Terex
Swivel joint for Terex A380
This complete swivel joint facilitates the transfer of hydraulic fluids, compressed air, and electrical signals between the chassis and the superstructure of the Terex A380 crane. It enables continuous rotation of the upper assembly without twisting lines or cables.
Compatible models
Specifications
- Part number
- N12303-05
- Brand
- Terex
The swivel joint N12303-05 serves as the central interface for hydraulic and electrical systems in the Terex A380 crane. It allows the superstructure to rotate freely relative to the stationary chassis while maintaining a constant connection for fluid power and control signals. By providing a dedicated path for hydraulic lines and electrical wiring through the center of the rotation axis, this assembly prevents damage to hoses and cables that would otherwise occur during slewing operations.
This component is specifically engineered for the Terex A380 rough-terrain crane. It integrates multiple fluid channels and electrical slip rings to ensure that power, data, and pressurized oil reach the boom, winches, and operator cabin regardless of the crane's orientation. The assembly relies on precision seals to contain hydraulic pressure and internal contacts to maintain electrical continuity during movement.
In heavy machinery, a swivel joint acts as the bridge between the lower carrier and the upper rotating structure. It ensures that critical functions such as outrigger control, steering, and superstructure operation remain active and responsive. Proper function of this unit is necessary for the safe and precise operation of the crane in construction and industrial lifting applications.

