The 199012320010-27 planetary gear is designed for Howo and Sitrak heavy-duty trucks, offering exceptional load capacity and fatigue resistance. Each gear tooth is ground to micron-level accuracy, reducing noise and vibration while improving fuel efficiency. Whether you are replacing worn components or upgrading your transmission, this OEM-grade part guarantees a perfect fit and consistent power flow.
Manufactured under strict ISO 9001:2015 standards, the 199012320010-27 undergoes rigorous magnetic particle inspection and hardness testing. This ensures zero porosity and uniform case depth, which are critical for high-torque applications. With a hardness of 58–62 HRC, it withstands extreme shock loads, making it ideal for mining, construction, and long-haul logistics.
Advanced carburizing steel with nickel-chromium alloy provides exceptional core strength. The 199012320010-27 resists pitting and spalling even under continuous high-load cycles.
Precision-machined to factory specifications, the 199012320010-27 integrates seamlessly with Howo gearboxes. No shimming or modification required – direct replacement for maximum uptime.
Extended Lifespan – The 199012320010-27 delivers up to 30% longer service intervals compared to standard aftermarket gears, reducing total cost of ownership.
Efficient Power Transfer – Optimized tooth profile minimizes friction losses, improving fuel economy by up to 4% in real-world testing.
OEM Reliability – Backed by Howo’s engineering legacy, this planetary gear meets all original equipment durability benchmarks. No compromises on safety or performance.
Global Availability – As a core part of Howo/Sitrak truck parts, the 199012320010-27 is stocked worldwide for rapid deployment.
| Parameter | Value / Range |
|---|---|
| OEM Number | 199012320010-27 |
| Part Name | Planetary Gear (Sun/Planet Carrier) |
| Material | Case-hardened alloy steel (20CrMnTi) |
| Hardness (HRC) | 58 – 62 (core 35–42) |
| Module (mm) | 5.0 |
| Number of Teeth | 24 |
| Pressure Angle | 20° |
| Tooth Finish | Ground & super-finished |
| Weight (kg) | 3.85 |
| Application | Howo A7 / Sitrak C7H / T7H |
The 199012320010-27 planetary gear is not just another spare part; it is a precision instrument designed to handle the relentless demands of heavy mining, construction, and cross-continent haulage. Its helical tooth geometry ensures smooth meshing, reducing stress concentrations and preventing catastrophic failure. For fleet managers who prioritize reliability, this gear reduces unplanned downtime and keeps your trucks on the road.
Independent lab tests show that the 199012320010-27 exceeds DIN 3990 and AGMA 2001 standards for bending and contact fatigue. This means you get a planetary gear that not only meets but surpasses the original equipment requirements. With proper lubrication, this component can exceed 1.2 million kilometers of service.
For optimal performance of the 199012320010-27, use API GL-5 80W-90 gear oil. Regular oil analysis and magnet inspection help detect early wear, ensuring the gear delivers its full potential. Change intervals: 60,000 km under normal conditions.
When installing the 199012320010-27, always replace thrust washers and needle bearings. Torque the planetary carrier bolts to 280–320 Nm. Preload adjustment is critical – follow the Howo workshop manual for precise shim selection.
Choosing the authentic 199012320010-27 planetary gear means you invest in the longevity of your entire drivetrain. Counterfeit or low-grade copies often use inferior steel and skip critical heat treatment, leading to early tooth fracture. Our gear comes with full traceability and material certificates, giving you complete peace of mind.
This planetary gear is fully compatible with Howo A7, Sitrak C7H, and T7H series, as well as many Sinotruk heavy trucks. Its dimensions exactly match the original blueprint, ensuring that bearing preload and gear backlash remain within factory tolerances. No surprises – just dependable, quiet operation.
We understand that every hour of downtime costs revenue. That’s why we prioritize quality control at every stage – from raw material sourcing to final inspection. The 199012320010-27 is a testament to our commitment to excellence, and it has become the preferred choice for thousands of workshops worldwide.
Whether you are rebuilding a transmission or performing preventative maintenance, the Planetary Gear offers a perfect balance of strength, durability, and cost-efficiency. Its optimized tooth root radius reduces stress risers, while the isotropic super-finish lowers friction and operating temperatures.
Field data from over 500 heavy-duty trucks shows that using the Planetary Gearreduces gear-related failures by 67% compared to unbranded alternatives. This translates to lower parts consumption, fewer roadside breakdowns, and higher annual mileage for your fleet.
When you order the Planetary Gear, you receive more than a metal component – you get the legacy of Howo engineering, backed by a robust supply chain and technical support. Our logistics ensure that the gear reaches you quickly, with secure packaging that protects the precision-ground surfaces.
Thousands of mechanics and fleet owners rely on the 199012320010-27 for its consistency and flawless performance. Its high-strength alloy and exacting tolerances make it the gold standard for planetary gear replacements in Howo and Sitrak trucks.
From the Australian outback to the Siberian tundra, this gear has proven its mettle in the harshest climates. With corrosion-resistant coating and advanced metallurgy, the Planetary Gear stands up to dust, mud, and extreme temperature swings without losing its structural integrity.
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