Product Introduction

This planetary carrier is a heavy-duty, precision-forged component, manufactured from high-strength alloy steel to withstand the extreme torque loads and mechanical stresses of wheel-end reduction. It features a robust, cylindrical design with a precision-machined flange for wheel hub mounting and internal bores for the planetary pinion shafts. The carrier undergoes rigorous heat treatment and surface finishing processes to ensure exceptional strength, dimensional accuracy, and resistance to wear and fatigue. Its precision-machined mounting surfaces and pinion bores ensure perfect alignment of the planetary gears, contributing to efficient power transmission and stable wheel-end operation.

Core Function

• Serves as the primary structural hub for the wheel-end planetary gear set, providing mounting points for the planetary pinions and enabling their rotation around the sun gear.

• Transmits the increased torque from the planetary reduction gear set to the wheel hub, driving the wheels with the required low-speed, high-torque output.

• Maintains precise alignment of the planetary pinions, ensuring smooth and efficient meshing with the sun gear and ring gear, and minimizing power loss, noise, and vibration.

• Withstands the high torque loads and dynamic stresses generated during heavy-duty operation, protecting the planetary gear set and extending its service life.

• Directly interchangeable with the original factory part, ensuring a precise fit and consistent performance within the wheel-end planetary reduction assembly.

Planetary Carrier 199112340029 Sinotruk – OEM-Grade Drivetrain Component for Heavy-Duty Trucks

When your heavy-duty truck’s rear axle demands reliable power transmission, every single component matters. The Planetary Carrier 199112340029 Sinotruk sits at the heart of the final drive assembly, cradling the planetary gears and ensuring smooth, efficient torque reduction under the most punishing loads. Engineered to meet OEM specifications, this planetary carrier delivers the structural integrity and precision fit that fleet operators and repair workshops depend on daily.

At Mettlead, we supply this genuine-equivalent part directly from our factory in China — which means you get competitive pricing without compromising on quality. Whether you manage a fleet of Sinotruk HOWO tippers or maintain long-haul tractors, this planetary carrier is built to keep your vehicles moving.

Key Features and Benefits of Planetary Carrier 199112340029

Precision-Engineered for Sinotruk Applications

This planetary carrier is not a generic aftermarket guess. It is manufactured to match the exact dimensional tolerances and material hardness required by Sinotruk’s original design. As a result, it integrates seamlessly into the rear axle’s planetary gear set without the need for modifications or shimming.

• OEM-Equivalent Fit: Matches part number 199112340029 precisely, ensuring drop-in installation on compatible Sinotruk vehicles.
• High-Strength Construction: Forged and machined from premium alloy steel, this carrier withstands continuous cyclic loading and high-torque environments.
• Optimized Load Distribution: The carrier’s geometry evenly distributes forces across all planetary gears, reducing localized stress and extending service life.
• Heat-Treated Surface: Enhanced surface hardness resists wear from gear contact, even under heavy payloads and frequent start-stop cycles.
• Reduced Downtime: Because it arrives ready to install, your workshop spends less time on fitting and more time getting trucks back on the road.

Why Procurement Managers Choose Mettlead

Sourcing truck parts internationally can feel risky. That is exactly why we built our process around transparency and reliability. Here is what sets us apart:

1. Factory-Direct Pricing: No middlemen, no inflated margins. You deal directly with the source.
2. Strict Quality Control: Every planetary carrier undergoes dimensional inspection and material verification before shipping.
3. Fast, Reliable Delivery: We maintain stock of high-demand parts and ship globally through trusted logistics partners.
4. Flexible Payment Options: Secure, formal payment channels that suit international B2B transactions.
5. White-Label and Custom Packaging: Need your own branding on the box? We accommodate OEM and private-label requests.

Technical Specifications – Planetary Carrier 199112340029 Sinotruk

Application Scenario – Where This Planetary Carrier Works

The Planetary Carrier 199112340029 is specifically designed for the wheel-end planetary hub reduction system found in Sinotruk heavy-duty vehicles. In this assembly, the carrier cradles multiple planetary gears, holding them in precise alignment as they orbit around the sun gear. Together, these components accomplish the critical task of power transmission and speed reduction — converting high-speed, lower-torque input from the axle shaft into the slow, high-torque output that drives the wheel.

Compatible Vehicle Types:

• Sinotruk HOWO heavy-duty dump trucks
• Sinotruk HOWO tractor units
• Sinotruk SITRAK series trucks equipped with hub reduction rear axles
• Other Sinotruk models utilizing part number 199112340029 in their rear axle assembly

In practical terms, if your truck relies on a planetary hub reduction system to multiply torque at the wheel, this carrier is the structural backbone that makes it all possible. Without a properly functioning planetary carrier, gear misalignment leads to accelerated wear, noise, overheating, and ultimately — costly axle failure.

OEM/ODM Capability

Mettlead is more than a parts supplier. We are a manufacturing partner. If your business requires customized packaging, private-label branding, or even slight specification adjustments for specialized applications, our production team is ready to collaborate.

• White-Label Supply: Receive parts packaged under your own brand identity, ready for resale in your local market.
• Custom Packaging: Choose box sizes, labeling formats, and protective packaging that match your warehouse and distribution standards.
• Bulk Orders: We support large-volume procurement with consistent quality across every batch.
• Factory Visits Welcome: We invite procurement teams to visit our facility, inspect production lines, and verify quality processes firsthand.

Explore our full range of Sinotruk components on our Sinotruk HOWO Truck Parts brand page, or browse all rear axle components in our Rear Axle Parts category. For a comprehensive overview of everything we carry, visit our Sinotruk Truck Parts hub.

Frequently Asked Questions – Planetary Carrier 199112340029

What exactly does the planetary carrier do inside the rear axle?

Think of the planetary carrier as the framework that holds the planetary gears in position. As the sun gear rotates, the planetary gears mesh with it and with the ring gear. The carrier constrains these gears so they orbit in a controlled path, effectively reducing speed while multiplying torque. Without the carrier, the gears would have no structural support and the entire hub reduction system would fail.

How do I confirm that part number 199112340029 fits my specific truck?

The most reliable method is to cross-reference the part number with your vehicle’s axle model and original parts catalog. If you are unsure, send us your truck’s VIN or axle nameplate details, and our technical team will verify compatibility before you place an order.

What are the signs that a planetary carrier needs replacement?

Common symptoms include unusual grinding or whining noise from the wheel hub area, excessive play in the wheel-end assembly, metal debris in the axle oil, and uneven wear patterns on the planetary gears. If you notice any of these, inspecting the carrier for cracks, worn pin bores, or surface pitting is strongly recommended.

Is this planetary carrier made from the same material as the original Sinotruk part?

Yes. Our planetary carrier uses the same grade of alloy steel specified in the OEM design. It undergoes forging, precision machining, and heat treatment processes that replicate the original manufacturing standards, ensuring equivalent strength and durability.

Can I order a sample before committing to a bulk purchase?

Absolutely. We understand that procurement managers need to verify quality before scaling up. We are happy to ship sample units so your engineering team can inspect dimensions, material quality, and fitment before placing a larger order.

How should I store this part before installation?

Keep the planetary carrier in its original packaging, stored in a dry, temperature-stable environment. Avoid exposure to moisture or corrosive chemicals. A light coat of anti-rust oil on machined surfaces is advisable if long-term storage is expected.

Ready to Secure Your Supply of Planetary Carrier 199112340029?

Every day your truck sits idle waiting for parts is a day of lost revenue. Let Mettlead shorten that gap with factory-direct pricing, verified quality, and dependable global shipping.

Here is your next step:

• Request a competitive quote tailored to your order volume.
• Ask our team about lead times, shipping options, and custom packaging.
• Verify part compatibility with our technical support staff.

Contact Us Now to get your personalized quotation and start building a reliable parts supply chain for your Sinotruk fleet. Our team typically responds within 24 hours — because we know in this business, time is money.