
Sigma AGV Tugger - 35 Ton, indoor & outdoor
Autonomous tugger train with all-weather design and smart trailer coupling

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The Sigma AGV is a robust, fully autonomous tugger designed to move loads of up to 35,000 kg with ease – indoors and outdoors. Whether handling one or multiple trailers, this AGV model navigates your site independently, adapting to changing situations thanks to advanced navigation, obstacle detection, and the EasyTrailer automatic coupling system.
Ideal for intensive, repetitive transport in complex environments where safety, reliability, and flexibility are non-negotiable. Built for 24/7 operation. Engineered for your logistics.
Towing capacity: up to 35,000 kg (depending on configuration)
Navigation: Lidar + GPS + 360° obstacle detection sensors
Battery: LTO – fully charged in ±12 minutes
Integration: Connects with WMS/ERP (including SAP)
Temperature range: -10°C to +40°C (with weather package)
Many businesses still rely on manual tuggers or forklifts for repeated shuttle runs between halls or buildings. Sigma replaces that with an autonomous, safe, and scalable solution. It couples trailers automatically, determines the safest, fastest route, and executes flawlessly – day in, day out.
Continuous supply to production lines
Flexible use in existing warehouses
Perfect for just-in-time flows
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Sigma continuously scans its environment in real time with a full suite of sensors, cameras, and laser technology:
Three laser scanners for obstacle detection and positioning
Forward-facing 3D cameras for zone monitoring
Reflector scanning for exact trailer and location recognition
GPS support for outdoor routing
EasyTrailer system for automatic coupling and uncoupling
Encountering an obstacle? Sigma stops safely or recalculates an alternative route – without external help. Even in heavy rain or fog, it adapts automatically to conditions.
Based on STILL LTX 50 tugger
Towing capacity: up to 35,000 kg (depending on configuration)
Dimensions: ± 250 x 110 x 305 cm
Vehicle weight: ± 750 kg
Fully electric, regenerative braking + emergency stop
Travel speed up to 3.9 m/s
Lithium-titanate (LTO), supports opportunity charging
Full charge cycle in ±12 minutes
Over 20,000 charging cycles
Standard: +5°C to +40°C
Outdoor package: -10°C to +40°C
Weatherproof chassis for outdoor operation
Noise level: < 70 dB(A)
360° obstacle detection via three laser scanners
Forward-facing 3D cameras
Reflector scanning & trailer recognition
CE marking
ISO 3691-4
NIS2
| Feature | Sigma AGV | Traditional tugger |
|---|---|---|
| Towing capacity | Up to 35 tonnes | Limited to a few tonnes |
| Trailer coupling | Automatic via EasyTrailer | Manual |
| Indoor & outdoor operation | ✅ | Often indoor only or with manual guidance |
| Navigation | Lidar + GPS, dynamic route planning | Fixed route or manual driving |
| Autonomy | Fully autonomous, no operator required | Operator required or limited autonomy |
| Weather resistance | All-weather use with outdoor package | Generally not suitable for outdoor use |
"The transport of goods between our production and shipping departments is now fully automated. We’ve saved countless manual hours and significantly increased safety."
— Rik Muylle, COO Summa