The long driving cab is a comprehensive sleeper and support system designed specifically for the HOWO A7 8X4 tractor. This complete kit includes the Support leg assembly, Washer (small), Hex bolt, Cross screw with spring washer and flat washer, Sleeper assembly, Sleeper support assembly, Cross self tapping screw, and Washer (large) – all precision‑engineered to provide a comfortable and durable resting area for drivers during long hauls. The long driving cab ensures that drivers can rest effectively, reducing fatigue and improving overall safety and productivity.
The long driving cab system is engineered to OEM specifications, using high‑strength materials and precision manufacturing. It provides a robust solution for all sleeper compartment components, from the main bed frame and support legs to the mounting hardware. The long driving cab is a direct replacement for the original factory sleeper, restoring the vehicle’s comfort and functionality for extended journeys.
When you choose authentic howo Parts, you receive a long driving cab that meets all OEM quality standards. This kit is manufactured using corrosion‑resistant materials and precision‑formed components, ensuring long‑term durability and a perfect fit. The long driving cab is essential for maintaining driver comfort, reducing fatigue, and enhancing the overall driving experience of your HOWO A7 8X4.
The long driving cab is the trusted choice for professional drivers and fleet operators. With the long driving cab, you ensure reliable sleeping support, sturdy construction, and a factory‑grade finish for your HOWO A7 8X4. This long driving cab is an indispensable part of any cab interior restoration or comfort upgrade project.
The Support leg assembly is a robust structural component that provides stable and adjustable support for the sleeper bunk. Manufactured from high‑strength steel with a corrosion‑resistant coating, it is designed to bear the weight of the occupant while maintaining perfect alignment with the cab floor. This assembly includes precision‑machined pivot points and locking mechanisms that allow for easy folding and storage when not in use, making it a versatile and essential part of the long driving cab.
The Support leg assembly is engineered for quick installation and reliable operation, with robust hinges that withstand repeated folding cycles without loosening. Its durable construction ensures that the sleeper remains securely in place, providing a safe and comfortable resting area for drivers during breaks or overnight stops.
The Small washer is a precision‑stamped flat washer used to distribute clamping load evenly under bolt heads and nuts in the sleeper mounting hardware. Manufactured from steel with a protective zinc coating, it prevents damage to the mounting surfaces and ensures a secure, rattle‑free connection. Its compact size makes it ideal for use in confined spaces within the long driving cab assembly.
This Small washer is essential for maintaining proper torque and load distribution, reducing the risk of fastener loosening due to vibration. Its inclusion in the long driving cab kit ensures that all connections remain tight and reliable over the vehicle’s lifetime.
The Hex bolt is a high‑strength fastener with a hexagonal head, designed for securing the sleeper support legs and other structural components to the cab floor. Manufactured from grade 8.8 steel with a corrosion‑resistant finish, it provides a secure, vibration‑proof connection that maintains clamping force under extreme conditions. Its precise threading ensures easy installation with standard wrenches.
This Hex bolt is a critical hardware component of the long driving cab, used in conjunction with the small and large washers to create a robust fastening system. Its durable construction guarantees long‑term reliability, even under the constant vibration of heavy‑duty trucking.
This assembly combines a cross‑recessed screw with a pre‑assembled spring washer and flat washer, providing a complete fastening solution for attaching trim panels and lightweight components to the sleeper structure. The cross‑recessed head allows for easy installation with a standard screwdriver, while the spring washer provides a locking action that resists loosening under vibration. The flat washer distributes the load evenly, protecting the mounting surface.
This Cross screw assembly is manufactured from corrosion‑resistant steel, ensuring reliable performance over the vehicle’s lifetime. Its compact design and pre‑assembled components simplify installation, reducing assembly time and ensuring a secure fit in the long driving cab.
The Sleeper assembly is the main bunk unit, featuring a lightweight yet durable frame with a high‑density foam mattress and a removable, washable cover. Designed for optimal comfort, it provides a supportive sleeping surface that helps drivers rest effectively during long breaks. The assembly includes integrated storage compartments and side rails to prevent rolling during transit.
This Sleeper assembly is constructed from high‑quality materials that resist sagging and wear, maintaining its shape and comfort over years of use. Its modular design allows for easy installation and removal, making it a practical and comfortable addition to the long driving cab.
The Sleeper support assembly is a structural reinforcement that provides additional stability to the sleeper bunk, preventing flexing and ensuring a solid platform. Manufactured from high‑strength steel with a corrosion‑resistant coating, it connects the sleeper frame to the cab floor, distributing the weight evenly and reducing stress on the mounting points.
This Sleeper support assembly is designed for easy installation, with pre‑drilled holes that align perfectly with the sleeper and cab structure. Its robust construction ensures that the sleeper remains stable and secure, contributing to the overall safety and comfort of the long driving cab.
The Cross self tapping screw is a versatile fastener that cuts its own thread into plastic or thin metal components, eliminating the need for pre‑tapping. Its cross‑recessed head provides easy installation with a standard screwdriver, and its sharp point ensures quick and secure engagement with the material. This screw is ideal for attaching trim pieces and lightweight brackets within the long driving cab.
Manufactured from corrosion‑resistant steel, the Cross self tapping screw maintains its holding power over time, resisting loosening due to vibration. Its inclusion in the long driving cab kit simplifies assembly and ensures a professional finish for interior components.
The Large washer is a wide‑diameter flat washer that provides enhanced load distribution for heavy‑duty mounting points within the sleeper system. Manufactured from steel with a protective coating, it prevents damage to the cab floor and sleeper frame, ensuring a secure, rattle‑free connection. Its larger surface area is ideal for applications where high clamping forces are required.
This Large washer is used in critical mounting locations of the long driving cab, working in conjunction with hex bolts and nuts to maintain proper torque and load distribution. Its robust construction guarantees long‑term reliability, even under the most demanding conditions.
Long driving cab – Complete Sleeper and Support System Kit for HOWO A7 8X4
| Material Encoding | Name |
|---|---|
| WG1643570008 | Support leg assembly |
| Q40006F31 | Washer (small) |
| Q150B0625F31 | Hex bolt |
| Q1460825F31 | Cross screw, spring washer and flat washer |
| AZ1643570002 | Sleeper assembly |
| WG1643570010 | Sleeper support assembly |
| Q2714225F31 | Cross self tapping screw |
| 040204F31 | Washer (large) |
The long driving cab includes every component needed for a full sleeper installation – from the main bunk and support legs to all mounting hardware. No additional parts are required, saving time and ensuring compatibility with HOWO A7 8X4 specifications.
Every component of the long driving cab is manufactured to original equipment specifications, guaranteeing a perfect fit and reliable performance. The precision‑engineered support legs, sturdy sleeper frame, and high‑grade fasteners ensure long‑lasting comfort and durability.
The long driving cab is designed to provide a restful sleeping environment, with a high‑density mattress, stable support structure, and adjustable leg system. This ensures that drivers can recharge effectively during breaks, reducing fatigue and improving safety on the road.
This long driving cab is designed for all HOWO A7 8X4 variants and is backed by our worldwide distribution network. Expert technical support is available to assist with installation and compatibility questions.
The long driving cab is the result of extensive research and development to provide optimal driver rest and recovery. The sleeper assembly is designed with ergonomic principles, offering proper spinal alignment and pressure relief. The support legs are engineered to provide stable, level support regardless of cab floor variations, ensuring that the sleeper remains solid and quiet during use. The use of high‑grade materials and corrosion‑resistant coatings ensures that the long driving cab maintains its performance and appearance over many years of service.
The fastening system is carefully selected to provide secure, vibration‑proof connections that withstand the rigors of heavy‑duty trucking. The cross screws and self‑tapping screws are designed for quick and secure installation, reducing assembly time and ensuring a professional finish. Every component of the long driving cab is engineered to work together in harmony, providing a seamless and reliable sleeping solution for drivers.
The long driving cab is also designed with ease of maintenance in mind – the mattress cover is removable for cleaning, and the support legs can be lubricated periodically to ensure smooth folding operation. This attention to detail makes the long driving cab a practical and durable choice for any HOWO A7 8X4.
Every long driving cab component undergoes rigorous quality inspections. The sleeper frame is tested for load capacity and structural integrity. The support legs are cycled thousands of times to verify smooth operation and durability. The fasteners are sampled for hardness and torque retention. The mattress is inspected for foam density and fabric durability.
Random samples are subjected to environmental testing, including temperature cycling, humidity exposure, and vibration testing, to validate long‑term performance. Salt spray testing confirms the corrosion resistance of all metal components. These tests guarantee that the long driving cab delivers consistent, reliable comfort and support over the vehicle’s lifetime.
Our quality management system is certified to IATF 16949, and each kit is traceable to its production batch, ensuring full accountability and rapid response to any quality concerns.
Investing in a genuine long driving cab prevents driver fatigue and discomfort, which can lead to reduced productivity and increased accident risk. A comfortable, supportive sleeper is essential for maintaining driver alertness and well‑being during long journeys. The durable construction of the kit also reduces the need for frequent replacements, lowering long‑term maintenance costs.
For fleet operators, this kit simplifies inventory by consolidating multiple sleeper components into one package. The easy installation and clear component identification reduce workshop time, keeping trucks on the road longer. The improved driver comfort also contributes to driver retention and satisfaction.
The long driving cab is a strategic investment that enhances vehicle reliability, driver comfort, and overall operational efficiency. By restoring the sleeper to factory specifications, you ensure a comfortable and professional environment for your drivers.
The long driving cab is designed as a direct replacement for the original factory sleeper. All mounting points and bolt patterns match the existing cab structure, requiring no modifications. The installation can be completed with standard workshop tools by any competent mechanic.
Routine maintenance is straightforward – the mattress cover can be removed for cleaning, and the support legs can be inspected and lubricated during regular service intervals. The modular design of the long driving cab allows for individual component replacement, reducing repair costs and downtime.
The long driving cab is also compatible with aftermarket accessories such as mattress toppers or storage organizers, as it provides standard mounting interfaces. This flexibility makes it a versatile choice for both restoration and customisation projects.
Each long driving cab kit is supplied with a comprehensive installation guide that includes torque specifications, assembly steps, and alignment procedures. This ensures that even less experienced technicians can perform a correct and professional installation.
Our technical support team is available to answer any questions regarding the long driving cab, from verifying compatibility to troubleshooting installation issues. We also provide online resources, including video tutorials and FAQs, to assist customers worldwide.
With the long driving cab, you are not just buying a sleeper – you are investing in a complete comfort solution backed by our commitment to quality and customer satisfaction.
The long driving cab is the definitive solution for restoring or upgrading the sleeper and support system of your HOWO A7 8X4 tractor. With its complete kit of genuine components – including the sleeper assembly, support legs, and all hardware – this system ensures superior comfort, durability, and driver satisfaction for every journey. Choose the long driving cab for your fleet and experience the difference that genuine HOWO quality delivers.
Our online catalog provides comprehensive access to genuine SINOTRUK parts for all major vehicle lines — including HOWO, Sitrak, Steyr, and Yellow River series trucks. You can browse detailed specifications, original part numbers, and exploded-view diagrams for every assembly. Whether you are performing routine maintenance or planning a major overhaul, the catalog helps you quickly identify the correct components for your vehicle. When you become a SINOTRUK customer, we offer complimentary full‑access catalog services, ensuring you always have the latest product data and interchangeability information at your fingertips to support efficient fleet management and accurate parts ordering.
We are a heavy-duty truck parts store. Please leave your contact information and inquiries. We will respond within 12 hours.
