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Aramis II · photo pending manufacturer approval
Robotic barn · Fully autonomous

Aramis II

Rail-guided all-in-one feeding robot from Tyrolean specialist Hetwin — weighs, cuts, mixes, doses and pushes feed around the clock from an overhead rail, with two horizontal mixing augers producing a homogeneous ration from batches as small as 50 kg. Aimed at medium herds of roughly 50–150 animals; sold and serviced in Switzerland via Harvestore.

Available in: Austria · Germany · Switzerland

At a glance

Best for

Medium dairy and fattening barns (≈50–150 animals) wanting fully automatic group-specific fresh feeding without a mixer wagon — overhead rail keeps the feed alley clear.

Avoid if

Your barn cannot take an overhead rail installation, or you want a free-driving robot like the Lely Vector.

Not suitable for

Field work; very large multi-barn operations beyond the rail system's reach.

Specifications

Power sourceMains electric via sliding power line on overhead rail — up to 60% energy saving vs comparable systems (vendor)
Required tractor powerNot applicable
DimensionsOverhead rail-guided unit, sized to barn
WeightNot disclosed
Min farm size~50 animals
ProductivityBatches from 50 kg; feeding around the clock, group-specific rations
Max speedNot applicable
SensorsWeighing cells for ration accuracy
ConnectivityProgrammable feeding schedules (details not disclosed)
Compatible toolsWeighing, cutting, mixing (two horizontal augers), dosing, feed pushing
Configurations
Aramis IIRail-guided feed-mixing robot for ~50–150 animals
AthosLarger Hetwin robot that both feeds and distributes bedding straw

Price & ROI

Price (EUR)Not disclosed
Native priceNot disclosed
Price verifiedNot disclosed
Business modelBuy via Hetwin and country distributors
Ongoing costElectricity; auger and knife wear parts; service via distributor
MaintenanceDistributor service (Harvestore in CH); rail and mixer wear items
Payback modelAramis II · Hetwin Automation Systems
No manufacturer payback figure is published for this machine. The model below uses only your inputs.
Your farm

Farm figures carry across machines; the per-machine rates reset when you open a different listing.

Your result · per year
Labour saved
Inputs saved
Total saved

Payback = machine price ÷ (labour + input savings per year). Every figure above is yours to change. FX is indicative.

Verified outcomes

Each result is a before-to-after figure with a time horizon and a cited source. Independently-verified results are marked separately from vendor-claimed ones.

Feeding working timeLabourongoing · Hetwin Aramis II product page
-70%Vendor-claimedManual/tractor-based mixing and feeding → Up to 70% less working time (vendor)
Energy useFuel & energyongoing · Hetwin Aramis II product page
-60%Vendor-claimedComparable self-propelled feeding systems → Up to 60% energy saving via rail guidance and sliding power line (vendor)

EU context

CE markingCE marked
EU Machinery RegulationCompliant — Regulation (EU) 2023/1230 (AT manufacturer); Swiss market access via CH–EU Mutual Recognition Agreement
AI Act relevanceOut of high-risk scope; scheduled barn automation
CAP subsidyEligible under rural-development livestock schemes

Get it

Verified EU dealers
Hetwin Automation SystemsLangkampfen, Tyrol, AT — direct + distributors
HarvestoreCH — Swiss distribution and service (Aramis II, Aranom, Athos)
Request a quote →
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Evidence

Sources

Specifications cross-checked against manufacturer documentation; listing last verified 2026-07-16.

Demo
Demo video on fileManufacturer-hosted · last checked 2026-07-16
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