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Voith Carbon4Tank
- The Voith Carbon4Tank is a certified 700 bar Type IV hydrogen tank, designed for a broad range of transport and industrial applications.
- Combining CFRP technology with a PA6 liner and Voith’s proprietary TowPreg winding process, it delivers an outstanding weight-to-performance ratio and long service life.
- With 14.2 kg H₂ capacity, 11,000 refueling cycles, and a 15-year design life, Carbon4Tank ensures durability and safety for trucks, buses, marine vessels, construction machinery, special-operations vehicles, and agricultural equipment.
- Certified to UN ECE R134.02 (Part 1 and 2) and manufactured in Germany under automotive-grade processes, it sets a new benchmark in hydrogen storage.
- Carbon4Tank — lightweight, durable and ready to drive the decarbonization of transport and machinery across multiple sectors.
Voith Carbon4Tank
- The Voith Carbon4Tank has been specifically developed for demanding transport and machinery applications, setting a new benchmark in hydrogen storage technology.
- Designed as a Type IV composite pressure vessel, it combines state-of-the-art carbon fiber engineering with Voith’s proprietary TowPreg winding process and decades of expertise in composites manufacturing. The result is a lightweight, durable and safe hydrogen tank “Made in Germany,” suitable for both H2-FC and H2-ICE applications.
- As a ready-to-integrate solution, the Carbon4Tank includes on-tank valve and end plug as well as a pressure + 2x temperature sensors and is engineered for straightforward implementation into existing platforms. Thanks to its smart engineering, it can be installed both vertically and horizontally, offering maximum flexibility for diverse vehicle and machinery architectures. This minimizes integration effort while maximizing safety, performance, and long-term reliability.
Key benefits of the Carbon4Tank:
- First in class: The first certified hydrogen tank of its kind, tested and approved according to UN ECE R134.02 (Part 1 and 2)
- Advanced material concept: Type IV design with CFRP (carbon-fiber–reinforced plastic) structure and PA6 liner ensures excellent weight-to-performance ratio
- Durability by design: 11,000 refueling cycles, 1,500,000 km and 15-year design life tailored for the toughest use cases in transport and machinery
- Smart manufacturing: Produced in an automotive-grade environment with complete process traceability
- Seamless integration: Supplied with on-tank valve, end plug and sensors to enable optimized integration into diverse system architectures for both hydrogen fuel-cell and hydrogen combustion applications
Technical highlights at a glance:
- Nominal working pressure: 700 bar
- Volume: 350 L
- Hydrogen capacity: 14.2 kg
- Dimensions (L × D): 2,206 × 557 mm
- Weight (empty): 218 kg
- Operating temperature: –40 °C to +85 °C
- Durability: 11,000 refueling cycles, 15 years, 1,500,000 km
- Certification: UN ECE R134.02
Contact us
- With the Carbon4Tank, Voith offers a certified, future-ready hydrogen storage solution that combines safety, performance, and ease of integration. Its advanced composite technology and German engineering excellence make it the ideal choice for manufacturers in trucking, bus, marine, construction, special-operations vehicles and agriculture to accelerate the decarbonization of their industries. Interested? Please contact Voith by filling in the contact vendor or RFQ form.
| Brand | Voith |
| Type of Tank | Type 4 |
| Tank Mount Type | Belly-mount |
| Max Pressure (in bar) | 875 |
| Nom. Oper. Pressure (in bar) | 700 |
| Nom. Tank Pressure (in bar) | 700 |
| Connector Threading | SAE J2601/5_202402 |
| Volume Water equival. (in L) | 350 |
| Diameter (in mm) | 557 |
| Max Storage (in kg H2) | 14.2 |
| On Tank Valve included | Yes |
| Manufacturing Readiness (MRL) | 8 |
| Technology Readiness (TRL) | 8 |
| Compliant with | UN ECE R134.02 (Part 1 and 2) |
| Max Ambient Temperature (in °C) | 85 |
| Min Ambient Temperature (in °C) | -40 |
Voith HySTech GmbH
At Voith HySTech, we are revolutionizing the mobility of tomorrow with our innovative hydrogen storage solutions. As part of the renowned Voith Group, we draw on decades of expertise in developing and manufacturing customized CFRP products.
Our flagship product, the hydrogen storage system for trucks, enables refueling in just 10 minutes while delivering maximum safety and storage capacity. With our “Plug & Drive” concept, our systems integrate seamlessly into your vehicles, making a significant contribution to the decarbonization of heavy-duty transport. Thanks to our unique TowPreg winding process, we achieve a level of quality unmatched in the industry.
In addition to our complete systems, we also offer the Carbon4Tank as a certified 700 bar Type IV hydrogen tank — designed for both fuel-cell and H2-ICE applications and suitable for use across multiple sectors.
In addition to our products, we also provide a range of professional services – from engineering support to integration and after-sales solutions – ensuring that our customers benefit from a complete hydrogen ecosystem tailored to their needs.
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