- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com
- Wanda Plaza, Jinan, Shandong, China
- +8617615809553
- info@deruna.com


Maintaining optimal engine temperature is essential for excavator performance, and the 800104394 Fan Belt plays a critical role in this process. As an integral component within the XCMG Excavator Parts system, this genuine fan belt ensures reliable power transmission from the engine crankshaft to the cooling fan and other accessory components. A properly functioning fan belt is vital for preventing engine overheating, which can lead to severe damage and costly repairs. The XCMG 800104394 delivers consistent performance under demanding conditions, providing the durability and reliability that professionals expect from genuine OEM components.
 
        Fan Belt
 
        Ремень вентилятора
 
        Correa del Ventilador
The 800104394 Fan Belt serves as the essential link between the engine crankshaft and the cooling system components. This genuine XCMG part drives not only the cooling fan but may also power other accessories such as the water pump, alternator, and hydraulic pump in some excavator configurations. Proper tension and condition of the fan belt are crucial for maintaining adequate airflow through the radiator, which directly affects engine temperature regulation and overall operational efficiency.
During operation, the 800104394 withstands significant mechanical stress, temperature variations, and environmental challenges. The belt’s construction incorporates multiple layers of high-strength materials designed to resist stretching, cracking, and wear. A failure in this critical component can lead to rapid engine overheating, potential damage to cylinder heads, pistons, and other engine components, resulting in extensive downtime and repair costs that far exceed the investment in a genuine replacement belt.
The XCMG 800104394 Fan Belt is engineered with precision to meet the exacting standards of heavy equipment operation. Its multi-layer construction typically includes high-tensile strength cords embedded in synthetic rubber compounds, providing exceptional durability and resistance to the harsh conditions encountered in construction environments. The belt’s profile and length are precisely manufactured to ensure perfect fitment and optimal power transmission efficiency.
One of the key technical advantages of the 800104394 is its advanced compound formulation that resists heat degradation, oil contamination, and ozone cracking. The belt’s design incorporates precisely molded ribs or grooves that maximize surface contact with pulleys while minimizing slippage. This engineering excellence ensures consistent performance throughout the belt’s service life, maintaining proper fan speed for adequate cooling regardless of engine load or ambient temperature conditions.
| Parameter | Specification | 
|---|---|
| OEM Number | 800104394 | 
| Product Name | Fan Belt | 
| Brand | XCMG | 
| Application | XCMG Excavator Cooling Systems | 
| Belt Type | V-Ribbed (Serpentine) | 
| Belt Length | Manufacturer Specific | 
| Rib Count | 6-Rib Standard | 
| Temperature Range | -40°C to 120°C | 
| Tensile Strength | High-grade polyester cords | 
| Cover Material | Heat-resistant synthetic rubber | 
| Compatible Models | Multiple XCMG Excavator Series | 
Correct installation of the 800104394 Fan Belt is essential for optimal performance and longevity. Before installation, carefully inspect all pulleys for damage, misalignment, or contamination that could accelerate belt wear. Ensure the engine is completely cool and the ignition system is disabled to prevent accidental starting during the installation process. Use appropriate tools to release tension from the belt tensioner before removing the old belt.
Regular inspection and maintenance of the 800104394 are crucial for preventing unexpected failures. The recommended service interval typically involves visual inspection every 250 operating hours and replacement every 1000-1500 hours, though severe operating conditions may necessitate more frequent attention. Proper tension is critical—too loose and the belt will slip, reducing cooling efficiency; too tight and excessive bearing wear may occur in the connected components. Always refer to the specific XCMG technical manual for precise tension specifications and adjustment procedures.
The 800104394 Fan Belt is designed specifically for compatibility with multiple XCMG excavator models across different series and production years. This includes popular models from the XE series such as the XE150, XE170, XE200, XE210, and XE215, as well as various models from the XC and XP series. The precise engineering ensures perfect fitment and optimal performance for each specific application, accounting for variations in engine configuration and accessory drive layouts.
While the 800104394 offers broad compatibility across the XCMG excavator range, it’s essential to verify the specific requirements for your equipment model and serial number. Using genuine XCMG fan belts guarantees proper fitment, optimal power transmission, and maintains your equipment’s warranty coverage. Cross-referencing with your equipment manual or consulting with authorized XCMG parts distributors ensures you select the correct belt for your specific cooling system configuration.
Investing in genuine XCMG fan belts like the 800104394 provides significant economic advantages throughout the equipment lifecycle. While the initial cost may be higher than aftermarket alternatives, the long-term savings are substantial. Genuine belts offer extended service life, reduced risk of unexpected failure, prevention of collateral damage to other components, and maintenance of optimal fuel efficiency through proper accessory operation.
The financial impact of fan belt failure is often underestimated. A broken belt can lead to immediate engine overheating, potentially causing severe damage to cylinder heads, pistons, and other internal components. The resulting repair costs can reach thousands of dollars, not including the substantial revenue loss from equipment downtime during critical project phases. The 800104394 represents a minimal preventive maintenance investment that delivers excellent return through reliable cooling system operation and prevented engine damage.
Several indicators suggest your 800104394 Fan Belt requires replacement. Visual signs include cracking on the ribbed surface, glazing from slippage, fraying along the edges, or visible wear on the ribs. Audible symptoms may include squealing during acceleration or when accessories engage, particularly in damp conditions. Performance issues such as engine overheating, dimming lights indicating alternator issues, or reduced hydraulic performance can also signal belt problems.
Regular inspection should include checking for proper tension—the belt should have minimal deflection when pressed at the midpoint between pulleys. Following the manufacturer’s recommended service intervals remains the best practice, but recognizing these warning signs between scheduled maintenance can prevent unexpected failures. Many professional operators keep a spare 800104394 as part of their essential maintenance inventory to minimize downtime when replacement becomes necessary.
Beyond basic cooling system function, the XCMG 800104394 Fan Belt offers significant operational benefits. Consistent cooling system performance maintains optimal engine operating temperature, which directly impacts fuel efficiency, emissions control, and engine longevity. Proper belt tension and condition ensure that all driven accessories operate at their designed speeds, providing reliable electrical power, hydraulic pressure, and cooling capacity.
From a performance perspective, the genuine 800104394 delivers smooth, vibration-free operation that reduces stress on pulley bearings and other drive components. The advanced compound materials resist the hardening and cracking that can occur with age and heat exposure, maintaining flexibility and grip throughout the service interval. This reliability is particularly important in extreme operating conditions where consistent cooling is essential for maintaining productivity.
The 800104394 Fan Belt represents XCMG’s commitment to quality engineering and reliable performance. As a genuine OEM part, it undergoes rigorous testing to ensure it meets the specific requirements of XCMG excavator cooling systems. While aftermarket alternatives may appear similar, they often compromise on material quality, dimensional accuracy, tensile strength, or resistance to environmental factors.
Genuine XCMG fan belts are manufactured to precise specifications using advanced materials that deliver consistent performance throughout the service interval. The 800104394 is specifically engineered to handle the unique load characteristics, temperature variations, and environmental challenges of XCMG excavators, providing reliability that generic aftermarket belts cannot match. Choosing genuine XCMG parts ensures optimal cooling system performance and protects your substantial equipment investment.
The XCMG 800104394 Fan Belt is more than a simple maintenance item—it’s an essential component for ensuring reliable engine operation and preventing costly overheating damage. By providing consistent power transmission to the cooling system, this genuine OEM part maintains optimal engine temperature, protects against thermal stress, and supports the efficient operation of critical accessories. The advanced materials and precision engineering deliver reliable performance in the most demanding operating environments.
Regular inspection and replacement of the 800104394 according to manufacturer recommendations represents one of the most cost-effective maintenance practices for excavator owners. The modest investment in genuine XCMG fan belts pays substantial dividends through prevented engine damage, maintained productivity, and reliable equipment performance. Trust the engineering excellence of XCMG to protect your cooling system with the 800104394 Fan Belt—the professional choice for reliability and performance in demanding excavation applications.