Slewing system in Tadano cranes plays an important role in the safe and accurate rotation of the crane boom. Failure in this part can cause unusual sounds, vibration during rotation, decrease in movement accuracy or even complete stop of the rotary operation.
Tosun Crane Group in Tehran with experience in specialized repairs of heavy cranes, offers professional repair services of Tadano 25 ton crane swing arm. In this process, all related components, including rotating bearings, ring gears, rotating motor, hydraulic system and related electrical parts are checked and repaired or replaced if needed.
The services of this department include:
- Complete troubleshooting of the crane rotating system
- Repairing and adjusting the Tadano 25 ton rotating bucket
- Checking the ring gear and rotating bearings
- Fixing noise, lagging and jamming during rotation
- Service and adjustment of the rotating motor and gearbox
- Final performance test after repair
Our goal at Tucson Cranes is to restore accurate and safe operation of your crane slewing system and reduce machine downtime. You can contact our experts to receive advice and register a repair request.


