Propeller Shaft
critical
IMO Required
7 / 269 Modelle (Inspector)
Main propeller shaft transmitting engine power to propeller
5 yr
Class Survey
30 yr
Typical Lifetime
Typical Manufacturers
Wartsila
MAN
Kawasaki
4 Hersteller · 7 Modelle
🏭
Scana
4 ✓ 4 verifiziert⚙️
Scana Propeller Shaft 200
✓ verifiziert
200 mm diameter
shaft_type: propeller shaft
diameter_mm: 200
material: forged steel
application: marine shaft line
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
Scana Propeller Shaft 300
✓ verifiziert
300 mm diameter
shaft_type: propeller shaft
diameter_mm: 300
material: forged steel
application: marine shaft line
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
Scana Propeller Shaft 400
✓ verifiziert
400 mm diameter
shaft_type: propeller shaft
diameter_mm: 400
material: forged steel
application: marine shaft line
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
⚙️
Scana Propeller Shaft 500
✓ verifiziert
500 mm diameter
shaft_type: propeller shaft
diameter_mm: 500
material: forged steel
application: marine shaft line
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22T14:21:18.789816+00:00
confidence: high
🏭
Kawasaki
1 ✓ 1 verifiziert⚙️
Forged Shaft 500mm
✓ verifiziert
Inspector
20000 kW
· N/A (mechanical)
Common Failures:
- • Surface fatigue crack
- • Corrosion pitting
- • Propeller taper fit loosening
Service: Large vessel shaft; hydraulic propeller fitting; withdrawal every 2nd special survey.
Spares: Kawasaki: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.
🏭
MAN
1 ✓ 1 verifiziert⚙️
Forged Shaft 350mm
✓ verifiziert
Inspector
8000 kW
· N/A (mechanical)
Common Failures:
- • Fretting corrosion at coupling
- • Torsional vibration damage
- • Bearing journal wear
Service: MAN-spec shaft; torsional vibration analysis required at design stage.
Spares: MAN: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.
🏭
Wärtsilä
1 ✓ 1 verifiziert
Forged Steel Shaft 400mm
✓ verifiziert
Inspector
12000 kW
· N/A (mechanical)
Common Failures:
- • Surface cracking from fatigue
- • Corrosion at stern tube area
- • Keyway stress concentration
Service: Class survey mandatory; check for cracks with NDT at tailshaft withdrawal.
Spares: Wärtsilä: Dichtungs-Elemente und Verschleißmesswerkzeuge an Bord vorhalten. Lead time: 4-8 Wochen.