29557446 TorqueConverter Allison spare parts

29557446 TorqueConverter Allison spare parts

The Allison 29557446 TorqueConverter is a core original-grade transmission component exclusive to 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 core of the power connection between the transmission and the engine, its core function is to transmit power through the kinetic energy of hydraulic oil, achieving torque amplification (amplifying torque during start-up and heavy loads to improve power output), damping and shock absorption (absorbing engine power shocks and protecting transmission and engine components), and continuously variable transmission (achieving smooth start-up and avoiding shift shocks). It effectively avoids problems such as power transmission interruption and component wear. It is widely used in heavy-load, frequent start-stop scenarios such as long-distance freight, mining operations, urban public transportation, and construction projects. It has strong adaptability, high transmission efficiency, stability, and durability, making it the preferred replacement part for original factory maintenance.

Core technical parameters

-Model: 29557446
– Product Name: TorqueConverter
– Suitable operating conditions: Suitable for complex scenarios such as long-distance freight, mining operations, urban public transportation, and construction projects, involving heavy loads, frequent starts and stops, and low-speed heavy loads.
– Operating temperature: -40°C to +160°C
– Product dimensions: Fully matches Allison 29557446 original specifications, with precise dimensions, mounting interfaces, and connection holes.
– Product weight: 18kg
– Product Type: Original equipment manufacturer (OEM) hydraulic torque converter, single unit assembly, adopting an integrated sealed structure, integrating the three core components: pump impeller, turbine, and guide impeller.
– 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. It is suitable for power transmission scenarios of heavy-duty commercial vehicles, mining wide-body trucks, and construction vehicles, and can precisely connect with engines and transmissions to achieve efficient power transmission.
– Core materials: The pump impeller, turbine, and guide wheel are forged from high-strength alloy steel; the outer shell is made of thickened carbon steel; the internal hydraulic oil uses Allison’s original ATF fluid.

Product Advantages

1. Original factory compatibility, easy assembly: 100% compatible with Allison 29557446 original factory specifications, with precise correspondence in size, interface, and transmission parameters. It can directly replace the old hydraulic torque converter without modifying the power transmission structure or installation points, and its compatibility covers multiple scenarios such as commercial vehicles and construction machinery.
2. High-efficiency transmission and strong torque: The core components are forged from high-quality alloy steel and equipped with original hydraulic oil, achieving a transmission efficiency of up to 98%. The torque can be amplified by 2-3 times during start-up and heavy loads, effectively improving power output and easily handling complex working conditions such as climbing and heavy loads.
3. Durable and highly protective: High-strength alloy steel + thickened carbon steel shell, impact-resistant, wear-resistant, deformation-resistant, excellent sealing performance, and can withstand high-pressure hydraulic oil impact; buffer and shock absorption design effectively absorbs power impact, reduces wear of transmission components, has been verified under harsh working conditions, has a long service life, and can effectively extend the torque converter replacement cycle.

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