Spare Parts & Service
Köysan Gearbox Spare Parts and Service
How to submit a spare parts or service request for Köysan® marine gearboxes: the information to include and the ways to contact us.
Short answer
You can send spare parts and service requests for Köysan® marine gearboxes directly to us. To help us identify the correct part, include the gearbox model, serial number and, if possible, product photographs in your request.
What to include in your request
| Information | Why it is needed |
|---|---|
| Gearbox model (e.g. H-1) | Identifies which product the part belongs to. |
| Serial number | Lets us identify the unit precisely. |
| Photographs of the unit and part | Help confirm the part visually. |
| Engine make and model | Needed to check the connection and compatibility. |
| Fault symptoms (for service requests) | Let us assess the likely cause in advance. |
Before sending a unit for service
Some symptoms can be understood with simple checks. Oil level, oil colour and control cable adjustment are the first checkpoints, explained in detail in our guides:
Current models
| Model | Type | MAX RPM | DRY WEIGHT | REDUCTION |
|---|---|---|---|---|
| Köysan® A-1 | MECHANICAL | 4,000 rpm | 51 kg | 1.0:1 · 1.5:1 · 2.0:1 · 2.5:1 |
| Köysan® H-1 | HYDRAULIC | 3,000 rpm | 110 kg | 1.0:1 · 1.5:1 · 2.0:1 · 2.5:1 · 3.0:1 |
| Köysan® H-2 | HYDRAULIC | 3,000 rpm | 100 kg | 2.0:1 |
| Köysan® H-3 | HYDRAULIC | 3,000 rpm | 150 kg | 1.0:1 · 1.5:1 · 2.0:1 · 2.5:1 · 3.0:1 |
| Köysan® H-4 | HYDRAULIC | 4,500 rpm | 40 kg | 1.0:1 · 1.5:1 · 2.0:1 · 2.5:1 |
Frequently asked questions
Can I request spare parts for older Köysan gearboxes?
Yes. Send your request with the model and serial number; part availability is assessed for that model and we will get back to you.
How can I send a spare parts request?
Through the quote form, WhatsApp, phone or e-mail. Sending photographs by WhatsApp or e-mail is the easiest way.
Can I also get a quote for a new gearbox here?
For a new gearbox quote, see the Price Quote page for the information required.