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Fitment checkOEM number, engine model, and machine model confirmation.
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Export supportPacking notes, mixed order support, and shipping details.
Product Details
Product Overview
This precision-engineered set includes both main bearings and connecting rod bearings specifically designed for the Weichai WP6.240 diesel engine. As critical components of the engine’s rotating assembly, these bearings ensure proper crankshaft and connecting rod support, reducing friction and wear under high-load conditions. Manufactured by, a trusted aftermarket supplier in Guangdong, China, this set is an ideal replacement solution for maintaining or rebuilding Weichai WP6 series engines.
These bearings are commonly used in heavy-duty applications such as construction equipment, industrial machinery, agricultural tractors, generator sets, marine propulsion, and material handling equipment. While designed for the WP6.240, they may also be compatible with other Weichai WP6 engine variants. We recommend verifying fitment with your specific engine serial number before installation.
Key Features & Benefits
Precision Fitment: Manufactured to OEM size specifications, ensuring proper clearance and alignment for Weichai WP6.240 engine crankshaft and connecting rods.
Durable Material Construction: Made from high-strength, wear-resistant bearing materials designed to withstand high combustion pressures and temperatures.
Reduced Friction: Advanced surface finish minimizes friction between rotating and stationary components, improving fuel efficiency and engine longevity.
Complete Set: Includes both main bearing shells and connecting rod bearing shells, providing all necessary components for a full bottom-end overhaul.
Reliable Performance: Each bearing undergoes strict quality control to meet OE performance standards, ensuring consistent oil film formation and load distribution.
Easy Identification: Clear part markings and packaging make identification and installation straightforward for professional mechanics and DIY rebuilders.
Cost-Effective Solution: A high-quality aftermarket alternative to genuine Weichai parts, offering significant cost savings without compromising reliability.
Technical Specifications
Specification
Details
Part Name
Main Bearing & Connecting Rod Bearing Set
Engine Model
Weichai WP6.240
Type
Main Bearing & Connecting Rod Bearing
Engine Type
Diesel
Size
OEM Standard Size
Material
High-Strength Bearing Alloy
Weight
Approx. 2 kg (set)
Place of Origin
Guangdong, China
Packing
Plastic bag, Box, Carton
Warranty
6 Months
After Warranty Service
Online Technical Support
Inspection Support
Video Outgoing Inspection, Machinery Test Report Provided
OEM Cross-Reference
This bearing set is designed as a direct replacement for the following original Weichai part numbers (where applicable):
Main Bearing: OEM Weichai Part Number – 612600050008
Connecting Rod Bearing: OEM Weichai Part Number – 612600050009
Note: OEM numbers may vary by production batch. Please verify with your existing parts or consult your engine manual. Contact our support team for cross-reference assistance if needed.
Compatibility
This bearing set is specifically designed for the Weichai WP6.240 diesel engine. It is commonly used for the following applications:
Construction Equipment: Wheel loaders, bulldozers, excavators (where WP6 engines are installed)
Agricultural Tractors: Large farm tractors and harvesters
Generator Sets: Diesel gensets powered by WP6 engines
Marine Engines: Auxiliary and propulsion engines in small vessels
Material Handling: Forklifts, cranes, and heavy lift equipment
Important Fitment Note: This product is designed for aftermarket use. While we strive for broad compatibility, we recommend cross-referencing with your specific engine serial number and existing bearing dimensions to ensure correct fit. The WP6.240 is a 6-cylinder, 6.5L turbocharged diesel engine produced by Weichai Power.
Global Supply & Distribution
maintains a robust global supply chain, enabling efficient delivery of engine components to customers worldwide. We export from our facility in Guangdong, China, to major industrial markets including:
North America: USA, Canada, Mexico
Europe: Germany, UK, France, Italy, Netherlands, Poland
Asia-Pacific: Australia, Japan, South Korea, Southeast Asia (Indonesia, Thailand, Vietnam)
Middle East & Africa: UAE, Saudi Arabia, South Africa, Nigeria, Kenya
South America: Brazil, Argentina, Chile, Colombia
We offer flexible shipping options including express courier (DHL, FedEx, UPS), air freight, and sea freight (FCL/LCL) to major ports and industrial centers. Our logistics team provides real-time tracking and customs documentation support to ensure smooth international transactions.
Quality Assurance
At, we prioritize quality and reliability in every component we supply:
Manufacturing Standards: Our bearings are produced in ISO 9001-certified facilities using precision machining and strict dimensional control.
Material Certification: All bearing materials are sourced from approved suppliers and tested for hardness, composition, and fatigue resistance.
Inspection: Each batch undergoes outgoing quality inspection, including dimensional checks, surface finish analysis, and visual inspection. Video inspection reports are available upon request.
Warranty: We provide a 6-month warranty against manufacturing defects. After warranty, our technical team remains available for online support to assist with fitment issues or troubleshooting.
Testing: Machinery test reports can be provided to verify performance characteristics under simulated operating conditions.
FAQ
Q1: How do I verify that this bearing set fits my Weichai WP6.240 engine? A: First, check your engine model tag or serial number to confirm it is a WP6.240 variant. Then, remove one main bearing cap and one connecting rod cap to measure the bearing shell width and thickness. Compare with the dimensions provided in the product listing (OEM size). If in doubt, contact our support team with your engine serial number and we can cross-reference with our database.
Q2: Can I install these bearings myself, or do I need special tools? A: Installation of main and connecting rod bearings requires mechanical experience and precision. Essential tools include a torque wrench, plastigauge (for measuring bearing clearance), and engine assembly lubricant. We recommend having the work performed by a qualified diesel mechanic, as incorrect installation can lead to engine damage. Proper torque specifications for the WP6.240 are critical—refer to the Weichai service manual for exact values.
Q3: What maintenance should I perform after installing new bearings? A: After installation, follow a strict break-in procedure: run the engine at low load for the first 50 hours, avoiding sustained high RPM. Change the engine oil and oil filter after the break-in period to remove any wear particles. Thereafter, adhere to the manufacturer’s recommended oil change intervals (typically every 250-500 hours for heavy-duty use) using the correct viscosity grade (e.g., 15W-40 CF-4 or higher). Regularly check oil pressure and listen for unusual knocking sounds, which may indicate bearing wear or improper clearance.
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