Tunnel Thruster · Bow/Stern Thrusters
The Schottel STT 400 kW bow thruster is a compact tunnel‑type thrust unit delivering up to 48 kN of lateral force, with an integrated electric motor and a single propeller within an 820 mm diameter tunnel.
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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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