
Development and manufacturing of wheelsets, wheels, axles and spare parts for rail vehicles.

GHH-BONATRANS
New on Amplifa
About GHH-BONATRANS
GHH-BONATRANS develops and produces wheelsets and their components for all types of rail vehicles: high-speed and mainline trains, metro, trams, locomotives and freight wagons. The portfolio comprises complete wheelsets, monoblock wheels, axles, spare parts, wheel noise dampers, rubber-sprung resilient wheels for metro applications as well as protective coatings for wheelsets. In its own materials development, enhanced steel grades such as BONASTAR® ER7 according to EN 13262 have been developed, enabling up to 30 % longer wheel life. In addition to manufacturing, the company offers full-service solutions including tyre replacement, maintenance and recycling. The products are supplied to more than 80 countries worldwide.
- Processes
- Development and production of wheelsets for rail vehicles, Manufacturing of monoblock wheels (e.g. BONA830EM wheel rim wheels), Production of wheelsets, wheels, axles and spare parts, Protective coating for wheelsets, Development of steel grades for wheels (Enhanced Steel Grades, BONASTAR® ER7), Wheel noise dampers for wheelsets, Rubber-sprung resilient wheels (rubber-sprung wheels for metro), Wheelset services including tyre replacement / maintenance (Tyre Replacement, Full-Service
- Materials
- BONASTAR® ER7 (enhanced ER7 steel grade), ER7 steel grade for railway wheels, Steel (wheels, axles, wheelset components), BONASTAR® ER7 (enhanced ER7 steel grade according to EN 13262)
- Certificates
- TSI WAG (Freight Wagons) conformity, EN 13262:2020 (Production), EN 13979-1 (Wheel Design), EcoVadis Bronze Medal (top 35% of the industry), TSI WAG (Freight Wagons), EcoVadis Bronze
- Industries
- High-speed and mainline trains, Metro, Tram, Locomotive, Freight wagons, Rail transport
- 01
Development and engineering
- 02
Production of wheels, axles and wheelsets
- 03
Wheelset assembly
- 04
Coating
- 05
Services and recycling
Materials & Processes
BONASTAR® ER7 (enhanced ER7 steel grade according to EN 13262)
Enhanced wheelset steel grade with increased wear and RCF resistance for up to 30 % longer wheel life.
ER7 steel grade for railway wheels
Standard steel grade according to EN 13262 for the manufacture of railway wheel rims.
Steel (wheels, axles, wheelset components)
Base material for wheels, axles and wheelset components.
Components




Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Development and production of wheelsets for rail vehiclesEngineering | – | – | – | – | Steel (wheels, axles), BONASTAR® ER7 steel |
| Manufacturing of monoblock wheels (e.g. BONA830EM wheel rim wheels)Forming | – | Room size up to operating diameter 830 × 840 mm (variant with customary | Axle load 25 t (permissible wheelset | – | BONASTAR® ER7 according to EN 13262, ER7 steel grade according to EN 13262 |
| Production of wheelsets, wheels, axles and spare partsAssembly | – | – | – | – | Steel |
| Protective coating for wheelsetsSurface | – | – | – | – | Steel (wheelset components) |
| Development of steel grades for wheels (Enhanced Steel Grades, BONASTAR® ER7)Engineering | – | – | – | – | BONASTAR® ER7 (enhanced ER7 grade according to EN 13262) |
| Wheel noise dampers for wheelsetsAssembly | – | – | – | – | – |
| Rubber-sprung resilient wheels (rubber-sprung wheels for metro)Forming | – | – | – | – | Steel, Elastomer/rubber (implied by rubber-sprung) |
| Wheelset services including tyre replacement / maintenance (Tyre Replacement, Full-ServiceEngineering | – | – | – | – | – |
Additional services
Reference customers
Quality
Production is carried out in accordance with EN 13262:2020; the wheel design complies with EN 13979-1. Quality inspection and certifications according to TSI WAG ensure the safety of the delivered wheelsets.
| Evidence | GHH-BONATRANS |
|---|---|
| TSI WAG (Freight Wagons) | |
| EN 13262:2020 (Production) | |
| EN 13979-1 (Wheel Design) | |
| EcoVadis Bronze |
History
- 2025
Won the EcoVadis Bronze medal (top 35 % of the industry).
- 2026
2nd place in the Employer of the Year 2026 competition in the Moravian-Silesian Region.
- 2026
Eleventh edition of the Bonagrant programme launched.
- 2026
Bonatrans Group a.s. supports nature conservation and biodiversity (Asian black bear).