Tunnel Thruster · Bow/Stern Thrusters
The NIG‑TT‑100 is a stern‑mounted tunnel thruster from Niigata Marine delivering up to 12 kN of thrust at 100 kW, designed for precise low‑speed maneuvering and dynamic positioning on medium‑size vessels.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect propeller and tunnel or retractable housing when accessible, seals, gearbox or bearings, lubrication, motor or hydraulic drive and control feedback. Review vibration, oil condition, temperature and thrust response. Test bridge and local control under an approved manoeuvring procedure. Refer to the manufacturer documentation for the exact figure for lubrication, clearance, electrical and wear limits.
Carry seals, filters, approved lubricant, motor-control or drive spares, feedback sensors and critical hydraulic, steering or electrical components.
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