Yuwei Piston 3925878 Product Details
I. Product Introduction
Yuwei Piston 3925878 is a core power component specially designed for Cummins 6CTAA8.3 engine, compatible with 260HP rated power. It is a key reciprocating part in the engine cylinder, undertaking gas pressure and transmitting power to ensure combustion efficiency and operation stability. Manufactured by Hebei Yuwei Piston Co., Ltd. with mature technology and strict quality control, it can be used directly as an original replacement part, widely applied in construction machinery, heavy trucks, generator sets and other equipment equipped with Cummins 6CTAA8.3 engine, solving problems such as wear, power attenuation and increased fuel consumption.
II. Product Positioning
Positioned as a high-end adaptive piston exclusively for Cummins 6CTAA8.3 engine, it focuses on the mid-to-high-end market, serving two core user groups: maintenance service providers and parts distributors (providing cost-effective, in-stock original-level replacement parts); engineering units, logistics companies and power stations (providing stable and durable piston parts to reduce failure and maintenance costs).
With the core positioning of "Precise Adaptation, Long Durability and High Cost-Effectiveness", it meets the performance standards of original parts with more competitive prices and 6-month quality guarantee, filling the market gap between expensive original parts and poorly adaptive ordinary auxiliary parts.
III. Model Adaptation
(I) Core Adaptation Models
Product Model: Yuwei Piston 3925878 (part number consistent with model, directly corresponding to original part number, no additional adaptation required);
Adapted Engine: Cummins 6CTAA8.3 series diesel engine (including 6CT, 6CT8.3, 6CTA8.3 and other derived models);
Rated Power Adaptation: 260HP (precisely matching gas pressure and power transmission needs, cylinder diameter 114mm to maximize combustion efficiency);
Matching Relationship: Supporting replacement part, directly replacing the original piston without modifying the engine block or adjusting parameters.
(II) Applicable Equipment Scenarios
It is widely applicable to:
Construction machinery: excavators, loaders, rollers, cranes, etc.;
Heavy transportation: heavy trucks, trailers, etc.;
Power generation: fixed and mobile generator sets;
Other scenarios: marine auxiliary power equipment and other machinery equipped with Cummins 6CTAA8.3 series engine.
Supplementary Note: It can be used with the same type of piston rings (e.g., 3802429) and piston pins, adapting to different CPL numbers of Cummins 6CTAA8.3 engine with strong versatility.
IV. Product Advantages
Precise Adaptation & High Power Matching
Manufactured in strict accordance with the original parameters of Cummins 6CTAA8.3 engine, with minimal error in key parameters. Optimized "ω" combustion chamber design improves combustion efficiency, avoids power loss, and solves problems such as jitter and insufficient power.
01
High-Quality Material & Outstanding Durability
Made of high-strength steel (some specifications use high-quality cast aluminum), with surface carburizing treatment to enhance hardness and wear resistance. It can withstand harsh working conditions, with a service life 30% longer than ordinary auxiliary piston, reducing replacement frequency and costs.
02
Exquisite Craftsmanship & Strong Stability
Each piston undergoes multiple inspections (raw material tracing, precision processing, high-pressure testing, non-destructive testing) with 100% factory qualification rate. Internal cooling oil channel design reduces operating temperature; optimized pin hole and outer circle design reduces friction and noise, ensuring stable operation.
03
High Cost-Effectiveness & Convenient Procurement
More competitive price than original parts with the same performance. In-stock supply, 1-day delivery after payment, supporting bulk purchase (minimum 6 pieces). 6-month quality guarantee and online technical support are provided.
04
Environmental Protection & Wide Adaptability
Optimized structure reduces fuel consumption and emissions. It adapts to various derived models of Cummins 6CTAA8.3 engine, no additional customization required, reducing parts reserve costs.
05
V. Installation and Maintenance
(I) Installation Notes
- Pre-installation: Check for defects, confirm the piston model matches the engine; check related parts and replace severely worn ones if necessary.
- Cleaning: Thoroughly clean the piston surface, pin hole, ring groove and cylinder block to remove oil and debris.
- Installation: Distinguish gas rings from oil rings, install in the correct direction; apply lubricating oil to the piston pin; use special tools to install the piston to avoid scratches.
- Post-installation Check: Rotate the crankshaft to check for smooth operation and normal cylinder pressure before starting the engine.
(II) Daily Maintenance Points
- Regular Inspection: Check engine oil level and quality regularly; inspect piston operation every 500 working hours for abnormal noise or jitter.
- Regular Replacement: Inspect the piston every 2000-3000 working hours under normal conditions, replace it if severely worn, deformed or cracked.
- Working Condition Control: Avoid long-term overload operation, sudden acceleration/deceleration; use high-quality fuel to prevent carbon deposition.
- Storage Maintenance: Store unused pistons in a dry, ventilated and clean environment, properly packaged to avoid rust and scratches.
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