24/7 Breakdown Support (Türkiye)
24/7 service support for generator breakdowns; service in the İstanbul and Ankara regions. Report a fault by phone or WhatsApp and see what information to provide.

Service request: Send your service request for your generator and our team will contact you. Service request form
A generator fault is often noticed at the most critical moment. Terex Diesel provides 24/7 service support for generator breakdowns and supplies spare parts throughout Turkey. Service is provided in the İstanbul and Ankara regions; for other locations, our team will contact you. When you report a fault, our technical team assesses the problem and plans the response.
Scope
- 24/7 breakdown reporting and service support line
- Initial assessment and guidance by phone
- On-site fault diagnosis and repair
- Supply of the required spare parts
- Recording of the work carried out on a service form
How to report a breakdown
- Phone: +90 216 634 34 06
- WhatsApp: 0533 582 26 50
- Email: info@terexdiesel.com (for non-urgent requests)
Providing the following information when you report a fault speeds up the response:
- The generator’s model and serial number (a photo of the rating plate is sufficient)
- The address where the generator is located
- The alarm or error message shown on the controller
- When and under what conditions the fault occurred
- The name and phone number of the responsible person
How we work
- Report: You report the fault by phone or on WhatsApp.
- Preliminary assessment: Our technical team assesses the information and, where possible, provides guidance by phone.
- Response: Where necessary, a service visit is scheduled, the fault is diagnosed and the repair is carried out with your approval.
- Record: The work carried out is reported to you on a service form.
The response conditions depend on the nature of the fault and whether a maintenance contract is in place.
Related pages
For service requests other than breakdowns, please use our contact page.
Frequently asked questions
How can I report a breakdown?
You can report a breakdown by phone on +90 216 634 34 06 or via our WhatsApp line on 0533 582 26 50. For non-urgent requests, you can also use the contact form.
What information should I provide when reporting a breakdown?
The generator's model and serial number, its address, the alarm or error message shown on the controller, when and how the fault occurred, and the contact details of the responsible person allow the response to be planned correctly.
How quickly is the response carried out?
The response time depends on the nature of the fault, the generator's location and the parts required. Once your report has been received, you are informed of the planned response. Customers with a maintenance contract are given priority.