In the demanding world of heavy-duty trucking, every component in the drivetrain must perform flawlessly to ensure maximum efficiency and longevity. The 199114320001 DRIVEN GEAR 27 from HOWO is engineered to deliver precise power transfer, exceptional wear resistance, and a perfect factory fit, guaranteeing that your transmission operates with the smoothness and reliability that professional drivers demand. As a critical Howo/Sitrak truck parts component, this driven gear is manufactured from high-grade alloy steel, precision-heat-treated and ground to exacting tolerances, ensuring consistent performance and extended service life. Whether you are rebuilding a transmission or replacing a worn gear, the 199114320001 provides the strength, precision, and durability that your HOWO truck deserves – making it the trusted choice for workshops and fleet operators worldwide.
The driven gear plays an essential role in transferring engine torque through the transmission, meshing with the drive gear to provide the correct gear ratio for optimal vehicle performance. The 199114320001, specifically designed for HOWO heavy-duty trucks, is manufactured with precision-cut teeth that ensure smooth, quiet operation and minimal backlash, reducing wear on bearings and other transmission components. A worn or damaged driven gear can cause gear whine, vibration, and even catastrophic transmission failure. HOWO has engineered this gear with advanced metallurgy and a controlled tooth profile, offering excellent resistance to pitting, scoring, and fatigue. Its robust construction ensures that it withstands the high torque loads and constant meshing cycles encountered in demanding applications. With the 199114320001, you restore the original shifting feel and power delivery, enhancing both driver comfort and drivetrain durability.
Precision Cut
Smooth Operation
Heat‑Treated
Wear‑Resistant
OEM Grade
Genuine HOWO
High Torque
Heavy‑Duty
The 199114320001 driven gear is manufactured to the highest OEM standards, incorporating advanced materials and precision engineering. Below are the complete technical specifications for this essential transmission component.
| Parameter | Specification | Detail |
|---|---|---|
| OEM Number | 199114320001 | Exact Match |
| Part Name | DRIVEN GEAR 27 | HOWO Genuine |
| Brand | HOWO | Original Equipment |
| Application | HOWO T7H / A7 / HW19710 transmission | Gearbox |
| Material | Alloy steel (20CrMnTi) | Carburised & hardened |
| Number of Teeth | 27 | Precision ground |
| Module | 3.0 | Standard |
| Pressure Angle | 20° | Standard involute |
| Hardness (surface) | 58–62 HRC | Wear resistant |
| Core Hardness | 30–35 HRC | Toughness |
| Inner Diameter | 45 mm | Precision bore |
| Weight | 1.6 kg | Complete |
| Warranty | 12 Months | Manufacturer Guarantee |
The 199114320001 driven gear is the result of advanced manufacturing processes, including precision forging, carburising, and high-precision grinding. The gear blank is first forged to create a dense, uniform grain structure, then machined to exact dimensions using CNC equipment. The teeth are generated through a gear hobbing process, followed by shaving or grinding to achieve the finest surface finish and tooth accuracy. The gear is then case‑carburised and quenched to develop a hard, wear‑resistant surface while maintaining a tough, shock‑absorbing core. Finally, the gear is honed or ground to final dimensions, ensuring perfect meshing characteristics with its mating gear. Each gear is inspected for tooth profile, lead, and runout using advanced gear measuring instruments, guaranteeing that the 199114320001 meets the most stringent quality standards. This meticulous engineering translates into a gear that delivers quiet, smooth operation and exceptional service life, even in the most demanding transmission applications.
The 199114320001 driven gear is specifically designed for HOWO heavy‑duty trucks equipped with HW19710 series manual and automated transmissions, commonly found in T7H, A7, and other models. It directly replaces the original gear with identical tooth count, module, and inner diameter, ensuring a straightforward installation without modifications. The gear is compatible with all factory‑specified shafts and bearings, and it works seamlessly with the existing gear set. This driven gear is also compatible with many Sinotruk and other commercial vehicles that share the same transmission architecture. To confirm fitment, always cross‑reference the OEM number on your existing gear with 199114320001. If they match, this component will integrate flawlessly. Keeping this gear in your spare parts inventory enables rapid transmission repairs, minimising downtime and preserving the performance and reliability of your drivetrain.
HOWO T7H
Primary Fitment
HOWO A7
Also Compatible
HW19710
Transmission Series
Direct Replacement
No Mods
Replacing a worn or damaged driven gear with the 199114320001 immediately restores the precision and efficiency of your transmission. The perfectly formed teeth ensure smooth, quiet gear meshing, reducing noise and vibration within the gearbox. The correct tooth profile and accurate spacing minimise backlash, reducing shock loads on bearings and shafts, which extends the life of the entire transmission. The hardened surface provides excellent resistance to pitting and wear, maintaining the gear’s performance over extended service intervals. Improved gear engagement also translates to more efficient power transfer, reducing parasitic losses and contributing to better fuel economy. For fleet operators, a reliable driven gear reduces the risk of transmission failures, lowers maintenance costs, and helps maintain the performance and reliability of your vehicles. By investing in the 199114320001, you ensure that your HOWO truck’s transmission delivers the smooth, dependable power delivery that professional drivers and fleet managers rely on.
Installing the 199114320001 driven gear requires careful attention to detail and proper tooling. Begin by safely removing the transmission and disassembling it according to the manufacturer’s service manual. Inspect the mating shaft and bearings for wear; replace any components that do not meet specifications. Clean the new gear thoroughly to remove any protective oil or debris. When installing, ensure that the gear is correctly aligned with the mating gear and that the thrust clearance is set to the specified value. Use a suitable puller or press to install the gear onto the shaft, taking care not to damage the gear bore or teeth. Lubricate the gear with clean transmission oil before assembly. Reassemble the transmission, torquing all bolts to specification, and fill with the correct grade of lubricant. After installation, test the transmission for smooth shifting and listen for any unusual noises. Periodically inspect the gear for signs of wear during routine transmission oil changes. With proper installation, the 199114320001 will provide years of reliable service.
Pro Tip: When replacing a single gear in a transmission, it is recommended to inspect the mating gear and synchroniser assembly for wear. For optimal performance, consider replacing worn components as a set. The 199114320001 is designed to work with OEM‑spec gears; using genuine parts ensures correct tooth contact and long service life.
Genuine HOWO components are engineered to the highest standards, and the 199114320001 driven gear is no exception. Aftermarket gears often use inferior steel, inconsistent heat treatment, or imprecise tooth geometry, leading to premature wear, noise, and eventual failure. HOWO’s gear is manufactured using the same materials and processes as the original equipment, guaranteeing a perfect fit and reliable performance. By choosing the 199114320001, you benefit from HOWO’s rigorous testing, including fatigue, wear, and corrosion resistance tests. This ensures that the gear meets the demanding requirements of heavy‑duty trucking. Moreover, genuine parts are backed by a comprehensive warranty and supported by HOWO’s global network, giving you confidence in your purchase.
OEM Authentic
Factory Quality
Long Service
Extended Life
Global Standard
Trusted Worldwide
Q: Which transmissions use the 199114320001 driven gear?
A: The 199114320001 is used in HOWO HW19710 series manual and automated transmissions, commonly found in T7H, A7, and other heavy‑duty trucks.
Q: What are the symptoms of a worn driven gear?
A: Gear whine, growling noise, vibration, difficult shifting, and metal particles in the transmission oil are common indicators.
Q: Can I replace just one gear in the transmission?
A: Yes, but it is recommended to inspect the mating gear and replace it if worn to ensure optimal performance and longevity.
Q: How do I verify the correct part?
A: Check the OEM number on your existing gear. If it matches 199114320001, this is the exact replacement. Consult your vehicle’s parts manual for additional confirmation.
Order your 199114320001 Driven Gear 27 today! Explore our complete selection of genuine HOWO and Sinotruk transmission components at Howo/Sitrak truck parts and keep your gearbox performing at its peak.
The 199114320001 Driven Gear 27 from HOWO is a testament to precision engineering and uncompromising quality. By choosing this genuine component, you ensure that your transmission delivers the smooth, reliable power transfer required for modern heavy‑duty trucking. Whether you are a professional transmission builder or a fleet manager, this driven gear offers the performance, durability, and exact fit that you can count on. Trust HOWO – the benchmark for excellence in heavy‑duty truck components – and experience the difference that genuine quality makes.
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