Product Features

• Structure: Bi-metal construction with a high-strength steel backing and a lead-copper alloy overlay. The overlay provides excellent anti-friction and anti-wear properties, while the steel backing ensures structural rigidity.

• Performance: Designed to withstand high dynamic loads and operating temperatures, ensuring smooth crankshaft rotation. The soft overlay can embed small contaminants, protecting the crankshaft journal from damage.

• Design: Precision-machined to exact tolerances, with a half-moon profile that fits perfectly into the cylinder block and main bearing caps for uniform load distribution.

Core Function

• Supports the crankshaft and reduces friction between its journals and the cylinder block, enabling smooth engine operation.

• Distributes the crankshaft’s load evenly across the bearing surface, preventing localized stress and premature failure.

• The anti-friction overlay minimizes wear, extending the service life of both the bearing and the crankshaft.

Main Bearing VG1500010046 for SINOTRUK HOWO Engine – Premium Quality, Factory Direct

When your SINOTRUK engine demands unwavering support at the crankshaft, the Main Bearing VG1500010046 delivers exactly that. Engineered to meet OEM specifications for SINOTRUK WD615 series engines, this precision-crafted bearing keeps your fleet running smoothly while protecting the heart of your powertrain from premature wear. METTLEAD Truck Parts brings this critical component directly from the production line to your warehouse — no middlemen, no inflated costs, just reliable parts that get the job done.

Why This Main Bearing Matters to Your Fleet

The main bearing sits between the crankshaft and the engine block, shouldering enormous rotational forces every second your truck is in motion. A substandard bearing doesn’t just wear out — it threatens your entire engine assembly. The VG1500010046 main bearing is built to handle that responsibility with confidence.

• OEM-Grade Precision: Manufactured to match original SINOTRUK specifications, ensuring perfect fitment and optimal oil clearance for the WD615 engine family.
• Superior Load Capacity: Multi-layer construction with a steel backing, copper-lead alloy intermediate layer, and tin-aluminum overlay delivers exceptional fatigue resistance under heavy-duty operating conditions.
• Extended Service Life: Anti-friction surface treatment minimizes wear during cold starts and high-load scenarios, helping your engines reach overhaul intervals without bearing-related failures.
• Corrosion Resistance: The overlay material resists acidic byproducts in engine oil, maintaining bearing integrity even in demanding operating environments.
• Cost Efficiency: Factory-direct pricing from METTLEAD means you get genuine-quality components at a fraction of dealer markup, protecting your procurement budget without compromising reliability.

Technical Specifications – Main Bearing VG1500010046

Application Scenarios – Where This Bearing Performs

The Main Bearing VG1500010046 is designed for the SINOTRUK WD615 engine platform, which powers some of the most widely deployed heavy-duty trucks across Africa, Southeast Asia, the Middle East, and Central Asia. Here’s where you’ll typically find this bearing working hard:

• SINOTRUK HOWO 6×4 Dump Trucks: Hauling aggregate and construction materials under extreme payload conditions where engine bearings absorb constant shock loading.
• HOWO A7 Tractor Heads: Pulling fully loaded trailers across long-haul routes where sustained high RPM demands consistent bearing performance over hundreds of thousands of kilometers.
• HOWO T7H Logistics Vehicles: Operating in fleet environments where scheduled maintenance windows are tight and bearing reliability directly impacts uptime targets.
• SITRAK C7H Heavy-Duty Trucks: Serving premium transport operations where engine smoothness and low NVH depend on precise bearing clearances.
• Concrete Mixer Trucks and Special Vehicles: Running WD615 engines under variable-load PTO operations that place unique cyclic stresses on main bearings.

Whether your customers operate in the dusty construction sites of Nigeria, the mountainous highways of Peru, or the scorching desert routes of Saudi Arabia, this bearing is built to endure.

OEM/ODM Capability – Your Brand, Our Manufacturing

METTLEAD Truck Parts understands that distributors and fleet operators have different branding requirements. That’s why we offer flexible partnership options for the VG1500010046 main bearing and our entire SINOTRUK truck parts catalog

• White-Label Packaging: Ship bearings under your own brand identity with custom box design, logos, and part numbering systems.
• Custom Packaging Configurations: Individual pair packaging, full engine sets, or bulk cartons — we adapt to your distribution model.
• Strict Quality Control: Every batch undergoes dimensional inspection, surface finish verification, and material composition testing before shipment.
• Flexible MOQ: Whether you need 50 sets for a trial order or 5,000 sets for annual supply, our production capacity scales to your demand.
• Factory Visits Welcome: We invite procurement teams to inspect our manufacturing facilities, quality processes, and inventory systems firsthand.

Frequently Asked Questions – Main Bearing VG1500010046

What engine models does the VG1500010046 main bearing fit?

The VG1500010046 is specifically designed for the SINOTRUK WD615 inline-6 diesel engine series. This engine family powers HOWO, HOWO A7, HOWO T7H, and SITRAK C7H trucks. Always confirm your engine serial number to verify compatibility, especially if the engine has been previously overhauled with an undersize crankshaft.

Is this main bearing available in undersize dimensions?

Yes. Beyond the standard (STD) dimension, we supply the VG1500010046 main bearing in -0.25 mm and -0.50 mm undersize options. These are essential for engines that have had their crankshaft journals machined during overhaul. Specify your required size when requesting a quotation.

How many main bearings does a WD615 engine require?

The WD615 inline-6 engine uses 7 main bearing positions. Each position requires one upper and one lower bearing shell. A complete set for one engine overhaul therefore consists of 7 pairs (14 individual shells). The thrust bearing is typically integrated into one of the main bearing positions.

What causes premature main bearing failure in SINOTRUK engines?

Common causes include contaminated or degraded engine oil, insufficient oil pressure due to a worn oil pump, improper bearing clearance during assembly, and coolant intrusion from head gasket failure. Using genuine-specification bearings like the VG1500010046 and maintaining strict oil change intervals are your best defenses against early failure.

How does your main bearing compare to the original SINOTRUK part?

Our VG1500010046 main bearing is manufactured to OEM dimensional tolerances and uses the same tri-metal construction as the original component. We apply the same material specifications for the steel back, copper-lead intermediate layer, and overlay. The result is a bearing that performs identically to the original at a significantly lower procurement cost.

What is the recommended replacement interval for this main bearing?

Under normal operating conditions with proper lubrication, the VG1500010046 main bearing is designed to last through a full engine overhaul cycle — typically 300,000 to 500,000 km depending on load profiles and maintenance discipline. If you detect metallic particles in your oil analysis or notice increased crankshaft play, inspection is warranted regardless of mileage.

Ready to Secure Your Supply? Let’s Talk.

Your customers depend on their SINOTRUK trucks. Their trucks depend on quality engine components. The Main Bearing VG1500010046 is one small part that makes a massive difference in engine longevity and fleet uptime.

METTLEAD Truck Parts is ready to be your reliable supply partner — with competitive factory pricing, fast production turnaround, and the technical knowledge to support your parts business. Whether you need a sample order to validate quality or a long-term supply agreement, we’re here to make it happen.

Contact us today
to request pricing, MOQ details, or technical data sheets for the VG1500010046 and other SINOTRUK engine bearings. Your inquiry will be answered within 24 hours by our dedicated parts specialists.

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