"> Kawasaki Heavy Industries (Japan) KBT Series (Tunnel Thruster)
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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.

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Replacement Parts

Kawasaki Heavy Industries (Kobe, Japan). Lead time: 3-6 weeks Asia, 6-10 weeks elsewhere.
Equipment Model #37793 · ✓ still in production