Ram-Type Steering Gear
critical
IMO Required
12 / 12 Modelle (Inspector)
Hydraulic ram (piston) type steering gear for larger vessels
4000h
Service Interval
5 yr
Class Survey
30 yr
Typical Lifetime
Typical Manufacturers
Kawasaki
MacTaggart Scott
4 Hersteller · 12 Modelle
🏭
MacGregor
5 ✓ 5 verifiziert⚙️
Hatlapa HRP-100
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.8
series: HRP
type: ram_type
⚙️
Hatlapa HRP-200
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.8
series: HRP
type: ram_type
⚙️
Hatlapa HRP-300
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.8
series: HRP
type: ram_type
⚙️
Hatlapa HRP-400
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.8
series: HRP
type: ram_type
⚙️
Hatlapa HRP-600
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.8
series: HRP
type: ram_type
🏭
Kongsberg
4 ✓ 4 verifiziert⚙️
Tenfjord RR100
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.85
series: RR
torque_kNm: 100
type: ram_type
⚙️
Tenfjord RR200
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.85
series: RR
torque_kNm: 200
type: ram_type
⚙️
Tenfjord RR400
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.85
series: RR
torque_kNm: 400
type: ram_type
⚙️
Tenfjord RR600
✓ verifiziert
source: llm_reference_catalog
needs_verification: True
catalog_added_at: 2026-05-22 14:11:11
confidence: 0.85
series: RR
torque_kNm: 600
type: ram_type
🏭
Kawasaki
2 ✓ 2 verifiziert⚙️
KR-150
✓ verifiziert
Inspector
1500 kNm torque
· 55.0 kW
· Hydraulic oil
Common Failures:
- • Ram seal leakage
- • Tiller pin wear
- • Hydraulic pipe fracture
- • Relief valve malfunction
Service: 4-ram Rapson slide type; check tiller pin clearance at class survey.
Spares: Kawasaki: Dichtungssatz und Magnetventile an Bord vorhalten. Lead time: 3-8 Wochen.
⚙️
KR-80
✓ verifiziert
Inspector
800 kNm torque
· 30.0 kW
· Hydraulic oil
Common Failures:
- • Ram seal wear
- • Crosshead bearing wear
- • Oil level drop from internal leak
Service: 2-ram type for smaller vessels; test both power units independently.
Spares: Kawasaki: Dichtungssatz und Magnetventile an Bord vorhalten. Lead time: 3-8 Wochen.
🏭
MacTaggart Scott
1 ✓ 1 verifiziert⚙️
DE-Val 300
✓ verifiziert
Inspector
3000 kNm torque
· 75.0 kW
· Hydraulic oil
Common Failures:
- • Cylinder seal failure
- • Rapson slide wear
- • Piping fatigue crack
- • Pump unit failure
Service: Large tanker/bulker steering; redundant pump system mandatory.
Spares: MacTaggart Scott: Dichtungssatz und Magnetventile an Bord vorhalten. Lead time: 3-8 Wochen.