Product Introduction

• Structure: A precision-forged steel differential housing paired with high-hardness alloy spider gears and side gears. The kit includes a differential cover, thrust washers, and retaining rings, all machined to tight tolerances for precise meshing and load distribution.

• Performance: The high-strength alloy gears withstand extreme torque loads and frequent start-stop cycles, ensuring reliable power distribution even under heavy hauling conditions. The precision-machined components minimize friction and noise, contributing to smooth and efficient power transfer.

Core Function

1. Torque Distribution: Distributes engine torque evenly to the left and right drive wheels, allowing them to rotate at different speeds during cornering to prevent tire scrubbing.

2. Load Handling: The robust forged construction and hardened gears safely handle the high torque and impact forces of heavy-duty operation, ensuring stable performance under full load.

3. Cornering Stability: Enables differential speed between the drive wheels, improving vehicle maneuverability and tire life during turns.

Differential 811-35105-0060-61 Sinotruk Sitrak – OEM-Grade Axle Drive Component

When your Sitrak heavy-duty truck demands flawless torque distribution across the drive axle, every single gear tooth matters. The Differential 811-35105-0060-61 is precision-engineered to meet the exact OEM specifications of Sinotruk Sitrak vehicles, ensuring smooth power transfer, reduced drivetrain stress, and extended service life even under the most punishing loads. Sourced directly from our factory in China, this differential assembly gives fleet operators and repair shops a cost-effective alternative without compromising on quality or fitment accuracy.

At Mettlead, we specialize in supplying genuine-equivalent parts for SINOTRUK, SITRAK, HOWO, SHACMAN, FAW, WEICHAI, DONGFENG, and FOTON trucks to buyers worldwide. As a factory-direct supplier, we eliminate middlemen so you get competitive pricing, fast lead times, and strict quality control on every order. Whether you manage a fleet in Africa, the Middle East, or Southeast Asia, this Sitrak differential is ready to ship.

Key Features and Benefits of Differential 811-35105-0060-61

Choosing the right differential isn’t just about matching a part number — it’s about safeguarding your entire drivetrain investment. Here’s what sets this component apart:

• Exact OEM Fitment: Manufactured to match the original Sinotruk Sitrak part number 811-35105-0060-61, so installation is straightforward with no modifications required.
• High-Strength Alloy Gears: The ring gear and pinion are forged from heat-treated alloy steel, delivering exceptional wear resistance under high-torque conditions.
• Precision Gear Meshing: CNC-machined tooth profiles ensure low-noise operation, smooth engagement, and consistent torque distribution to both drive wheels.
• Enhanced Load Capacity: Designed for heavy-haul applications, the differential housing and internal components withstand continuous stress from fully loaded Sitrak trucks.
• Anti-Wear Surface Treatment: Critical contact surfaces receive specialized hardening treatment to extend operational life and reduce maintenance frequency.
• Complete Assembly Option: Available as a full differential assembly — including carrier, gears, bearings, and seals — for faster, hassle-free replacement.
• Factory-Direct Pricing: By sourcing directly from Mettlead, you bypass distributors and enjoy wholesale-level costs, which is especially valuable for bulk procurement.

In short, this differential delivers the durability and performance your Sitrak trucks need while keeping your total cost of ownership low. That’s a balance every procurement manager appreciates.

Application Scenarios – Where Does This Differential Fit?

The Differential 811-35105-0060-61 is specifically designed for the Sinotruk Sitrak platform. Below are the primary application scenarios and compatible vehicle configurations:

• Compatible Vehicles: Sinotruk Sitrak C7H, G7, and related heavy-duty tractor and cargo truck models equipped with the corresponding rear drive axle assembly.
• Axle System: Rear drive axle differential carrier — responsible for splitting engine torque between the left and right rear wheels during straight-line driving and cornering.
• Typical Use Cases: Long-distance freight haulage, construction material transport, mining logistics, and any application where Sitrak trucks operate under sustained heavy loads.
• Replacement Trigger: Ideal for trucks exhibiting differential noise, gear whine, uneven tire wear on the rear axle, or confirmed gear damage during scheduled axle servicing.

If you are looking for additional drivetrain and axle components for Sitrak vehicles, explore our full range on the Sitrak Heavy-Duty Parts brand page, or browse related transmission parts in our Clutch & Transmission Category. For a comprehensive overview of every Sitrak component we stock, visit our Sinotruk Sitrak Truck Parts Full Category Guide.

Technical Specifications – Differential 811-35105-0060-61 Sinotruk Sitrak

Note: Specifications are based on standard OEM reference data. If your vehicle has a customized axle ratio or non-standard configuration, please share your VIN or axle plate details so we can confirm exact compatibility before shipment.

OEM / ODM Capability – Custom Packaging and Private Labeling

Mettlead understands that distributors and aftermarket brands have different needs. That’s why we offer flexible OEM and ODM services for the Differential 811-35105-0060-61 and our entire Sitrak parts range:

• White-Label Packaging: We can ship differentials in neutral, unbranded boxes — perfect for distributors who resell under their own brand name.
• Custom Branding: Need your company logo, part number stickers, or branded cartons? Our packaging team handles it at the factory level, so products arrive shelf-ready at your warehouse.
• Strict Quality Control: Every differential undergoes dimensional inspection, gear backlash testing, and surface hardness verification before dispatch. We maintain full traceability records for each batch.
• Flexible Order Quantities: Whether you need a single replacement unit or a container load for regional distribution, our production line accommodates your volume without long delays.
• Factory Visits Welcome: We openly invite buyers to visit our facility in China, inspect production lines, and audit quality processes in person.

In other words, you get a reliable supply partner that adapts to your business model — not the other way around.

Frequently Asked Questions – Differential 811-35105-0060-61

What vehicles does the Differential 811-35105-0060-61 fit?

This differential is specifically engineered for the Sinotruk Sitrak heavy-duty truck platform, including the C7H and G7 series with compatible rear drive axles. Always cross-reference your truck’s VIN or axle nameplate data to confirm fitment before ordering.

Is this differential an original OEM part or an aftermarket equivalent?

It is manufactured to OEM-equivalent standards, meaning it matches the original Sinotruk part number 811-35105-0060-61 in dimensions, material grade, and performance. The result is a drop-in replacement that installs and performs identically to the factory-original component.

How do I know if my truck’s differential needs replacement?

Common warning signs include excessive gear whine or grinding noise from the rear axle, metal shavings in the differential oil during servicing, uneven rear tire wear, and vibration felt through the drivetrain under load. If your mechanic confirms worn ring gear teeth, pitting on the pinion, or play in the side gears, replacement is the recommended course of action.

Does the assembly include bearings and seals?

Yes. When ordered as a complete differential assembly, it includes the carrier housing, ring and pinion gear set, side gears, spider gears, thrust washers, tapered roller bearings, and oil seals. This means you can perform a full axle overhaul without sourcing individual components separately.

What gear oil specification should I use after installing this differential?

Follow the Sinotruk Sitrak factory recommendation, which typically calls for GL-5 grade heavy-duty gear oil with a viscosity of 85W-140 or 80W-90 depending on your operating climate. Always fill to the correct level indicated on the axle housing.

Can I order just the ring and pinion gear set without the full carrier assembly?

Absolutely. We can supply individual differential components — ring gear, pinion, side gears, spider gears, or bearing kits — depending on your repair scope. Simply let us know which parts you need when you send your inquiry.

What is the typical lead time for this differential?

For in-stock items, we typically ship within 3–7 business days. For larger bulk orders or custom-packaged shipments, lead time generally ranges from 10–20 days depending on quantity and shipping destination. We’ll confirm exact timelines when you reach out.

Ready to Secure Your Sitrak Differential? Let’s Talk.

Finding the right differential at the right price shouldn’t be complicated. Whether you need a single unit for an urgent repair or ongoing supply for your parts distribution business, Mettlead delivers factory-direct quality with the service flexibility you deserve.

Here’s what to do next:

1. Send us your part number (811-35105-0060-61), required quantity, and destination country.
2. Receive a detailed quotation — typically within 24 hours.
3. Confirm your order and choose from flexible, secure payment options.
4. Receive your differential with full quality documentation and tracking.

Have questions about compatibility, pricing, or bulk discounts? Our parts specialists are standing by to help. Contact Us Now and let’s get your trucks back on the road.