

● Servo-Motor Precision Assembly
Utilizing advanced servo-motor press technology during assembly, we ensure exact component coordination and internal spring tension calibration for consistent mechanical performance.
● Premium Grade Bearings
It's integrated with high-stability bearings from certified matching manufacturers, ensuring smooth rotation and thermal resistance during prolonged high-speed engine operation.
● High-Wear Resistant Components
The pulley and internal friction elements are manufactured from specialized wear-resistant materials, designed to withstand the abrasive dust and heat of the engine bay without premature failure.
● Validated Operational Durability
Each Truck Engine Automatic Tensioner undergoes rigorous inspection via professional testing equipment to simulate the extreme vibration and temperature fluctuations of a heavy-duty engine environment.
This Truck Engine Automatic Tensioner is highly compatible with the Shaanxi Shacman F2000, F3000, and X-series (X3000 to X6000) fleets, as well as Sinotruk HOWO models. It is an essential spare part for maintaining engine timing and accessory efficiency in long-haul logistics trucks, mining tippers, and specialized heavy-industry transport vehicles.
Our production utilizes automated servo-controlled assembly lines to guarantee the accuracy of our Truck Engine Automatic Tensioner's geometric tolerances. This high-precision approach ensures that the belt remains perfectly aligned, reducing lateral wear and preventing the belt from jumping the pulley tracks during sudden RPM changes.
We offer customized product appearance and structural adjustments based on specific client requirements. Beyond standard specifications, our technical team can adapt the exterior finish and packaging to meet your brand’s aesthetic standards while maintaining the core mechanical durability required for industrial use.
1. Heating
The raw metal stock is subjected to controlled induction heating to achieve the optimal metallurgical structure required for high-stress engine components.
2. Mould
Making High-precision industrial moulds are fabricated to ensure that every Automatic Belt Tensioner Pulley for Weichai Power WP10 Truck Engines maintains exact dimensional consistency across large production batches.
3. Casting
The tensioner housing and arm are cast using high-strength alloys, providing the structural rigidity needed to withstand constant belt-load pressure without cracking.
4. Shot
Blasting A thorough shot blasting process is utilized to remove surface scale and impurities, creating a uniform surface texture and improving the adhesion of final protective coatings.
5. Rough
Machining The cast components undergo initial heavy-duty machining to establish the basic geometric profiles and remove excess material according to technical drawings.
6. Finish
Machining High-precision finishing is applied to achieve strict tolerances for bearing seats and pivot points, ensuring the Truck Engine Automatic Tensioner operates with zero mechanical binding.
7. Checking
Each individual component is manually and mechanically checked for dimensional accuracy and surface integrity before moving to the assembly phase.
8. Painting
An industrial-grade anti-corrosion coating is applied to protect the assembly from the extreme heat, road salt, and moisture typical of a heavy-duty truck's engine bay.
9. Testing
The finished assembly undergoes rigorous functional testing, including spring tension calibration and rotational smoothness verification, to ensure 100% reliability in high-vibration environments.
| OE NO. | 612600061256 | Place of Origin | Guangdong, China |
| Purpose | for replace/repair | Condition | New |
| Brand Name | skyond | Material | high quality testing |
| Type | Automatic Tensioning Pulley | Size | standard |
| Model Number | 612600061256 | Reference NO. | WEICHAI |
| Truck Model | WEICHAI | Product Name | Automatic Tensioning Pulley |
| Application | Auto Engine Parts | Quality | 100% Tested |
| Packing | Neutral Packing | Warranty | 3 Months |
| Delivery time | 3-7 Days | MOQ | 1 PC |
| PAYMENT | TT.paypal.Western Union | Shipping | SEA AIR DHL FEDEX EMS |
| OE Number | 612600061256 |