Galileo S1 Series Robot Dogs

Heavy-Duty Industrial Applications

The S1 Series is Galileo’s large industrial robot-dog family, designed for work where the lighter C1 and E1 platforms may not provide enough moving-payload capacity. Galileo and the World Robot Conference identify industrial inspection, high-altitude material transportation, large-equipment inspection and emergency rescue as its principal applications.

Its 100 kg continuous walking load allows it to transport larger sensor packages, cargo containers, communications equipment or rescue supplies while continuing to move. This makes the S1 more relevant to physical transport and equipment-carrying missions than robot dogs primarily designed for observation.

The IP67 rating, −20°C to 55°C operating range, slope capability and ability to negotiate consecutive steps also support outdoor and unstructured environments. However, suitability still depends on the actual surface, payload distribution, route, weather and selected sensors. 

Payloads, Computing and System Integration

The S1’s most important figure is its 100 kg continuous walking load. Galileo separately demonstrates and specifies a 170 kg standing-load capability, but that larger figure is not the weight the robot can transport while moving.

Galileo describes configurable payload interfaces for inspection sensors, cargo or transport containers and rescue equipment. The platform supplies 48 V power, with an expandable 24 V option, together with Ethernet, USB 3.0 and RS485 communications. This creates a practical foundation for connecting mission-specific hardware, although the exact electrical limits, connector arrangement and supported software protocols should be confirmed before integration.

The onboard architecture combines an ARM computer with a separate x86 computer, allowing motion-control and application-processing workloads to be divided between two systems. Galileo also refers to high-precision sensing modules, but it does not publish a definitive standard sensor list on the main S1 page. Cameras, LiDAR, thermal imaging, gas sensing and similar equipment should therefore be described as configuration-dependent unless Galileo confirms that they are included in a particular package.

Choosing Between S1 and S1-W

The S1 and S1-W share the same 100 kg continuous walking load, 170 kg standing load, dual-battery capacity, IP67 rating, temperature range, onboard computing and 30° slope specification. The main differences are their locomotion format, weight, speed, height and endurance.

The S1 is the lighter conventional quadruped. It weighs 118 kg and offers the longer listed operating time of 3.5–5 hours. The S1-W weighs 128 kg and uses a wheel-legged configuration, increasing maximum speed from 3.5 to 6 m/s but reducing listed endurance to 2.5–4 hours. Its forward platform-height figure is also higher, although this should not be treated as a universal obstacle-clearance guarantee.

Model: S1
Walking load: 100 kg | Standing load: 170 kg | Weight: 118 kg | Speed: 0–3.5 m/s | Endurance: 3.5–5 hours
Best suited for: Heavy-load deployments prioritising conventional legged locomotion, lower robot weight and longer operating time.

Model: S1-W
Walking load: 100 kg | Standing load: 170 kg | Weight: 128 kg | Speed: 0–6 m/s | Endurance: 2.5–4 hours
Best suited for: Heavy-load missions where faster travel over firm or mixed surfaces makes wheel-legged mobility worthwhile.

S1 Series vs Other Galileo Robot Dogs

The S1 is not simply a faster E1; its main difference is much greater moving-load capacity. Galileo’s currently published families cover progressively heavier general applications, while the EX-1 addresses a separate hazardous-environment requirement. 

Series: C1 / C1-W — Small industrial and consumer
Weight: 22–28.5 kg | Continuous load: 12 kg | Maximum speed: 3–5 m/s | Endurance: 3–5 hours
Best suited for: Education, development, lighter sensor payloads and small-equipment inspection. Galileo specifies IP67 for the joints rather than the complete C1 robot.

Series: E1 / E1-W — Medium industrial
Weight: 52–60 kg | Continuous walking load: 30 kg | Standing load: 100 kg | Maximum speed: 3.5–6 m/s | Endurance: 2.5–4.5 hours
Best suited for: Industrial inspection, infrastructure monitoring, security and emergency-response support requiring a medium payload.

Series: S1 / S1-W — Large industrial
Weight: 118–128 kg | Continuous walking load: 100 kg | Standing load: 170 kg | Maximum speed: 3.5–6 m/s | Endurance: 2.5–5 hours
Best suited for: Heavy equipment, cargo transport, large sensor packages and demanding industrial or emergency-response missions.

Series: EX-1 — Explosion-proof quadruped
Weight: 120 kg | Continuous walking load: 30 kg | Speed: 1 m/s | Endurance: 2 hours | Protection: IP67 and Ex IIB T4 Gb
Best suited for: Petrochemical and other hazardous locations requiring a specifically rated explosion-proof platform.

In practical terms, choose C1 for compactness, E1 for balanced industrial mobility, S1 for genuinely heavy moving loads, and EX-1 when certified explosion protection is more important than speed or payload capacity.