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Brand: C.OEFT
OE numbers: 8892487142
Product Name: Transmission Assembly
Compatible model:
Product status:Remanufactured
Product weight: 120.000KG
Packaging size: 100X100X100 cm
Product packaging: Neutral Packaging
Car Series: Chinese
Car Type: for Geely Emgrand FE-6 United Electronics TCU
1.Core Power Transfer & Gear Ratio Adjustment
As the core of the vehicle’s powertrain, 8892487142 transmits the engine’s torque to the drive wheels by adjusting gear ratios. It offers multiple forward gears and one reverse gear, adapting to different driving scenarios:
①.Low Gears (1st-2nd):
Provide high torque output for smooth vehicle startup and climbing steep slopes.
②.High Gears (5th-6th, depending on transmission type):
Reduce engine speed during high-speed cruising, improving fuel efficiency and reducing engine noise.
③.Reverse Gear:
Enables the vehicle to move backward, meeting parking and maneuvering needs.
2.Collaborative Control with United Electronics TCU
Works in real-time with United Electronics TCU to execute intelligent shift control:
The TCU collects data from vehicle sensors (engine speed, throttle position, vehicle speed, brake signal) and sends control commands to the transmission’s solenoid valves.
The transmission adjusts clutch engagement/disengagement speed and hydraulic pressure according to TCU signals, ensuring optimal shift timing and intensity. For example, during light throttle input (eco-driving), it upshifts early to save fuel; during heavy throttle input (aggressive driving), it delays upshifting to maintain power.
3.Lubrication & Cooling for Internal Components
Features a closed-loop lubrication and cooling system:
Lubrication: A gear-driven oil pump continuously delivers transmission fluid to gears, bearings, and clutches, forming a protective oil film to reduce friction and wear.
Cooling: Excess heat generated by mechanical friction is absorbed by the transmission fluid, which is then cooled by the integrated oil cooler before re-entering the system. This prevents overheating and ensures stable performance of internal components.
4.Clutch Engagement/Disengagement Control (for Automatic Transmissions)
For automatic transmission variants, it precisely controls the multi-plate clutch (or torque converter) to manage power interruption and connection during gear shifts:
During gear changes, the clutch temporarily disengages to cut off power flow, allowing smooth gear meshing; after shifting, it re-engages gradually to avoid torque shock.
Collaborating with United Electronics TCU, it adjusts clutch pressure in real time—e.g., increasing pressure during high loads to prevent slippage, and reducing pressure during low loads to improve shift smoothness.
5.Fault Diagnosis & Status Feedback
Integrates multiple sensors (oil temperature sensor, pressure sensor, gear position sensor) to monitor its own operating status. It transmits real-time data (e.g., current gear, oil temperature, hydraulic pressure) to United Electronics TCU. If a fault occurs (e.g., oil leakage, sensor failure), it triggers a fault code (compliant with SAE J2012) and sends a warning signal to the vehicle’s dashboard, enabling technicians to quickly locate and repair issues during maintenance.
1.Perfect Compatibility with Geely Emgrand FE-6 & United Electronics TCU
Tailor-made for Geely Emgrand FE-6’s powertrain architecture, 8892487142 strictly adheres to the vehicle’s original interface dimensions, hydraulic pressure parameters, and electrical communication protocols. It is fully optimized to match United Electronics TCU, eliminating issues like signal asynchrony, hydraulic leakage, or clutch misengagement that may occur with non-specialized transmissions. This ensures plug-and-play integration and synergistic operation between the transmission and TCU, maximizing powertrain efficiency.
2.Superior Durability with Premium Materials & Craftsmanship
①.Core Components:
Gears are forged from high-strength 20CrMnTi alloy steel, carburizing and quenching treatment to achieve a surface hardness of HRC 58-62, significantly enhancing wear resistance and load-bearing capacity.
②.Sealing System:
Adopts imported Viton seals, which resist high temperatures (up to 200°C) and transmission fluid corrosion, effectively preventing oil leakage and extending the service life of internal components.
③.Manufacturing Precision:
Key mating surfaces are machined via 5-axis CNC equipment with a tolerance of ±0.005mm, ensuring smooth gear meshing and minimizing mechanical noise during operation.
④.Reliability:
Undergoes 10,000+ hours of durability testing and 5,000+ cycles of shift fatigue testing, with a mean time between failures (MTBF) exceeding 15,000 hours—outperforming industry average standards by 30%.
3.High-Efficiency Power Transfer & Smooth Shifting
Equipped with an optimized gear ratio design (tailored for Geely Emgrand FE-6’s engine torque characteristics) and a low-friction bearing system, the transmission achieves a power transfer efficiency of over 94%—reducing energy loss and improving fuel economy. Collaborating with United Electronics TCU’s advanced control algorithms, it realizes shift response times of ≤0.3 seconds and shift shock ≤0.08g, delivering a smooth and responsive driving experience even during rapid acceleration or deceleration.
4.Intelligent Thermal Management & Adaptability to Harsh Conditions
Integrates a high-efficiency oil cooler and a dynamic thermal control valve, which automatically adjusts the flow of transmission fluid based on operating temperature (maintaining optimal temperature range: 85-115°C). This ensures stable performance in extreme environments, such as high-temperature areas (ambient temperature ≥40°C) or frequent stop-and-go urban driving, avoiding issues like overheating-induced shift delays or component damage.
5.Cost-Effective OEM-Grade Performance
While meeting Geely’s original equipment (OE) quality standards, 8892487142 is priced 25-30% lower than genuine OE transmissions. Its robust design reduces maintenance frequency and replacement costs, making it an economical choice for Geely Emgrand FE-6 owners, repair shops, and fleet operators. Additionally, it comes with a comprehensive after-sales guarantee, further lowering the total cost of ownership.
6.Comprehensive Safety Protection Mechanisms
①.Mechanical Protection:
Includes a torque limiter that automatically cuts off excess torque during sudden load increases (e.g., hard acceleration on rough roads), preventing gear damage.
②.Electrical-Hydraulic Protection:
Coordinates with United Electronics TCU to monitor real-time parameters (e.g., hydraulic pressure, oil temperature, gear position). If anomalies are detected (e.g., overpressure, sensor failure), it triggers a “limp home” mode—limiting the transmission to 3rd gear and reducing power output—to ensure driving safety and avoid catastrophic failures.
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