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The genuine Shacman X5000 Fan with OEM number 1003310945 is a high-performance, multi-blade axial cooling fan designed for the WP13, WP15, and ISM engine cooling systems. This fan moves a large volume of air through the radiator to maintain optimal engine temperature under all operating conditions. Manufactured from glass-fiber reinforced PA66 composite, 1003310945 offers exceptional strength, fatigue resistance, and dimensional stability at high rotational speeds. The fan features a symmetrical blade profile that reduces noise and vibration while maximizing airflow efficiency. Every dimension matches Shacman’s original design, guaranteeing direct bolt-on replacement for the factory fan assembly on X5000 trucks. The integrated center hub is precisely machined to accept the fan clutch or direct drive adapter, ensuring concentric rotation and balanced operation.
A cracked, warped, or unbalanced fan can cause severe vibration, radiator damage, and engine overheating due to reduced airflow. Installing OEM 1003310945 restores proper cooling capacity, protecting the engine from thermal stress. This fan is essential for radiator replacements, fan clutch service, or any cooling system repair on the X5000 series. The fan’s aerodynamic blade design minimizes power consumption while delivering up to 8,500 CFM at rated speed. The UV-stabilized composite resists cracking from ozone, sunlight, and engine bay chemicals.
Each 1003310945 fan is dynamically balanced to ISO 1940 G6.3 standards and tested for burst strength at 1.5x maximum RPM. Choose genuine Shacman quality for reliable, quiet, and efficient engine cooling on your X5000.
| Parameter | Specification |
|---|---|
| OEM Part Number | 1003310945 |
| Product Name | Engine Cooling Fan / Radiator Fan |
| Brand | Shacman (Genuine OEM) |
| Application | Shacman X5000 – WP13, WP15, ISM engines – radiator cooling |
| Number of Blades | 9 blades (asymmetric pitch for noise reduction) |
| Diameter | 610 mm (24 inches) |
| Mounting Hole Pattern | 6 holes on 150 mm PCD (M8 threads) |
| Material | PA66+GF30 (glass-fiber reinforced nylon) |
| Max Rotational Speed | 2,500 RPM (continuous) – 3,000 RPM intermittent |
| Airflow @ 2,500 RPM | ≥ 8,500 CFM (cubic feet per minute) |
| Static Pressure @ 2,500 RPM | ≥ 120 Pa |
| Dynamic Balance Grade | ISO 1940 G6.3 |
| Temperature Range | -40°C to +120°C (continuous) |
| Weight (approx.) | 2.8 kg |
| Standards | ISO 9001, Shacman Q/SC 714 |
The Shacman fan 1003310945 features an advanced 9-blade asymmetrical design that reduces audible noise and structural resonance. The blades are sculpted with variable pitch angles: steeper near the hub to move air against backpressure, and shallower at the tips to minimize tip vortex losses. Computational fluid dynamics (CFD) was used to optimize the blade profile for maximum efficiency across the typical operating range of 800-2,500 RPM. The result is a fan that delivers high cooling capacity with lower power draw compared to traditional 7-blade designs.
The fan is injection-molded from PA66+GF30, a 30% glass-fiber reinforced nylon that provides exceptional tensile strength (≥150 MPa) and flexural modulus (≥8,000 MPa). This material resists creep and fatigue even after millions of thermal cycles and high centrifugal loads. The glass fibers also improve heat deflection temperature (HDT) to over 200°C, ensuring the blades do not deform even during fan clutch failure or radiator blockage scenarios. The molded-in metal insert at the hub provides precise mounting and distributes clamping load evenly.
Each fan is 100% dynamically balanced on a precision balancing machine, removing material from correction planes to achieve ISO 1940 G6.3 balance grade. This ensures smooth operation, preventing vibration that could damage the water pump bearings, fan clutch, or radiator core. The fan is also spin-tested to 4,000 RPM (1.6x max rated speed) to verify burst strength. The UV-stabilized polymer resists cracking from sunlight exposure, common on trucks operating in open environments.
The asymmetrical blade spacing of the 1003310945 fan randomizes the frequency of blade-passing noise, reducing overall perceived loudness by up to 5 dBA compared to equally spaced fans. The swept blade tips also reduce tip clearance noise. This makes the fan significantly quieter in the cab, improving driver comfort during long hauls.
The engine cooling fan is responsible for pulling air through the radiator when vehicle speed is insufficient to provide natural airflow (e.g., idle, low-speed climbing, heavy load). A damaged or inefficient fan can cause the engine to overheat, leading to head gasket failure, piston seizure, and turbocharger damage. OEM 1003310945 ensures that sufficient airflow is available at all times, maintaining coolant temperature within the design range of 82-95°C.
Fleet data indicates that fan-related cooling issues account for nearly 15% of all engine overheating events. Common problems include cracked blades (from age or impact), unbalanced fans causing bearing wear, and plastic deformation from heat exposure. The genuine Shacman fan’s glass-fiber reinforced construction resists cracking and warping, providing a service life of over 800,000 km. Its balanced design also extends the life of the fan clutch and water pump bearings by reducing vibration loads.
In vehicles equipped with viscous fan clutches, the fan’s inertia and moment of inertia must match the clutch’s engagement characteristics. The 1003310945 fan’s moment of inertia is precisely specified to ensure correct clutch response and prevent overspeed. Aftermarket fans with incorrect weight or balance can cause clutch failure or fan separation, with catastrophic consequences. The OEM fan’s integrated metal hub and balanced design eliminate these risks.
A cracked fan blade can shed debris into the radiator core, puncturing tubes and causing coolant loss. The 1003310945 fan’s robust composite construction resists impact damage from road debris, and its balanced operation minimizes stress on the blades. The fan’s swept tip design also reduces the risk of contact with the radiator shroud during engine mount deflection.
Replacing a damaged fan with OEM 1003310945 requires basic tools and caution. Disconnect the battery, remove the fan shroud (if present), and access the fan mounting bolts. On viscous clutch systems, the fan is typically bolted to the clutch flange using six M8 bolts. Use a fan-holding tool to prevent rotation while loosening bolts. Transfer any spacers or adapters to the new fan. Torque bolts to 18-22 Nm in a star pattern. Reinstall the shroud, ensuring no interference with the fan blades (minimum 10 mm clearance). Start the engine and check for vibration or unusual noise.
This fan is compatible with all Shacman X5000 models equipped with WP13, WP15, or ISM engines from 2015 onward. It directly replaces original part numbers 1003310944 and 1003310946. Applications include the main radiator cooling fan, both for fixed-drive and viscous-clutch systems. Always verify the OEM marking 1003310945 before installation. Do not attempt to repair a cracked fan; replace it immediately.
When replacing the fan, also inspect the fan clutch, shroud, and radiator for damage. Replace any worn fan clutch seals or bearings. Keep a spare 1003310945 fan in your parts inventory for preventive replacement at major service intervals (every 500,000 km). After installation, verify that the fan does not contact any hoses or wiring at full engine torque deflection.
During each PM (preventive maintenance), inspect the fan blades for cracks, chips, or white stress marks. Rotate the fan by hand to feel for bearing roughness (on fixed-drive systems). Check all mounting bolts for tightness. If any blade is damaged, replace the entire fan – individual blades cannot be replaced. A balanced fan is essential for long clutch life.
Shacman X5000 trucks operate in mining, construction, oilfields, and long-haul freight – environments where the cooling fan is exposed to mud, dust, ice, and extreme temperatures. The fan 1003310945 is tested to withstand 1,000 hours of dust ingestion (SAE J726) and salt spray exposure (ASTM B117, 500 hours) without degradation. The PA66+GF30 material resists chemical attack from diesel fuel, oil, and coolant.
In mining haul trucks, the fan operates continuously at high speeds, often in dusty conditions. The glass-fiber reinforcement prevents erosion of the blade leading edges. In arctic operations, the fan remains ductile at -40°C, preventing brittle fracture from ice impact. The symmetrical blade design sheds ice buildup more effectively than asymmetric designs, reducing the risk of imbalance.
For highway fleets, the fan endures millions of engagement cycles from the viscous clutch. Its fatigue life exceeds 30,000 hours, making it a reliable component for the life of the truck. The UV-stabilized polymer resists sunlight cracking, even on trucks with open grilles exposed to intense sun.
1. Precision balance: Dynamically balanced to ISO 1940 G6.3 for smooth operation. 2. Superior material: PA66+GF30 resists cracking, warping, and chemical attack. 3. High airflow: 8,500 CFM at 2,500 RPM ensures adequate cooling. 4. Low noise: Asymmetric blade spacing reduces perceived noise by 5 dBA. 5. Full traceability: Batch-coded with test certificate.
Aftermarket fans often use lower-grade polypropylene that becomes brittle in heat, or are poorly balanced, causing vibration and premature clutch failure. The genuine Shacman fan’s glass-reinforced nylon and precision balance ensure reliable cooling and long life. Investing in 1003310945 prevents overheating, reduces fan clutch replacements, and lowers cab noise levels.
For fleet maintenance, standardizing on genuine Shacman fans simplifies inventory and ensures every technician installs a component that meets original specifications. The cost of one engine overheated due to fan failure far exceeds the price of OEM fans. Additionally, a balanced fan reduces downtime for vibration complaints.
An unbalanced fan can destroy a fan clutch within months. Replacing with the 1003310945 fan’s balanced design extends clutch life by up to 3x, saving significant maintenance costs. Its efficient airflow also reduces engine fan engagement time, lowering fuel consumption by 1-2% in hot climates.
Shacman’s fan 1003310945 is produced in an IATF 16949 certified facility. The PA66+GF30 resin is dried and injection-molded under controlled temperature and pressure. The glass-fiber content is verified by ashing tests. The molded fan is trimmed, and the metal hub insert is ultrasonically installed. Each fan is dynamically balanced on a hard-bearing balancing machine; unbalance is corrected by drilling or adding weight.
Random samples are spin-tested to 4,000 RPM (1.6x max speed) to verify structural integrity. Temperature cycling tests (-40°C to 120°C, 500 cycles) confirm dimensional stability. Salt spray testing (500 hours) verifies corrosion resistance of metal inserts. Only fans that pass all criteria receive the OEM part number marking and are packaged in protective foam-lined boxes.
This rigorous quality system ensures every 1003310945 fan performs identically to the original factory component. Consistency is critical for maintaining cooling system performance and preventing vibration issues across your entire fleet.
Genuine Shacman fan 1003310945 is stocked by authorized distributors worldwide. Parts are supplied in corrugated cardboard boxes with foam inserts to prevent blade damage during shipping, individually labeled with OEM part number and batch traceability. Bulk packs of 3 fans are available for fleet maintenance depots.
Expedited shipping options are available through Shacman’s regional logistics hubs in North America, Europe, Asia, Africa, and the Middle East, with typical delivery within 3-5 business days. Always purchase from certified dealers and verify the holographic authenticity label. Counterfeit fans may lack glass-fiber reinforcement, leading to catastrophic blade failure at high RPM.
For preventive maintenance programs, automated replenishment ensures your workshop never runs out of essential fans. Keep a stock of 1003310945 on every service truck to handle emergency cooling system repairs in the field. Many fleets replace fans during radiator overhauls as a proactive measure.
The Shacman Fan 1003310945 is a high-performance, precision-balanced component that ensures your X5000 engine receives adequate cooling airflow under all operating conditions. Engineered from glass-fiber reinforced nylon with an optimized asymmetric blade design, this genuine OEM fan delivers high airflow, low noise, and exceptional durability. By choosing 1003310945, you prevent overheating, reduce fan clutch wear, and lower cab noise. Don’t trust aftermarket fans – insist on genuine Shacman quality for reliable engine cooling.
