29561675 CEC2 computer Allison spare parts

29561675 CEC2 computer Allison spare parts

The Allison 29561675 CEC2 ECU is the core original equipment electronic control unit (OEM) for Allison transmissions. It is precisely adapted to Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions, and is also compatible with commercial vehicles and construction machinery from brands such as Mercedes-Benz, DAF, and Peterbilt that use Allison transmissions. As the “brain” of the transmission’s electronic control system, its core function is to receive operating signals from transmission sensors, differential pressure switches, and other components, analyze and process them, and output precise control commands to regulate the shift actuators and hydraulic system. At the same time, it monitors transmission operating parameters in real time, records fault data, supports fault diagnosis, and effectively prevents faults such as shift disorder, power interruption, and system overload. It is widely used in heavy-duty scenarios such as long-distance freight, mining operations, urban public transportation, and construction projects. With its strong adaptability, precise control, and stable operation, it is the preferred replacement part for OEM maintenance and repair, perfectly meeting the electronic control requirements of heavy-duty transmissions.

Core technical parameters

-Model: 29561675
– Product dimensions: Fully matches the original CEC2 computer specifications, with precise and unbiased dimensions, mounting holes, and interface positions.
– Operating temperature: -40°C to +85°C
– Control performance: High control precision, shift logic response time ≤50ms
– Product weight: 2.2kg
– Compatible Systems: Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions, also compatible with commercial vehicles and construction machinery from brands such as Mercedes-Benz, DAF, and Peterbilt equipped with Allison transmissions. Adapted to heavy-duty vehicle electronic control scenarios, it can precisely link with transmission sensors, actuators, and hydraulic systems, and meets the relevant requirements of CEC electrical safety standards.
– Product Type: Gearbox Dedicated Control Computer (CEC2 Series), single unit assembly, including main unit, interface wiring harness, and mounting bracket, designed according to Allison original factory standards.

Product Advantages

1. Original factory fit, wide compatibility: 100% matched with the original Allison transmission specifications, with precise correspondence in configuration, interface, and control parameters. It can directly replace the old computer without modifying the electronic control circuit or installation structure. At the same time, it can be cross-substituted for the corresponding CEC2 computer of multiple brands equipped with Allison transmissions, covering multiple scenarios such as commercial vehicles and construction machinery.
2. Precise control, high efficiency and intelligence: Equipped with a high-performance industrial-grade processor and high-speed storage configuration, it has fast signal analysis speed and high control precision, and can accurately regulate the shift logic and hydraulic system; it monitors the gearbox operating status in real time, automatically identifies faults and records fault codes, which facilitates later maintenance and troubleshooting, improves equipment maintenance efficiency, and realizes intelligent control and protection.
3. Durable, stable and reliable: Made with industrial-grade materials and heat dissipation design, it is resistant to high and low temperatures, vibration, and electromagnetic interference, and can be adapted to heavy-load and high-frequency use scenarios such as mining and long-distance freight. It has been verified under heavy-load cyclic conditions, and is stable in operation. It is not prone to problems such as crashes, jams, and control failures. It has a long service life, which can effectively extend the maintenance cycle of the gearbox electronic control system and reduce equipment maintenance costs.

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