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Kawasaki Heavy Industries (Japan)
KBT Series (Tunnel Thruster)
The Kawasaki KBT series is an electric tunnel bow thruster featuring a CP (controllable pitch) propeller and planetary gear within a steel tunnel, delivering high thrust for precise low‑speed maneuvering.
50-3,000 kN thrust
Capacity
Seawater
Medium
Components & Design
Component data being added…
Technical Data
type
Tunnel Bow Thruster (FP/CP)
variant count approx
5
period start year
1975
drive type
Electric
construction
CP propeller, planetary gear, steel tunnel
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Common failures & inspection points
●Planetary gear bearing failure
●CP hub mechanism hydraulic leak
●Motor insulation degradation
●Propeller blade cavitation erosion
Service & Maintenance
Standard tunnel thruster maintenance. Gear oil analysis every 1,000 hrs. CP system overhaul every 20,000 hrs.
Suppliers & Spare Parts
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Maritime Network →Replacement Parts
Kawasaki Heavy Industries (Kobe, Japan). Lead time: 3-6 weeks Asia, 6-10 weeks elsewhere.
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Equipment Model #37793
· ✓ still in production