Volka MakinaCTP
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A family company,
since 1995.

Volka Makina is the specialist company built to take Gültekinler Group's heavy machinery spare parts business into international export markets. Our story began in 1995, when İsmet Gültekin started trading CAT spare parts in Istanbul.

Today, from our headquarters at the Istanbul World Trade Center and our Tuzla Free Zone warehouse, we export to 22 countries, and since January 2026 we have been the authorized regional distributor of Costex Tractor Parts (CTP) for Turkey.

Istanbul World Trade Center buildings, home of Volka Makina's headquarters
Our headquarters: Istanbul World Trade Center, Bakırköy

Our story

More than thirty years on the road

A business that started with CAT spare parts grew into a multi-sector group run with a holding-company culture, and into international export: three decades of know-how, three generations of supply discipline.

  1. Entering the trade

    İsmet Gültekin began trading CAT spare parts in Istanbul, laying the foundations of our supply discipline.

  2. Gültekinler Limited Şirketi

    Seven years of know-how became a corporate structure and the company officially entered the market.

  3. Gültekinler Group

    Hospitality, steel doors, chemicals, coatings and bonded warehousing: a holding active in six sectors.

  4. Volka Makina founded

    Led by Baran and İsmet Gültekin, Volka Makina Dış Ticaret A.Ş. was founded to focus on export.

  5. Export network grows

    Regular shipments to the Middle East, the Caucasus, the Turkic Republics and Eastern Europe; the Tuzla Free Zone warehouse opened.

  6. Authorized CTP distributor

    We became CTP's authorized regional distributor for Turkey: factory-warrantied parts at direct manufacturer pricing.

One Family,
Three Generations

The foundation laid by our founder İsmet Gültekin in 1995 grew under the corporate leadership of his son Baran Gültekin and is now being handed to a new generation through his grandson Mehmet Bedirhan Gültekin. Same discipline, same promise, across three generations.

1st generation · Founder

İsmet Gültekin

Chairman of the Board

Laid Volka Makina's foundations in 1995. He brought thirty years of know-how into a holding-company culture under Gültekinler Group and organized the family around supply discipline.

2nd generation · Execution

Baran Gültekin

General Manager

Led the founding of Volka Makina Dış Ticaret A.Ş. in 2022. He runs the company's international export operations and develops the structure of its 22-country export network.

3rd generation · Future

Mehmet Bedirhan Gültekin

Board Member

As the third generation's representative he is shaping Volka Makina's future, carrying the family legacy forward in digital transformation, international growth and corporate governance.

Headquarters and warehouse

Sales and management in Istanbul, logistics and storage in the Tuzla Free Zone. Two addresses, one team.

Istanbul World Trade Center, Volka Makina headquarters

Headquarters

Istanbul World Trade Center, EGS Business Park, B Block No: 12, Suite 337, 34140 Bakırköy/Istanbul
Spare parts boxes on shelves in the Tuzla Free Zone warehouse

Tuzla Free Zone Warehouse

Aydınlı SB, Kodalak St., Osmet Building No: 11/Z01, 34953 Tuzla/Istanbul

Gültekinler Group: six sectors, one discipline

Volka Makina is the heavy machinery spare parts arm of Gültekinler Group. The operational discipline built across the group's other businesses is the silent partner of our export work.

  • Heavy machinery spare parts, rental and service

    Our core business since 1995. Exports to 22 countries under Volka Makina, plus CAT machinery service, spare parts and rental in Turkey.

    BrandGültekinler Caterpillar Heavy Machinery

  • Hospitality

    Lodging and tourism investments. The group's service-minded discipline draws from this line.

    BrandCenka Hotel

  • Steel door manufacturing

    Domestically produced steel doors; manufacturing and quality control experience.

    BrandGültekin Steel Door

  • Chemicals (automotive coatings)

    Industrial chemicals and automotive paint supply; color standards and regulatory expertise.

    BrandAxalta Automotive Coatings

  • Wood coatings

    Furniture and wood surface coating supply; color standards and quality processes.

    BrandAKZONOBEL Kemipol Wood Coatings

  • Bonded warehousing

    Bonded-zone and storage services that directly support Volka's export logistics.

    BrandGültekinler Warehousing

Three principles that make Volka, Volka

We know what an idle machine costs; every quote we prepare follows these three principles.

  1. Continuity

    Every hour a machine stands idle costs money. We promise our customers continuous, uninterrupted supply, backed by logistics across a 22-country export network and our European reach network.

  2. Transparency

    Genuine or aftermarket, we always say which is which. Open prices, a transparent process and complete documentation.

  3. Expertise

    7 brands, 20+ categories and more than thirty years in the trade. Recommending the right part takes technical knowledge, and we have it.

Spare parts for 7 industry-leading brands

We are CTP's authorized distributor and also supply genuine and aftermarket parts for Caterpillar, Komatsu, Liebherr, Volvo CE, JCB and Hitachi machines.

Authorized distributor

Costex Tractor Parts

US manufacturer founded in 1985. Worldwide distribution across engine, undercarriage, hydraulics, ground engaging tools and filters. Volka Makina has been its regional distributor for Turkey since January 2026.

Caterpillar

The world's largest heavy machinery manufacturer. Genuine and aftermarket parts for excavators, dozers, loaders and motor graders.

Komatsu

Japanese manufacturer. Comprehensive parts support for PC excavators, D dozers and WA loaders.

Liebherr

German/Swiss manufacturer. Spare parts for R excavators, L loaders and the heavy crane family.

Volvo Construction Equipment

Swedish manufacturer. Parts for EC excavators, A articulated haulers and L loaders.

JCB

British manufacturer. A broad parts inventory for backhoe loaders, telehandlers and JS excavators.

Hitachi Construction Machinery

Japanese manufacturer. Parts for ZX (Zaxis) excavators, ZW loaders and EX mining excavators.

All brand names and logos are registered trademarks of their respective owners and are used only to indicate part compatibility. Volka Makina is CTP's authorized distributor and supplies genuine and aftermarket spare parts for other brands' machines.

Let's work together

Tell us the part you need and we will find the solution together. Type the numbers or call us; your quote with genuine and aftermarket options arrives within 24 hours.