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Schottel (Germany)
STT Series (Transverse Tunnel Thruster)
The Schottel STT series is a transverse tunnel bow thruster that provides high thrust for low‑speed maneuvering, featuring a steel tunnel, gear‑driven FP propeller and optional electric or hydraulic drive.
20-2,000 kN thrust
Capacity
Seawater
Medium
Components & Design
Component data being added…
Technical Data
type
Tunnel Bow/Stern Thruster
variant count approx
5
period start year
1980
drive type
Electric / Hydraulic
construction
FP propeller, gear drive, steel tunnel
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Common failures & inspection points
●Gear box oil leak from shaft seal wear
●Electric motor moisture ingress
●Propeller blade erosion
●Tunnel grid corrosion/damage from debris
Service & Maintenance
Gear oil analysis every 1,000 hrs. Motor insulation test annually. Propeller inspection at drydock. Tunnel grid inspection at drydock.
Suppliers & Spare Parts
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Maritime Network →Replacement Parts
Schottel global network. Lead time: 3-6 weeks.
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Equipment Model #37791
· ✓ still in production