Piston For Weichai WP7 Engine - Brief Introduction
I. Product Introduction
The Yuwei Piston (Model: 610800030035) is a core power component specifically engineered for Weichai WP7 series engines. As a pivotal element in the engine's reciprocating motion, it directly transmits gas pressure and drives the crankshaft, serving as the fundamental carrier that ensures power output, combustion efficiency, and operational stability. This product strictly adheres to Weichai's original manufacturing standards and has obtained ISO 9001:2000 quality system certification. It precisely matches the structural design and operational requirements of WP7 series engines, adapting to various scenarios. The piston meets the high-intensity demands of non-road equipment such as agricultural machinery and construction machinery, while also accommodating heavy-duty power applications. Balancing reliability and cost-effectiveness, it provides robust support for long-term stable engine operation, making it the preferred replacement and maintenance component for original manufacturers.
II. Product Positioning
This product is designed as an original factory specification piston for Weichai WP7 series engines, targeting the maintenance, replacement, and OEM market for non-road machinery (e.g., 4-5 row corn harvesters, grain threshers, silage machines) and related heavy-duty equipment. It balances cost-effectiveness with high quality, serving agricultural machinery users, construction equipment operators, engine repair service providers, and Weichai parts distributors. The product focuses on two key scenarios: First, as an OEM replacement part, it addresses engine power reduction and increased fuel consumption caused by piston wear or damage. Second, as an OEM supplement, it meets the needs of equipment assembly and overhauls, offering practicality and compatibility to fill the gap in mid-to-high-end OEM specification piston maintenance. This helps restore equipment to optimal performance and reduces operational costs.
III. Model Compatibility
Core Engine Adapter
Engine-specific adaptation for Weichai WP7 series engines, covering all power-range models (168-264kW, 7.47L displacement). Designed for engines with 108mm cylinder diameter, 136mm stroke, and 17.5:1 compression ratio, it optimally integrates turbocharging and intercooled intake systems while supporting electronic high-pressure common rail injection. The solution fully complies with non-road Stage II/III and IMOTier II emission standards.
Product Model
Product Model: 610800030035 . This original Weichai factory-standard component directly replaces worn or damaged pistons of the same model. It works with piston rings (Model 610800030012) and piston pins (Model 610800030020) to form a complete piston assembly, compatible with the piston-rod assembly structure of Weichai WP7 series engines.
Device scenarios
Designed for 4-5 row corn harvesters, grain threshers, and silage machines, this system also supports Weichai WP7 engine-equipped construction equipment. It performs reliably in extreme environments including high-altitude, high-temperature, and cold conditions, meeting heavy-load and continuous operation requirements. The fuel system demonstrates strong adaptability, ensuring stable performance in harsh working scenarios.
IV. Product Advantages
Factory-quality, compliant and reliable
Manufactured strictly in compliance with Weichai's original factory technical standards, this product features factory-direct compatibility with materials and processes fully aligned with WP7 engine specifications. Rigorous quality inspections eliminate dimensional deviations and material nonconformities, meeting all industry certification requirements. The installation requires no additional calibration, seamlessly integrating with the engine's existing structure to ensure operational stability while preventing power loss and engine damage caused by non-original components.
Structural optimization for efficient heat dissipation
The ω-combustion chamber design ensures complete fuel combustion, boosting engine efficiency and power output while reducing fuel consumption. Its built-in cooling oil passage effectively cools the piston head, rapidly dissipating heat from reciprocating motion and combustion to prevent overheating-induced deformation and wear, thereby extending service life. The optimized pin holes and external cylindrical profiles enhance component fit precision and minimize operational friction.
Premium material with excellent wear resistance and durability
The high-strength cast aluminum material is selected to balance lightweight design and structural strength. This design not only reduces engine operating load and improves power transmission efficiency, but also withstands the impact forces of high gas pressure and reciprocating motion, demonstrating excellent impact resistance and wear resistance. The surface undergoes special processing to enhance hardness and wear resistance, enabling continuous high-intensity operation of equipment. This reduces friction loss between pistons and cylinder liners, thereby lowering maintenance frequency.
Strong adaptability and operational compatibility
The system precisely matches the electronic control and combustion systems of Weichai WP7 series engines, ensuring tight integration with engine components like the cylinder block and piston rings. It optimizes for the engine's low-speed high-torque and overload capabilities, meeting the demands of heavy-duty and continuous operations in agricultural machinery and construction equipment. The design also features compatibility with three-stage fuel filters and the "93 Sand Dust Filter," enhancing operational reliability in harsh environments. With excellent low-temperature starting performance, it is suitable for multi-regional operations.
V. Installation and Maintenance
(I) Installation Notes
(II) Key Points of Daily Maintenance
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