The Sinotruk Howo Gearbox Gear Change System is a complete mechanical linkage assembly that connects the driver’s gear shift lever inside the cabin to the transmission gearbox. Its primary function is to translate the driver’s manual input into precise movements that engage or disengage different gears within the truck’s transmission. This system includes components like the gear shift knob, lever, positioning cables, shift cables, brackets, and various connecting blocks. It is engineered for heavy-duty applications, ensuring that gear changes are smooth, accurate, and require minimal effort, even under high load conditions. This precision reduces gear grinding, enhances synchronization, and prolongs the lifespan of the entire drivetrain.
Key components of the Sinotruk Howo Gearbox Gear Change System include multiple gear shift knob variants (e.g., AZ9100240060, AZ9123240214) for different models and preferences, providing ergonomic comfort and control. The system features robust positioning cables and gear shift cables (like WG9719240007, WG9725240008) that transmit force accurately from the cabin to the transmission. Supporting elements such as brackets (AZ9725240024, AZ9719240025) and clamps securely route and hold these cables, preventing unwanted movement or vibration. Additionally, parts like the operator assembly, connecting block, and various screws and washers ensure the entire mechanism remains stable and aligned during operation.
The system operates on a direct mechanical principle, where movement of the gear shift lever pulls or pushes the attached cables. These cables are connected to levers on the transmission, which in turn move the shift forks inside the gearbox to select the desired gear ratio. The inclusion of components like the siphon, circlips, and protective sleeves safeguards against environmental damage and contamination. Proper adjustment and maintenance of this system are crucial for preventing gear selection issues, such as difficulty in shifting, gear slippage, or incomplete engagement, which can lead to transmission damage and unsafe driving conditions.
Applications of the Sinotruk Howo Gearbox Gear Change System are widespread across the Sinotruk Howo truck range, including models used in long-haul freight, construction, mining, and logistics. It is designed to be compatible with various transmission configurations found in Howo vehicles. By ensuring reliable and consistent gear changes, this system directly impacts vehicle performance, driver fatigue, and operational costs. A well-maintained gear change system contributes to better fuel efficiency, reduced wear on clutch and transmission parts, and overall smoother vehicle operation, making it an essential focus for fleet maintenance and part replacement strategies.
| No. | Part Number. | Designation |
|---|---|---|
| 1 | AZ9100240060 | Gear shift knob |
| 1 | AZ9123240214 | Gear shift knob |
| 1 | AZ9100240061 | Gear shift knob |
| 1 | AZ9716240001 | Gear shift knob |
| 1 | AZ9123240211 | Gear shift knob |
| 2 | 179200240075 | Cable sleeve |
| 3 | AZ9719240002 | Siphon |
| 4 | 190003989318 | Circlip |
| 5 | Q218B0825 | Screw |
| 6 | Q40308 | Spring washer |
| 7 | Q150B0850 | Screw |
| 8 | Q150B0855 | Screw |
| 9 | Q40208 | Spring washer |
| 10 | AZ9719240032 | Connecting block |
| 11 | WG9716240010 | Operator assembly |
| 11–1 | WG9716240008 | Operator |
| 11–2 | WG9725240009 | Gear shift lever |
| 11 | WG9719240031 | Operator assembly |
| 11–1 | WG9719240028 | Operator |
| 11–2 | WG9725240009 | Gear shift lever |
| 12 | WG9719240007 | Positioning cable |
| 12 | WG9719240111 | Positioning cable |
| 13 | WG9716240011 | Positioning cable |
| 13 | WG9725240008 | Gear shift cable |
| 13 | WG9719240112 | Gear shift cable |
| 13 | WG9716240013 | Gear shift cable |
| 14 | 1397 350169 | Angle |
| 15 | Q150B0840 | Screw |
| 16 | Q40058 | Spring washer |
| 17 | Q340B08 | Shirt |
| 18 | 1188790187 | Clamp |
| 19 | AZ9719240017 | Sleeve |
| 20 | WG9719240008 | Clamp |
| 21 | Q150B0835 | Screw |
| 22 | Q40108 | Washer |
| 23 | AZ9725240024 | Backet for gear shift cable |
| 24 | AZ9717240027 | Backet for gear shift cable |
| 25 | AZ9719240026 | Backet for gear shift cable |
| 26 | AZ9719240025 | Backet for positioning cable |
| 27 | AZ9719240029 | Backet for positioning cable |
| 28 | WG9719240117 | Positioning lever |
| 29 | WG9719240116 | Support bar |
| 30 | WG9719240118 | Positioning bar |
| 31 | AZ9725240026 | Gear shift bar |
| 32 | Protect sleeve for cable |
Our Sinotruk Howo Gearbox Gear Change System is manufactured using only high-grade materials and components, ensuring exceptional durability and performance. Each part, from the gear shift knobs to the cables and brackets, is produced to meet or exceed original equipment specifications. We implement strict quality control at every stage of production, including material testing, precision machining, and final assembly inspection. This commitment guarantees that our system offers precise fitment, smooth operation, and long-term reliability under the most demanding trucking conditions, providing a direct replacement that restores factory-level performance.
We offer a complete and comprehensive kit that includes every necessary component for a full gear change system overhaul or replacement. Our product listing covers all items from the provided tables, ensuring you receive gear shift knobs, cables (positioning and shift), operator assemblies, levers, brackets, clamps, screws, washers, and all associated hardware. This completeness eliminates the need to source parts from multiple suppliers, saving time, reducing compatibility issues, and ensuring all components are designed to work together seamlessly for a perfect installation and optimal system function.
Our Sinotruk Howo Gearbox Gear Change System is engineered for superior performance, delivering precise and effortless gear shifts. The high-strength cables are designed for minimal stretch and friction, ensuring accurate force transmission from the cabin lever to the transmission. Robust brackets and clamps prevent cable slippage or vibration, which can lead to imprecise shifting. By using our system, drivers experience improved gear selection accuracy, reduced shift effort, and a more confident driving experience, which directly contributes to enhanced vehicle control, safety, and reduced transmission wear.
Choosing our system provides excellent value through reliability and cost-effectiveness. While offering competitive pricing, our product’s durability reduces the frequency of repairs and associated downtime, lowering the total cost of ownership for fleet operators. We support our Sinotruk Howo Gearbox Gear Change System with reliable customer service and clear documentation. By investing in our complete and high-quality system, you ensure prolonged transmission health, improved fuel efficiency through proper gear engagement, and greater operational uptime for your Sinotruk Howo trucks.
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.
Send your inquiry / assessment to Us. Anything need us ,please don’t hesitate contact us here! we will keep it secret for you !
