The hydraulic tumbler ensures even absorption of marinade by the meat, enhances the binding force and elasticity of the product, improves texture and cross-sectional appearance, increases water retention, boosts yield, and refines the internal structure of the product—all while being energy-efficient and highly effective. The entire machine is constructed from stainless steel with a compact design. Both ends of the drum feature a spin-sealed cap structure, maximizing the tumbling space inside the drum to ensure uniform massaging of the product. It operates with low noise, reliable performance, and simple operation, delivering higher efficiency.