Product Introduction

This spiral bevel gear (part of the 28-17 ratio set) is a precision-engineered drive pinion, manufactured from high-strength alloy steel through a process of precision forging, carburizing heat treatment, and multi-stage grinding. The spiral tooth profile is precision-cut to ensure smooth meshing with the mating crown gear, reducing noise and vibration while maximizing power transmission efficiency. The gear undergoes strict quality control, including dimensional inspection and surface hardness testing, to meet OE specifications for heavy-duty operation. Its robust construction and optimized tooth geometry enable it to withstand the high torque loads and dynamic stresses encountered in heavy-duty truck applications, making it ideal for long-haul and heavy-load transportation.

Core Function

• Reduces the high-speed, low-torque input from the transmission to the low-speed, high-torque output required for driving the wheels, with a fixed ratio of 28:17.

• Changes the direction of power transmission by 90 degrees, transferring torque from the drive shaft to the axle shafts.

• Ensures smooth and efficient meshing with the crown gear, minimizing power loss, noise, and vibration during operation.

• Withstands high torque loads and heavy-duty operating conditions, providing reliable performance and extended service life.

• Directly interchangeable with the original factory part, ensuring a precise fit and consistent performance within the main reducer assembly.

Bevel Gear 28-17 199014320251 Sinotruk – OEM Quality Spiral Bevel Gear for HOWO Heavy Trucks

When your Sinotruk heavy-duty truck demands reliable power distribution and smooth drivetrain performance, this Bevel Gear 28-17 199014320251 delivers exactly that. Engineered to meet original equipment specifications, this spiral bevel gear ensures precise torque transfer within the rear axle assembly — keeping your fleet running without costly downtime. Whether you’re maintaining a single vehicle or managing bulk procurement for an entire fleet, Mettlead supplies this genuine-spec component directly from our factory at competitive wholesale pricing.

As a trusted global supplier of Sinotruk truck parts, we understand that procurement managers need accuracy, reliability, and speed. That’s why every Bevel Gear 28-17 we ship undergoes strict quality inspection before it leaves our warehouse.

Features and Benefits of Bevel Gear 28-17 199014320251

This isn’t just another replacement part sitting on a shelf. The Bevel Gear 28-17 199014320251 Sinotruk is precision-manufactured to handle the extreme loads that heavy-duty trucks encounter daily. Here’s what sets it apart:

• OEM-Matched 28-17 Tooth Configuration: The carefully calculated gear ratio ensures optimal power distribution between the drive axle components, maintaining the factory-intended torque split.
• High-Strength Alloy Steel Construction: Forged from premium alloy steel and heat-treated for superior hardness, this bevel gear resists wear, pitting, and fatigue — even under continuous heavy loads.
• Precision Spiral Tooth Profile: The spiral-cut teeth engage gradually rather than all at once, which significantly reduces noise, vibration, and shock loading compared to straight-cut alternatives.
• Exact Dimensional Accuracy: Manufactured to tight tolerances that guarantee seamless fitment within the Sinotruk rear axle housing, eliminating the guesswork during installation.
• Extended Service Life: Thanks to advanced surface hardening processes, this gear maintains its performance characteristics over hundreds of thousands of kilometers.
• Direct Replacement Design: Drops right into the existing assembly without modifications — saving your workshop valuable labor hours.

In other words, this bevel gear works hard so your trucks don’t have to work harder. It transfers power efficiently, runs quietly, and lasts longer than inferior aftermarket alternatives.

Technical Specifications – Bevel Gear 28-17 199014320251

Accurate specifications matter when you’re sourcing drivetrain components. Below you’ll find the complete technical data for this Sinotruk Bevel Gear 28-17:

Need to cross-reference this part number with your existing inventory system? Our technical team can verify compatibility for your specific Sinotruk model. Simply contact us with your vehicle chassis number.

Application Scenario – Where Does This Bevel Gear 28-17 Work?

Understanding exactly where this component fits helps you make confident purchasing decisions. The Bevel Gear 28-17 199014320251 is specifically designed for the following application:

• Compatible Vehicles: Sinotruk HOWO heavy-duty trucks and related heavy vehicle platforms that utilize the 199014320251 rear axle configuration.
• System Location: Installed within the rear axle differential assembly, where it plays a critical role in redirecting and distributing engine power.
• Primary Function: The 28-17 tooth spiral bevel gear pair handles transmission steering and power distribution — essentially changing the direction of rotational force from the driveshaft to the wheel axles.
• Operating Conditions: Built to perform under high-torque, high-temperature conditions typical of heavy-load transportation, mining haul roads, and long-distance freight operations.

If your fleet operates Sinotruk heavy vehicles and you’re experiencing differential noise, vibration, or power loss at the rear axle, this bevel gear is likely the component you need. Browse our complete rear axle parts catalog for related components like ring gears, pinion shafts, and bearings.

OEM/ODM Capability – Custom Solutions for Your Market

At Mettlead, we go beyond simply supplying off-the-shelf parts. Our manufacturing partnerships and in-house quality control processes give you flexible options that many traders simply cannot offer:

• White-Label Packaging: Want to sell under your own brand? We provide neutral or fully customized packaging with your logo, part numbers, and branding — ready for your local market.
• Custom Packaging Solutions: From individual retail boxes to bulk industrial crating, we adapt our packaging to match your distribution requirements.
• Strict Quality Control: Every Bevel Gear 28-17 passes through multi-stage inspection including dimensional verification, hardness testing, and tooth profile analysis before shipment.
• Factory-Direct Pricing: Because we work directly with manufacturers in China, you eliminate middleman markups — giving you better margins or more competitive retail pricing.
• Flexible Order Quantities: Whether you need a trial order to test market demand or container-load volumes for established distribution, we accommodate your business scale.

We also welcome factory visits. If you’d like to inspect our quality processes firsthand, our team is happy to arrange a facility tour. Explore our full range of Sinotruk HOWO truck parts to see what else we can supply alongside your bevel gear order.

Frequently Asked Questions – Bevel Gear 28-17 199014320251

What does the “28-17” designation mean on this bevel gear?

The numbers 28-17 refer to the tooth count on the gear pair. Specifically, the driven gear has 28 teeth while the driving pinion gear has 17 teeth. This ratio determines how torque is multiplied and transferred through the rear axle differential. It’s essential to match this exact tooth count when replacing bevel gears, because mismatched ratios will cause improper meshing, excessive noise, and premature failure.

Is this Bevel Gear 199014320251 an original Sinotruk part or aftermarket?

This is an OEM-equivalent aftermarket part manufactured to the same specifications as the original Sinotruk component. It uses identical materials, heat treatment processes, and dimensional tolerances. The key difference is pricing — you get the same performance and fitment at a significantly lower cost compared to original dealer parts.

Can I replace only one bevel gear, or must I replace the entire gear pair?

In most cases, we strongly recommend replacing bevel gears as a matched pair. Because spiral bevel gears are lapped together during manufacturing to achieve optimal contact patterns, installing a single new gear against a worn mating gear often results in poor mesh, increased noise, and accelerated wear on both components. However, if the mating gear shows minimal wear, a qualified technician can assess whether single replacement is viable.

How do I verify this bevel gear fits my specific Sinotruk truck model?

The most reliable method is to cross-reference the OEM part number 199014320251 with your vehicle’s parts catalog or the number stamped on your existing gear. Additionally, you can provide us with your truck’s chassis number or VIN, and our technical team will confirm compatibility before you place your order.

What causes bevel gears to fail in heavy trucks?

Several factors contribute to bevel gear failure in Sinotruk rear axles. Insufficient or contaminated differential oil is the most common culprit, as it leads to metal-on-metal contact and accelerated tooth wear. Overloading beyond rated capacity, improper gear preload settings during previous repairs, and using non-spec lubricants also shorten gear life significantly. Regular oil changes and load management are your best preventive measures.

What is the typical lead time for shipping this bevel gear?

For in-stock items, we typically ship within 1–3 business days after payment confirmation. Delivery time then depends on your location and chosen shipping method. Express air freight usually arrives within 5–7 days globally, while sea freight takes 15–35 days depending on the destination port. For exact lead times on your order quantity, please contact us directly.

Ready to Order Your Bevel Gear 28-17 199014320251?

Stop searching and start sourcing. Mettlead makes it simple to get the exact Sinotruk Bevel Gear 28-17 your fleet needs — with factory-direct pricing, verified quality, and reliable global delivery that procurement managers trust.

Here’s how to move forward:

1. Request a Quote: Send us your required quantity and delivery destination for an accurate price and lead time.
2. Confirm Specifications: Our team verifies part compatibility with your vehicle model.
3. Secure Payment: Choose from flexible, secure payment methods that suit your business.
4. Fast Dispatch: Your order ships promptly with full tracking information.

Contact Mettlead today to get your competitive quote on Bevel Gear 199014320251 and discover why buyers across Africa, the Middle East, Southeast Asia, and South America choose us as their trusted Sinotruk parts supplier.

Looking for more Sinotruk components? Browse our complete Sinotruk truck parts catalog or explore rear axle assemblies and components to consolidate your order and save on shipping.