Reduction Gearbox
medium
Marine reduction and reversing gearboxes for propulsion drive trains
Known Models (4)
MAAG (Flender) Marine Gear Unit
5000-80000 kW
· Propulsion Power Transfer
· Epicyclic/Parallel Shaft Gearbox
type: Epicyclic/Parallel Shaft Gearbox
Common Failures:
- • Pinion bearing failure
- • Gear mesh pattern deterioration
- • Coupling alignment issue
- • Oil foaming from air ingress
Service: Large vessel gearboxes. Continuous oil condition monitoring. Gear tooth inspection at drydock. Alignment check after dry dock.
Spares: Ersatzteile über MAAG (Flender) oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
Renk Marine Gearbox ASL/ASG
500-50000 kW
· Propulsion Power Transfer
· Reduction/Reversing Gearbox
type: Reduction/Reversing Gearbox
Common Failures:
- • Tooth surface fatigue
- • Thrust bearing wear
- • Clutch engagement problem
- • Oil cooler fouling
Service: Renk — premium gearbox manufacturer. Oil analysis and vibration monitoring essential. Full inspection at special survey.
Spares: Ersatzteile über Renk oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
Wärtsilä (Lohmann & Stolterfoht) Marine Gearbox GUE
1000-30000 kW
· Propulsion Power Transfer
· Reduction Gearbox
type: Reduction Gearbox
Common Failures:
- • Gear tooth pitting/spalling
- • Bearing failure
- • Oil pump wear
- • Clutch plate wear (if fitted)
Service: Oil analysis every 3 months. Gear tooth inspection at intermediate survey. Bearing temperature monitoring continuous.
Spares: Ersatzteile über Wärtsilä (Lohmann & Stolterfoht) oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.
ZF Marine ZF Marine Gearbox
100-6000 kW
· Propulsion Power Transfer
· Marine Gearbox
type: Marine Gearbox
Common Failures:
- • Clutch pack wear
- • Oil seal leakage
- • Gear tooth wear
- • Shift cylinder fault
Service: ZF — widely used on workboats and fast ferries. Oil change per ZF specification. Clutch plate inspection at 5000 hrs.
Spares: Ersatzteile über ZF Marine oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.