WEICHAI WP12 Water Pipe Connector Group
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WEICHAI WP12 Fan And Hub Group
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WEICHAI WP12 Fan Bracket Group

The WEICHAI WP12 Fan Bracket Group is a precision-engineered mounting component that supports the cooling fan assembly and provides a secure attachment point for the viscous fan clutch in WP12 heavy-duty diesel engines. As genuine WEICHAI Engine Parts, this fan bracket group ensures proper fan positioning and belt alignment across all WP12 variants from 336 HP to 550 HP. The WEICHAI WP12 Fan Bracket Group is an integral part of the engine’s front-end accessory drive system, which features automatic belt tensioning and achieves a belt service life of 10,000 hours under normal operating conditions.

WEICHAI WP12 Fan Bracket Group
WEICHAI WP12 Fan Bracket Group – Heavy-duty cast iron mounting bracket with precision-machined bearing housing and viscous clutch mounting flange.

What is the WEICHAI WP12 Fan Bracket Group?

The WEICHAI WP12 Fan Bracket Group is a heavy-duty cast iron or high-grade aluminum mounting component that attaches directly to the engine block and provides a secure, vibration-damped mounting point for the engine cooling fan assembly. The bracket serves as the structural backbone for the entire front-end cooling system, supporting the weight of the fan and viscous clutch while maintaining precise alignment between the fan belt drive and the crankshaft pulley.

The WEICHAI WP12 Fan Bracket Group is manufactured from high-strength cast iron or aluminum alloy using precision sand-casting techniques, ensuring excellent rigidity, fatigue resistance, and dimensional stability under continuous thermal cycling. The bracket incorporates an integrated bearing housing that supports the fan shaft or fan hub, allowing smooth rotation of the cooling fan at engine speeds ranging from idle at 650 RPM to maximum rated speed of 2100 RPM. Some variants of the bracket feature a 272mm mounting height for specific cooling system configurations.

The WEICHAI WP12 Fan Bracket Group is a critical component of the engine’s front-end accessory drive system, which features automatic belt tensioning and achieves a belt service life of 10,000 hours under normal operating conditions. The bracket is compatible with both the standard viscous fan clutch and optional crankshaft-driven fan configurations. The front wheel train design incorporates a large integrated fan and pulley system that maintains optimal engine cooling temperatures even during prolonged heavy-load operation.

Applications for the WEICHAI WP12 Fan Bracket Group include Shacman X3000/F3000/X5000, Sinotruk HOWO A7/T7H, Beiben trucks, Oman trucks, Hongyan vehicles, JAC trucks, CAMC vehicles, Yutong buses, Kinglong buses, and SDLG wheel loaders. The bracket group is compatible with WP12 power outputs from 336 HP to 550 HP across Euro III, Euro IV, Euro V, and China VI emission standards. Common OEM part numbers include 612630060238, 1000986905, 612630060549, 1000713056, and 612600100181, depending on the specific application and cooling system configuration.

Counterfeit fan brackets often use inferior cast iron with porosity defects, inadequate heat treatment, and poor dimensional accuracy, leading to premature cracking, fan misalignment, and belt failure. Always source genuine WEICHAI WP12 Fan Bracket Group components from authorized distributors to ensure proper fitment, reliable cooling system performance, and long-term durability in the harsh engine environment. The WP12 engine platform has undergone over 45,000 hours of cumulative bench testing and over 50 million kilometers of road testing, proving the reliability of every fan bracket component.

Product Parameters of WEICHAI WP12 Fan Bracket Group

NO.Part NODescription
1612630060238Fan Bracket (WP12/WP13, for Beiben, Shacman, Hongyan, JAC, CAMC, Yutong, Kinglong)
21000986905Fan Bracket Assembly (WP12, Complete with Bearing Housing)
3612630060549Engine Fan Bracket (WP12, Heavy-Duty Cast Iron Construction)
41000713056Fan Bracket Assembly (WP12, Standard Duty, OEM Replacement)
5612600100181Fan Bracket Assembly (WP12, with Integrated Belt Tensioner Mount)
61000144694Fan Bracket (WP12, for Foton Auman and United Trucks)
7612600061494Engine Fan Bracket (Universal, WP12/WD618 Series)
8612630060538Viscous Clutch Fan Assembly (Complete, with Bracket Mounting Interface)
9612600060123Fan Component Assembly (WP12, Fan Hub and Mounting Hardware)
101001132016Fan Shroud / Deflector Bracket (WP12.460E50, Fan Support Mounting)

The table above lists common service parts for the WEICHAI WP12 Fan Bracket Group. When replacing the fan bracket, always inspect the integrated bearing for smooth rotation. The bracket is manufactured from high-strength cast iron or aluminum alloy using precision sand-casting techniques. The WP12 front wheel train features automatic belt tensioning, achieving a belt service life of 10,000 hours under normal operating conditions. The bracket is compatible with both standard viscous fan clutches and optional crankshaft-driven fan configurations.

Why Choose Our WEICHAI WP12 Fan Bracket Group?

High-Strength Cast Iron Construction

Our WEICHAI WP12 Fan Bracket Group is manufactured from high-strength cast iron using precision sand-casting techniques, providing excellent rigidity, fatigue resistance, and dimensional stability under continuous thermal cycling. The material withstands temperatures from -35°C to 50°C, ensuring reliable performance in extreme environmental conditions.

Precision-Machined Bearing Housing

Each WEICHAI WP12 Fan Bracket Group features a precision-machined bearing housing with tight dimensional tolerances, ensuring smooth rotation of the fan shaft or fan hub. The integrated bearing support reduces vibration and noise, extending the service life of both the bracket and the fan assembly.

Automatic Belt Tensioning Integration

The WEICHAI WP12 Fan Bracket Group is designed as part of the engine’s automatic tensioning front wheel train, which achieves a belt service life of 10,000 hours under normal operating conditions. This reduces maintenance frequency and lowers total operating costs for fleet operators.

Direct Fitment for All WP12 Applications

No modifications required for WP12 engines in Shacman, Sinotruk, Beiben, Hongyan, JAC, CAMC, Yutong, Kinglong, SDLG, and XCMG applications. Bolt-on replacement with factory-specified torque values. Available for both standard viscous clutch and crankshaft-driven fan configurations.

100% Quality Tested

Each WEICHAI WP12 Fan Bracket Group undergoes rigorous quality control including dimensional inspection, casting integrity testing, bearing housing verification, and bolt hole thread inspection. No porosity defects, casting cracks, or machining errors are tolerated. IATF 16949 certified quality.

Global Logistics & Technical Support

Worldwide shipping from regional warehouses. Free fan bracket installation torque charts (mounting bolts: 24-30 N·m), bearing inspection procedures, and troubleshooting guides provided with each order. Volume discounts available for fleet customers and engine rebuilders.

Why trust our WEICHAI WP12 Fan Bracket Group? Supplying over 500 workshops globally. Failure rate below 0.5% within 500,000 km. Proven through 45,000+ bench test hours and 50+ million road kilometers. Backed by Weichai’s B10 life of 1,800,000 km for the WP12 engine platform. IATF 16949 certified quality.

Unlike aftermarket fan brackets that use inferior cast iron with porosity defects and inadequate heat treatment, our genuine WEICHAI WP12 Fan Bracket Group is manufactured to original equipment specifications with documented quality control. Independent laboratory testing confirms that our bracket withstands over 10 million torsional loading cycles without cracking or distortion, far exceeding the service life requirements of the WP12’s B10 overhaul interval of 1,800,000 km. The bracket is also phosphate-coated for corrosion resistance, protecting against rust formation in marine environments and high-humidity operating conditions.

The WEICHAI WP12 Fan Bracket Group is designed to support the weight of the cooling fan and viscous clutch while maintaining precise alignment between the fan belt drive and the crankshaft pulley. The bracket’s integrated bearing housing incorporates a high-quality sealed bearing that requires no lubrication and provides thousands of hours of trouble-free service. The front wheel train design features automatic belt tensioning, which maintains optimal belt tension throughout the service life, eliminating the need for manual tension adjustments.

Technical support includes fan bracket installation procedures: clean mounting surfaces on engine block, inspect bracket for casting defects, verify bearing smoothness, align bracket with locating dowels, torque mounting bolts to 24-30 N·m in a symmetrical cross-tightening sequence, install viscous clutch, and verify fan rotation without interference. Troubleshooting guides for symptoms like fan wobble (worn bearing or loose bolts), belt squeal (misaligned bracket), and vibration (cracked bracket or failed bearing) are provided.

For fleets, sample testing is available. Order one WEICHAI WP12 Fan Bracket Group for trial; volume pricing applies. Many customers report over 800,000 km trouble-free cooling system operation after replacing cracked or worn original brackets with our genuine components. We stock both standard cast iron brackets and aluminum brackets for weight-sensitive applications, and we provide cross-reference support for part number verification based on your engine serial number and cooling system configuration.

What are the Routine Maintenance Considerations for the WEICHAI WP12 Fan Bracket Group?

  • Listen for Bearing Noise: During every scheduled maintenance (every 20,000 km or 500 operating hours), listen for grinding, whining, or rumbling sounds from the fan bracket area. A failing bearing in the WEICHAI WP12 Fan Bracket Group will produce noise that increases with engine speed. Replace the bracket immediately if bearing noise is detected to prevent fan separation and cooling system failure.
  • Inspect for Cracks and Corrosion: Every 100,000 km (60,000 miles) or 1,000 operating hours, perform a thorough visual inspection of the WEICHAI WP12 Fan Bracket Group for casting cracks, especially around the mounting bolt holes and the bearing housing. Use a magnifying glass to detect hairline cracks. Any crack detected requires immediate bracket replacement — cracked brackets cannot be welded and will propagate under load.
  • Check Fan Rotation Smoothness: During belt replacement or cooling system service, remove the drive belt and manually rotate the fan. The fan should spin smoothly with no binding, roughness, or excessive play. Rough rotation indicates a failed bearing in the WEICHAI WP12 Fan Bracket Group. Also check for axial and radial play — excessive play indicates bearing wear requiring bracket replacement.
  • Verify Bracket Bolt Torque: Every 100,000 km, use a calibrated torque wrench to verify that all WEICHAI WP12 Fan Bracket Group mounting bolts are tightened to 24-30 N·m. Loose bolts allow the bracket to move under fan loads, causing vibration, bearing wear, and eventual bracket cracking. If any bolt is found loose, retorque the entire set in a cross-tightening sequence.
  • Inspect Belt Alignment: During routine maintenance, visually inspect the belt alignment between the crankshaft pulley, fan bracket pulley, and other accessory drives. Misalignment indicates a bent or improperly installed WEICHAI WP12 Fan Bracket Group. Use a straightedge or laser alignment tool to verify that all pulleys are coplanar. Misalignment causes accelerated belt wear, belt squeal, and premature bearing failure.
  • Replace Bracket During Cooling System Overhaul: When performing a cooling system overhaul (every 200,000-300,000 km or 4,000-6,000 operating hours), replace the WEICHAI WP12 Fan Bracket Group, viscous fan clutch, drive belt, and belt tensioner. The bracket’s integrated bearing has a finite service life; preventive replacement eliminates the risk of sudden fan failure and engine overheating.
  • Check for Fan Blade Interference: After any maintenance that involves removing or reinstalling the WEICHAI WP12 Fan Bracket Group, rotate the fan manually through several complete revolutions to verify that the fan blades do not contact the fan shroud, radiator, or any other components. Fan blade interference can cause catastrophic blade failure, damaging the radiator and bracket.
  • Complete Front-End Overhaul at 500,000 km: For high-mileage WP12 engines, perform a complete front-end accessory drive overhaul at 500,000 km (300,000 miles) or 10,000 operating hours. Replace the WEICHAI WP12 Fan Bracket Group, viscous fan clutch, drive belt, belt tensioner, idler pulleys, and water pump. The bracket’s bearing will eventually wear; preventive replacement eliminates the risk of sudden cooling system failure and catastrophic engine damage from overheating.

Also monitor engine temperature gauge during operation. If the engine consistently runs hot, inspect the WEICHAI WP12 Fan Bracket Group for proper fan rotation. A seized fan bearing will prevent the fan from rotating, causing rapid engine overheating. Conversely, excessive play in the fan bracket can cause fan wobble, reducing cooling airflow and leading to elevated operating temperatures.

For severe-duty applications (mining, construction, heavy haul, marine), reduce inspection intervals to every 25,000 km (15,000 miles) or 250 operating hours. High ambient temperatures and frequent stop-start cycles accelerate bearing wear. Marine applications require additional corrosion checks — saltwater environments can accelerate galvanic corrosion of cast iron brackets. Consider applying anti-corrosion coating to bracket exteriors in marine applications.

When installing a new WEICHAI WP12 Fan Bracket Group, ensure that all mounting surfaces on the engine block are clean and free of old gasket material, corrosion, and debris. Use a plastic scraper (not metal) to avoid scratching the mounting surface. Align the bracket with the locating dowel pins before tightening bolts. Install the viscous fan clutch with new mounting bolts torqued to factory specifications. After installation, run the engine and inspect for fan wobble, unusual noise, and proper cooling system operation.

Maintain a logbook of all cooling system maintenance: dates of bracket inspections, bearing noise observations, bolt torque verification, belt replacements, and any abnormal findings. For fleet operators, tracking fan bearing noise progression is a powerful predictive maintenance tool — bearing noise typically develops gradually over thousands of kilometers, providing ample warning before catastrophic failure occurs.

Technical Summary: The WEICHAI WP12 Fan Bracket Group is a critical cooling system component that directly affects engine temperature regulation, cooling fan operation, and overall engine reliability. Follow recommended maintenance: bearing noise inspection every 20,000 km, crack inspection every 100,000 km, bolt torque verification every 100,000 km, and complete front-end overhaul at 500,000 km. Expect up to 800,000 km trouble-free cooling system operation with proper maintenance.

In summary, the WEICHAI WP12 Fan Bracket Group features high-strength cast iron construction, precision-machined bearing housing, and automatic belt tensioning integration. Whether you are rebuilding a Shacman X3000, Sinotruk HOWO, Beiben truck, Yutong bus, SDLG wheel loader, marine vessel, or generator set, choosing a genuine fan bracket group directly impacts cooling system reliability, fan longevity, and engine protection against overheating.

For workshops performing in-frame overhauls, we recommend ordering the WEICHAI WP12 Fan Bracket Group together with a complete cooling system service kit including viscous fan clutch (612630060538), drive belt (612600061464), belt tensioner, and water pump. This approach eliminates hidden failures and gives your customer a worry-free warranty period. The fan bracket group is pre-inspected for casting integrity, bearing smoothness, and dimensional accuracy before shipment.

Our inventory includes both standard cast iron fan brackets for highway truck applications and aluminum brackets for weight-sensitive applications. The standard WEICHAI WP12 Fan Bracket Group (612630060238) provides excellent service life for long-haul trucking, while the 272mm height bracket variant is designed for specific cooling system configurations requiring elevated fan positioning. We provide cross-reference support for part number verification — please provide your engine serial number for accurate matching.

We provide after-sales documentation including dimensional inspection reports, casting integrity certifications, material certificates (cast iron composition), bearing specifications, and installation torque specifications upon request. Every WEICHAI WP12 Fan Bracket Group is packaged in protective foam-lined boxes to prevent damage during shipping. Bulk orders receive custom palletizing and export documentation assistance.


All specifications based on original WEICHAI WP12 engine data. Cross-check part numbers with engine serial number and cooling system configuration. The WEICHAI WP12 Fan Bracket Group includes OEM references 612630060238, 1000986905, 612630060549, 1000713056, 612600100181, and 1000144694. Always torque mounting bolts to 24-30 N·m in a cross-tightening sequence, and verify bearing smoothness and fan rotation without interference during installation.

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If you have any questions about our products, services, or anything related to what we offer, please don’t hesitate to leave us a message—our dedicated team is always ready to provide prompt and helpful responses to address your concerns. What’s more, when you become our valued customer, we’re delighted to offer you complimentary catalog services, giving you access to detailed, up-to-date information on our full range of products, specifications, and offerings to help you make informed decisions.

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