Here is a robotic arm made to withstand harsh conditions. The RE2 Sapien 6M Robotic Arm has 6 degrees of freedom and 50kg capacity. It has continuous wrist and elbow roll joints to manipulate objects with precision. It can be used for autonomous manipulation in unstructured environments.
This robot weighs 44.2kg. It has a horizontal reach of 1282mm. It is IP66 rated with a temperature range of -20 to 50C. The below video shows it in action: