Actuator DevelopmentIn-house DIDEN Robotics technology
Additional Manufacturer DesignationSpider 30
Autonomous NavigationSupported
Autonomous Route PlanningSupported
AvailabilityCommercially Available
Battery CapacityNot publicly disclosed/verified
Battery Charging TimeNot publicly disclosed/verified
Battery ChemistryNot publicly disclosed/verified
BrandDIDEN
Compatible Climbing SurfacesFerromagnetic steel structures
Country of OriginSouth Korea
Curved Steel Surface MovementSupported
Exact Manufacturer Product NameDiden Spider
Exact Physical Assembly FactoryNot publicly disclosed/verified
Field DeploymentSouth Korean shipyards
First Reported Commercial DeliveryDecember 2025
Foot TechnologyElectropermanent magnetic adhesion
Functional Safety CertificationNot publicly disclosed/verified
Ingress Protection RatingNot publicly disclosed/verified
Leg ArrangementSpider-like radial configuration
Locomotion ControlReinforcement-learning and model-based methods
Locomotion TypePowered quadrupedal walking
Magnetic Foot ActivationElectrical pulse switching
Magnetic Foot DevelopmentIn-house technology using licensed EPM foundations
Magnetic Foot Holding PowerNo continuous electrical power needed to maintain the switched state
Maximum Rated Climbing HeightNot publicly disclosed/verified
Maximum Travel SpeedNot verified for current Spider 30 production version
Maximum Traversable Step HeightNot publicly disclosed/verified
Minimum Passage WidthNot publicly disclosed/verified
NationalitySouth Korea
Number of Legs4
Obstacle AvoidanceSupported
Operating RuntimeNot publicly disclosed/verified
Operating Temperature RatingNot publicly disclosed/verified
Optional Inspection EquipmentSupported
Optional Welding EquipmentSupported
Overhead Steel Surface MovementSupported
Payload ApplicabilityVerified for Spider 30; other revisions not independently specified
Planned Mass Production2027
Published Spider 30 Payload30 kg
Responsible ManufacturerDIDEN Robotics Inc.
Robot CategoryQuadruped Robots
Robot HeightNot publicly disclosed/verified
Robot LengthNot publicly disclosed/verified
Robot LocalizationEnvironmental perception and CAD-based localization
Robot WeightNot publicly disclosed/verified
Robot WidthNot publicly disclosed/verified
Standard Integrated ManipulatorNot publicly disclosed/verified
Vertical Wall ClimbingSupported