published, so the actual jurisdictions cannot be verified from the public documents alone.
Things to keep in mind
Risks and trade-offs to weigh before adopting ARA620 UHP Sprayer.
- The site contradicts itself on the company's founding date: the About page says October 2011, the Origins page says 2014
- Specifications disagree too: minimum weed detection is given as 4 by 4 mm on the product page and 2 mm or more in the July 2026 brochure
- The only free trial mentioned anywhere covers crop algorithms still in development, not the machine or the licence, so do not read it as a way to try the sprayer
- Agronomic data feed the training of Ecorobotix models by design, and nothing on the site describes a way for a farm to exclude its fields from that
- Trusting the automatic detection without checking the field can hide a treatment failure until it is too late; the company itself warns results may disappoint at advanced weed stages
- The licence renews silently for one-year periods, and cancelling requires written notice thirty days before the end of the current period
- Ecorobotix states plainly that it is not a backup service and accepts no liability for lost content, so field records should be exported and kept independently
Setup & Integrations
Technical difficulty
Heavy on the mechanical side, light on the software side. Setting up means hitching a front tank and three rear modules on category 2 linkage, connecting the power take-off and a hydraulic circuit of at least 30 l/min at 100 bar, and adjusting wheel spacing. The tractor must carry the load. Once mounted, the brochure sums it up as plug in and go: crop and treatment are picked in a few clicks on the supplied tablet, and the machine handles boom height, dose and turns by itself. No IT skills are needed. Installation and first-line support come from the dealer.
Deployment
Behind ARA620 UHP Sprayer
Fundraising
Social
Resources
All the official URLs gathered for verification and reference.
Frequently asked questions
What does the ARA620 UHP Sprayer actually do?
How much plant protection product does it save?
How small a weed can it detect?
Are there limits on crop size and stage?
What tractor does it need?
What if my crop has no dedicated algorithm?
How much does it cost?
Who owns the data the machine collects?
Is there a mobile app I can download?
Is spray drift a problem?
Should you pick ARA620 UHP Sprayer?
The ARA620 is a mature product rather than a promise. ARA launched in 2021, Ecorobotix claims machines at work in more than twenty countries, and US assembly started in Kansas in 2026. What sets it apart is not that it sprays selectively, which several smart sprayers now do, but the size of the spot: at 6 by 6 cm the boom can work close enough to the crop to use non-selective herbicides safely, which is a genuinely different agronomic proposition. The supporting evidence is real but uneven. Drift reduction of 95% is certified by an independent institute; the input savings, the yield gains and the two-to-four-year payback come from grower testimonials and company trials, not from standardised third-party measurement.
The reservations are mostly contractual and commercial. There is no published price of any kind, so budgeting means calling a dealer. The software licence runs three years and renews on its own. The agreement carries no service level commitment on the cloud and no support obligation, and the service is provided as is. Agronomic data belong to the farm, but Ecorobotix keeps a perpetual right to use them, explicitly including to train its models, with no documented way to opt out. The processor list is available on request only.
The practical test is narrower than any of that: does an algorithm exist for the crop in question, is the crop under 40 cm, and is there a dealer in the country. Where those three line up, and especially where hand weeding is expensive or an active substance has been withdrawn, the case is strong. Where they do not, the machine cannot show what it is worth.
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