RAIBO2 is a robust and energy-efficient quadrupedal robot designed for long-term use in challenging environments, developed by RAILAB. It weighs 42 kg and can reach speeds of up to 6 m/s, ensuring reliable performance with up to 8 hours of continuous operation. Its modular hollow-shaft actuators provide both strength and flexibility, enabling it to handle demanding tasks with precision. Additionally, RAIBO2 is designed to be easily serviceable and manufacturable, making it a practical and cost-effective solution for industrial applications where durability and efficiency are essential.