Capstan
medium
Vertical-axis rotating machine for warping and line handling.
4000h
Service Interval
Typical Manufacturers
Plimsoll
MacGregor
Known Models (8)
Coastal Marine Equipment (China) CME Capstan
Pull 10-60 kN
· Mooring Lines
type: Vertical Capstan
size_range: ['CME-CAP-10', 'CME-CAP-20', 'CME-CAP-40', 'CME-CAP-60']
power_range_kw: [3, 30]
variant_count_approx: 4
period_start_year: 2005
period_end_year: None
drive_type: Electric
construction: Cast steel, worm gear
Common Failures:
- • Worm gear quality varies
- • Motor insulation issues in humid climates
- • Drum casting quality inconsistent
Service: Kürzere Inspektions-Intervalle empfohlen als bei europäischen OEMs.
Spares: CME China. Lead time: 2-3 weeks China.
Hatlapa / MAN Energy Solutions (Germany) Capstan Type CV
Pull 20-80 kN
· Mooring Lines
type: Vertical Capstan
size_range: ['CV-20', 'CV-40', 'CV-60', 'CV-80']
power_range_kw: [5, 40]
variant_count_approx: 4
period_start_year: 1965
period_end_year: None
drive_type: Electric / Hydraulic
construction: Cast steel, vertical drum, worm gear
Common Failures:
- • Worm gear wear
- • Motor bearing failure from deck exposure
- • Drum surface wear
Service: Standard capstan maintenance. Worm gear oil annually.
Spares: MAN PrimeServ. Lead time: 3-6 weeks.
Kawasaki Heavy Industries (Japan) KCP Capstan Series
Pull 20-80 kN
· Mooring Lines
type: Vertical Capstan
size_range: ['KCP-20', 'KCP-40', 'KCP-60']
power_range_kw: [5, 35]
variant_count_approx: 3
period_start_year: 1975
period_end_year: None
drive_type: Electric
construction: Cast steel, vertical drum, worm gear
Common Failures:
- • Worm gear wear
- • Motor insulation degradation
- • Drum surface wear
Service: Standard capstan maintenance.
Spares: KHI Japan. Lead time: 3-5 weeks Asia.
MacGregor MC-E Electric Capstan
80 kN pull
· Anchor Chain / Mooring Lines
Common Failures:
- • Slip ring corrosion
- • Thermal overload trips
- • Cable gland ingress
Service: Keep motor ventilation openings clear. Inspect slip rings annually.
Spares: MacGregor: Bremsbeläge an Bord vorhalten. Lead time: 3-6 Wochen.
MacGregor / Cargotec (Finland) Pusnes Capstan Range
Pull 20-100 kN
· Mooring Lines
type: Vertical Capstan (Warping)
size_range: ['CAP-20', 'CAP-40', 'CAP-60', 'CAP-100']
power_range_kw: [5, 50]
variant_count_approx: 4
period_start_year: 1970
period_end_year: None
drive_type: Electric / Hydraulic
construction: Cast steel, vertical drum, worm gear drive
Common Failures:
- • Worm gear wear after 15,000-20,000 hrs
- • Motor overheating from extended use beyond duty cycle
- • Drum surface wear from rope friction
- • Foundation bolt loosening from vibration
Service: Worm gear oil change annually. Motor insulation test annually. Drum surface check at drydock. Duty cycle: typically 30 min on / 30 min off.
Spares: MacGregor/Cargotec. Lead time: 3-6 weeks.
Plimsoll PC-Series Capstan
50 kN pull
· Anchor Chain / Mooring Lines
Common Failures:
- • Warping head bearing wear
- • Motor brush wear (DC types)
- • Foundation bolt loosening
Service: Grease warping head bearing monthly. Check foundation bolts quarterly.
Spares: Plimsoll: Bremsbeläge an Bord vorhalten. Lead time: 3-6 Wochen.
Rolls-Royce / Kongsberg Maritime (UK/Norway) Capstan Range
Pull 20-100 kN
· Mooring Lines
type: Vertical Capstan
size_range: ['RR-CAP-20', 'RR-CAP-50', 'RR-CAP-100']
power_range_kw: [5, 50]
variant_count_approx: 3
period_start_year: 1990
period_end_year: None
drive_type: Electric / Hydraulic
construction: Cast steel, worm gear, weather-protected motor
Common Failures:
- • Worm gear wear
- • Motor overheating
- • Drum surface wear
Service: Standard capstan maintenance.
Spares: Kongsberg Maritime. Lead time: 3-6 weeks.
Towimor (Poland) Capstan Series
Pull 10-60 kN
· Mooring Lines
type: Vertical Capstan
size_range: ['TW-CAP-10', 'TW-CAP-20', 'TW-CAP-40', 'TW-CAP-60']
power_range_kw: [3, 30]
variant_count_approx: 4
period_start_year: 1960
period_end_year: None
drive_type: Electric / Hydraulic
construction: Cast steel, worm gear
Common Failures:
- • Worm gear wear
- • Motor moisture ingress
- • Drum surface deterioration
Service: Standard capstan maintenance.
Spares: Towimor Torun. Lead time: 2-4 weeks Europe.