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The BY612600061480 Fan Flange is a precision-machined engine component that serves as the essential mounting interface between the engine’s water pump shaft and the cooling fan assembly in SHACMAN trucks. This genuine SHACMAN part ensures secure, balanced, and vibration-free operation of the cooling fan, which is vital for maintaining optimal engine temperature under heavy loads.
As a fundamental element among Shacman truck parts, the flange’s integrity directly impacts the entire cooling system’s performance. A faulty or worn flange can lead to fan imbalance, excessive vibration, and even catastrophic failure, resulting in engine overheating and costly repairs. The BY612600061480 is engineered to exact tolerances, providing a perfect fit and reliable service throughout the engine’s operational life, making it a crucial component for preventive maintenance and cooling system overhauls.
Fan Flange
Фланец Вентилятора
Precision Machined from High-Grade Steel: The BY612600061480 flange is CNC-machined from forged or high-tensile steel, ensuring exceptional strength, dimensional accuracy, and resistance to warping under thermal and mechanical stress.
Balanced Design for Vibration Reduction: Engineered and manufactured with strict balance tolerances to prevent harmonic vibrations when spinning at high RPM, protecting the water pump bearings and fan clutch from premature wear.
Corrosion-Resistant Surface Treatment: Features a protective coating, such as zinc plating or phosphate treatment, to resist rust and corrosion caused by moisture, coolant spray, and road chemicals, ensuring long-term reliability.
Secure Locking Mechanism Design: Incorporates precisely machined keyways, bolt circles, and threaded holes that provide a positive, slip-free connection to the water pump shaft and fan assembly, crucial for safe operation.
The table below provides detailed technical specifications for the BY612600061480 Fan Flange. This data is essential for verifying compatibility and understanding the component’s construction for your SHACMAN engine.
| Parameter | Value / Description |
|---|---|
| OEM Part Number | BY612600061480 |
| Product Name | Fan Flange |
| Brand | SHACMAN |
| Primary Material | High-Carbon Steel or Forged Alloy Steel |
| Surface Treatment | Zinc Plating or Anti-Corrosion Phosphate Coating |
| Shaft Connection Type | Tapered Bore with Keyway, or Splined Design |
| Mounting Bolt Pattern | 4-Bolt, 5-Bolt, or 6-Bolt Circle (Model Specific) |
| Outside Diameter (Approx.) | 150 mm – 250 mm (Varies by application) |
| Operating Temperature Range | -40°C to +150°C (Engine bay environment) |
| Maximum Rotational Speed | Rated for engine-rated RPM (Typically up to 2500 RPM) |
| Balance Standard | Dynamically Balanced to G6.3 or better |
| Compatible SHACMAN Models | F2000, F3000, M3000, X3000 series with specific engine types (e.g., WP10, WP12) |
Always verify the fit of BY612600061480 using your engine model and VIN. Incorrect flange specifications can lead to severe cooling system failure.
The BY612600061480 Fan Flange is the central mechanical link in the engine cooling fan drive system. It is mounted directly onto the protruding shaft of the water pump or a dedicated fan drive pulley.
Its primary function is to transmit rotational force from the engine to the fan blades efficiently and without slippage. It must also maintain perfect alignment to prevent wobble and absorb minimal power from the engine.
A secure and true-running flange is critical. Any runout or imbalance can cause damaging vibrations that travel through the water pump bearings, fan clutch, and radiator, leading to accelerated wear of all connected components.
For mechanics, the condition of the flange is a key diagnostic point when investigating cooling fan vibrations or unusual noises. Replacing a worn flange during a water pump service is a proactive measure that safeguards the new pump’s longevity.
1. Ensure the engine is cool and the battery is disconnected. Safely support the fan shroud and fan assembly if needed.
2. Remove the fan clutch assembly from the water pump shaft, noting the position of any spacers or washers.
3. Inspect the water pump shaft for wear, corrosion, or damage. Clean the shaft taper and keyway thoroughly.
4. Check the new BY612600061480 flange for any shipping damage and ensure the keyway matches the shaft key.
5. Apply a thin layer of approved anti-seize compound to the shaft taper, avoiding the keyway. Slide the flange onto the shaft.
6. Install the washer and retaining nut. Torque the nut to the manufacturer’s specification using the correct tool to prevent shaft rotation.
7. Reinstall the fan clutch and blades, ensuring all bolts are secured to the proper torque. Reconnect the battery and test.
• During routine cooling system inspections, visually check the flange area for signs of rust, cracking, or oil/coolant contamination.
• Listen for unusual whining or rumbling noises from the front of the engine, which may indicate bearing wear exacerbated by flange imbalance.
• Check for visible fan wobble with the engine idling (from a safe distance). Any noticeable shake suggests a problem with the flange, shaft, or fan assembly.
• Inspect the flange’s mounting nut for looseness during major service intervals. A loose flange can quickly destroy the water pump shaft.
• When replacing the water pump, always inspect the old flange. It is often recommended to install a new BY612600061480 flange with a new pump.
• Keep the area around the flange clean from debris to allow for visual inspection and prevent dirt from entering the seal area.
Correct installation torque for the retaining nut is critical for the BY612600061480. Overtightening can damage the shaft, while undertightening can allow the flange to work loose and cause catastrophic failure.
The genuine BY612600061480 is manufactured to SHACMAN’s precise geometric and material specifications. Its balance, hardness, and corrosion resistance are tested and guaranteed for the specific engine application.
Universal or counterfeit flanges may have subtle imperfections in the taper angle, keyway dimensions, or bolt hole spacing. These can cause improper seating, leading to micro-movements, fretting corrosion, and eventual failure.
Their material composition may also be inferior, lacking the necessary tensile strength or fatigue resistance. This can lead to cracking under the cyclical stresses of engine operation. The genuine part ensures a perfect, durable connection.
Using the OEM BY612600061480 protects your investment in the water pump and fan clutch, maintains cooling system efficiency, and upholds the vehicle’s warranty for related components.
Experienced diesel mechanics emphasize the importance of not overlooking the fan flange during cooling system service. The BY612600061480 is recognized for its consistent quality and fit.
Fleet maintenance logs show that specifying the genuine flange during water pump replacement cycles eliminates come-backs for vibration-related issues. This reliability translates to higher vehicle availability.
Operators may not see the flange, but they feel its effects. A properly balanced system driven by a true-running flange results in smoother engine operation and consistent cooling performance, especially in stop-and-go traffic or high ambient temperatures.
A precision-machined flange like the BY612600061480 minimizes parasitic drag on the engine. Reduced vibration means less energy is wasted as heat and noise in the bearings and supports.
This efficiency contributes marginally to overall fuel economy by ensuring the cooling fan operates with minimal mechanical loss. More importantly, it prevents secondary failures.
By ensuring stable fan operation, the flange helps maintain a consistent engine temperature, which is crucial for optimal combustion efficiency, emission control, and oil life extension.
Each BY612600061480 undergoes machining quality checks, hardness testing, and often a balance verification process. This ensures it meets the stringent standards required for a rotating assembly component.
As a genuine SHACMAN part, it is covered by the manufacturer’s warranty against defects. This provides assurance that the component will perform as intended under normal operating conditions.
Purchasing from authorized sources guarantees you receive the authentic, quality-assured part, along with access to accurate technical support for your specific engine model.
The cost of the genuine BY612600061480 flange is minor compared to the potential damage a failed unit can cause. A loose or broken flange can destroy a water pump, damage the radiator, and even harm the fan clutch.
Its inclusion as part of a routine water pump replacement is a cost-effective preventative measure. It extends the service life of the new pump and the entire fan drive assembly.
For fleets, this practice reduces unexpected roadside overheating events and associated tow and repair costs, contributing significantly to a lower total cost of ownership for each vehicle.
The BY612600061480 is designed for specific SHACMAN engine models and water pump configurations. Compatibility is determined by the shaft diameter, taper angle, keyway size, and bolt pattern.
Using the exact OEM number is crucial. A flange that appears similar may have a different taper, leading to incomplete contact with the shaft. This concentrates stress and can cause the shaft or flange to fracture.
Always cross-reference the BY612600061480 using your engine’s serial number, water pump part number, or VIN. Consult official SHACMAN documentation or an authorized dealer to confirm 100% correct application before installation.
The BY612600061480 Fan Flange is a small but mighty component that guarantees the smooth and reliable operation of your SHACMAN truck’s vital cooling fan. Its role in preventing vibration and ensuring power transmission is indispensable.
Choosing the genuine BY612600061480 is a direct investment in cooling system integrity, engine protection, and operational uptime. It delivers the precision, strength, and durability that heavy-duty applications demand.
Do not compromise on this critical link. For your next cooling system service or water pump replacement, insist on the authentic SHACMAN BY612600061480 Fan Flange for guaranteed fit, performance, and peace of mind mile after mile.
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