- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com


The Sinotruk Howo A7 Steyr Doubel Axle Brake Device is a specialized braking system engineered for heavy-duty trucks with double rear axles, ensuring reliable and efficient stopping power in demanding conditions. This comprehensive assembly integrates components such as relay valves, connectors, and tubing to facilitate optimal air distribution and brake activation. Designed specifically for Sinotruk Howo A7 models, it enhances vehicle safety by providing consistent performance across various terrains and loads. The system’s robust construction and precision engineering make it ideal for applications in logistics, construction, and mining. For detailed visuals, refer to https://deruna.com/wp-content/uploads/2025/10/Sinotruk-Howo-A7-Steyr-Doubel-Axle-Brake-Device.webp, which illustrates the device’s layout and components.
Key features of the Sinotruk Howo A7 Steyr Doubel Axle Brake Device include multiple relay valves that regulate air pressure to ensure balanced braking force between axles, reducing the risk of wheel lock-up. The system incorporates elastic elements, clamp springs, and nut bases that secure connections and prevent air leaks, maintaining system integrity. Polyamide tubes and various joints, such as right angle and T-shaped connectors, enable efficient air flow throughout the braking circuit. Additionally, brackets and fastening devices provide secure mounting, minimizing vibration-induced wear and extending the device’s lifespan. This attention to detail ensures reliable operation even under extreme stress.
Functionally, the Sinotruk Howo A7 Steyr Doubel Axle Brake Device prioritizes safety by delivering precise braking response, which is crucial for heavy loads and sudden stops. It supports compliance with international safety standards, offering features like moisture-resistant materials and corrosion protection to enhance durability. The device’s modular design allows for straightforward installation and maintenance, reducing downtime during repairs or upgrades. By optimizing air distribution, it also contributes to improved fuel efficiency and reduced environmental impact. This makes it a cost-effective solution for fleet operators seeking to enhance their vehicles’ performance and reliability.
Applications of the Sinotruk Howo A7 Steyr Doubel Axle Brake Device span across industries that require dependable braking systems, such as long-haul transportation, waste management, and off-road operations. Its compatibility with Sinotruk Howo A7 trucks equipped with Steyr double axles ensures seamless integration and optimal functionality. Regular use of this device can lead to lower maintenance costs and increased operational uptime, supporting business efficiency. Overall, the Sinotruk Howo A7 Steyr Doubel Axle Brake Device represents a smart investment for those prioritizing safety, durability, and performance in their commercial vehicles.
| NO. | Part NO | Description |
|---|---|---|
| 1 | AZ972556005 | Tube circuit schematic(dual rear axis part/cast beam)1 |
| 2 | WG900050654 | Relay valve2 |
| 3 | WG900050654/1 | Relay valve(WABC0)3 |
| 5 | Q150B1035 | Hex bolt5 |
| 6 | Q40110 | Flat washer |
| 7 | Q40310 | Spring washer |
| 8 | Q340B10 | Hex nut8 |
| 9 | Q40308 | Spring washer |
| 10 | Q340B08 | 1 shape hex nut |
| 11 | WG9000501004 | Spring component NG8 11 |
| 12 | WG9000501004/1 | Spring component NG8 12 |
| 13 | WG9000501005 | Cramp NG8 13 |
| 14 | WG9000501005/1 | Cramp NG8 14 |
| 15 | WG9000501006 | Nut base NG8 15 |
| 16 | WG9000501006/1 | Nut base NG8 16 |
| 17 | WG9000501007 | Elastic NG 12 17 |
| 18 | WG9000501007/1 | Elastic NG 12 18 |
| 19 | WG9000501008 | Clamp spring NG12 19 |
| 20 | WG9000501008/1 | Clamp spring NG12 20 |
| 21 | WG9000501009 | Nut base NG12 21 |
| 22 | WG9000501009/1 | Nut base NG12 22 |
| 23 | WG9000501201 | Right angle joint NG8/NW6 23 |
| 24 | WG9000501201/1 | Right angle joint NG8/NW6 24 |
| 25 | WG9000501204 | Right angle joint NG12/NW9 25 |
| 26 | WG9000501204/1 | Right angle joint NG12/NW9 26 |
| 27 | WG9000501203 | Right angle joint NG12/NW12 27 |
| 28 | WG9000501203/1 | Right angle joint NG12/NW12 28 |
| 29 | WG9000501406 | T shape three joint NW9/NG12/TEST 29 |
| 30 | WG9000501406/1 | T shape three joint NW9/NG12/TEST 30 |
| 31 | WG9000501310/1 | T shape three way joints-NW9 31 |
| 32 | J190003179785 | T shape three way joints-NW9 32 |
| 33 | J190003179785 | Polyamide tube(Φ121.5)33 |
| 34 | WG9725560088 | Plastic tighten belt assembly 34 |
| 35 | WG9725560088/1 | Plastic tighten belt assembly 35 |
| 37 | WC9725560414 | Tighten bracket 37 |
| 38 | WC9725560414 | Tighten bracket 38 |
| 40 | WC910060134 | Retainer |
| 41 | 199100060134 | Retainer |
| 47 | WC9725560414 | Relay valve bracket 47 |
| 48 | WC9725560414 | Relay valve bracket 48 |
| 49 | WC90003171390 | Blastic tighten belt B5*18049 |
| 50 | WC90003171390 | Blastic tighten belt B5*18049 |
| 51 | WC9725560434 | Tube fixed bracket(ST rear axis) 51 |
| 52 | WC9725560434 | Tube fixed bracket(ST rear axis) 52 |
Our Sinotruk Howo A7 Steyr Doubel Axle Brake Device stands out due to its superior quality and reliability, manufactured with premium materials that meet or exceed OEM specifications. Each component, from relay valves to connectors, undergoes rigorous testing to ensure consistent performance under extreme conditions, reducing the risk of brake failure and enhancing vehicle safety. This dedication to quality translates to lower maintenance costs and extended service life, making it a cost-effective choice for fleet operators. By investing in our product, you benefit from a braking solution that prioritizes durability and operational efficiency, supported by years of engineering expertise.
We offer excellent compatibility and ease of installation with our Sinotruk Howo A7 Steyr Doubel Axle Brake Device, designed specifically for Sinotruk Howo A7 trucks with Steyr double axles. The complete assembly includes all necessary parts, such as brackets, fasteners, and tubing, ensuring a seamless fit without the need for modifications. This reduces installation time and minimizes downtime, allowing vehicles to return to operation quickly. Our device integrates smoothly with existing brake systems, providing reliable performance that meets industry standards. This makes it an ideal choice for mechanics and fleet managers seeking efficient and hassle-free solutions.
Durability is a key advantage of our Sinotruk Howo A7 Steyr Doubel Axle Brake Device, featuring corrosion-resistant materials and robust construction that withstand harsh environments, including extreme temperatures and heavy loads. The use of high-quality polyamide tubes, secure joints, and reliable fastening systems ensures long-term functionality and reduces the frequency of replacements. This focus on durability not only enhances safety but also lowers the total cost of ownership by minimizing repair expenses. Additionally, the device’s efficient design contributes to better fuel economy and reduced environmental impact, aligning with sustainable practices.
We provide comprehensive customer support and competitive pricing for our Sinotruk Howo A7 Steyr Doubel Axle Brake Device, ensuring you receive exceptional value and service. Our team offers detailed product information, installation guidance, and access to resources like catalogs to help you make informed decisions. By choosing our device, you gain a trusted partner committed to enhancing your vehicle’s braking performance and overall safety. This commitment to customer satisfaction, combined with the product’s reliability, makes us a preferred supplier for Sinotruk Howo A7 components, supporting your operational goals and long-term success.
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If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.