"> Brunvoll AS AR63, AU63, AW63
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Engines
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Brunvoll AS

AR63, AU63, AW63

Brunvoll AR63/AU63/AW63 are compact tunnel thrusters (bow or stern) designed for precise low‑speed manoeuvring, featuring a sealed tunnel and interchangeable electric (AR), hydraulic (AU) or azimuth (AW) drive options.

Thrust per Hersteller-Datenblatt
Capacity
Seawater
Medium

Components & Design

Component data being added…

Technical Data

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Common failures & inspection points

●Gearbox oil leakage due to shaft seal wear after 15,000–20,000 operating hours
●Propeller blade edge erosion due to cavitation
●Hydraulic motor leakage in hydraulic variants
●Electric motor insulation degradation due to moisture

Service & Maintenance

Gearbox oil analysis every 1,000 operating hours. Motor insulation test annually. Propeller inspection at docking. Tunnel strainer inspection at docking.

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Replacement Parts

Brunvoll AS: gearbox oil and seals to be kept aboard. Lead time: 3–6 weeks.
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Equipment Model #2715 · ✓ still in production