29538506 Turbo Assembly Allison spare parts

29538506 Turbo Assembly Allison spare parts

The Allison 29538506 turbocharger assembly is designed specifically for Allison 3000/4000 series and off-road series transmissions. It is widely used in the hydraulic torque converter of transmission systems in heavy-duty trucks, construction machinery, oilfield equipment, and off-road vehicles. It plays a key role in the flexible transmission of power, torque amplification, and vibration damping. It is suitable for complex operating conditions such as heavy loads, high-frequency start-stop, and high and low temperature switching. It is a core component to ensure smooth power delivery of the transmission, reduce transmission shock, and reduce the failure rate. It is also a cost-effective choice of dedicated transmission consumables for the maintenance of industrial equipment.
As the “core hub for power connection” in the transmission’s hydraulic torque converter system, the Allison 29538506 turbine assembly plays a crucial role in working in conjunction with the pump impeller and guide impeller within the torque converter. Through the fluid dynamics of hydraulic oil, it achieves flexible power transmission. During start-up, it amplifies torque, mitigates power shocks, and protects the engine and transmission’s core components. During driving, it automatically adjusts power transmission efficiency based on vehicle load and speed changes, achieving a smooth, continuously variable transmission (CVT) experience and reducing shift shocks. Simultaneously, it buffers vibrations, absorbs power shocks, reduces vibration and noise during operation, and improves the overall working environment. Furthermore, it assists in heat dissipation by carrying away the high temperatures generated by the turbine’s operation through hydraulic oil circulation, maintaining a stable temperature for the hydraulic torque converter system and preventing component failure due to overheating.

Core technical parameters:

– Product Model: Allison 29538506
– Material Specifications: Nickel-based heat-resistant alloy steel, precision cast; conforms to ISO hydraulic transmission component production standards and GB/T 3077-2015 specifications, meets Allison original hydraulic transmission requirements, aligns with high-end material selection standards for turbine assemblies, and is manufactured using advanced CNC machining technology.
– Surface treatment: Carburizing and quenching + fine grinding and polishing + rust and corrosion prevention treatment, hardness can reach HRC 58-62, surface roughness Ra≤0.2μm, excellent high temperature resistance, wear resistance, corrosion resistance, and aging resistance, low coefficient of thermal expansion, dimensional stability at high temperatures, and can work stably under high temperature conditions for a long time.
– Dimensions: Precisely conforms to Allison original specifications. Standard turbine diameter is 130-160mm, blade count is 18-22, and total length is 100-130mm (detailed dimensions can be obtained from customer service). Impeller clearance is 0.08-0.15mm, axial runout is ≤0.12mm, suitable for transmission torque converter installation requirements, with a precision level of P6 and dimensional tolerances strictly conforming to original factory standards.
– Rated performance: Operating temperature range -40℃~200℃, suitable for complex high and low temperature environments, excellent high temperature resistance; rated torque amplification ratio 1.8-2.5, power transmission efficiency ≥94%; smooth operation without shaking, vibration and noise ≤55dB; excellent sealing performance, sealing pressure ≥1.8MPa, preventing leakage; impeller radial runout ≤0.05mm

Allison 29538506 turbocharger assembly focuses on the hydraulic power connection needs of Allison transmissions. Relying on precision CNC machining technology, high-quality nickel-based heat-resistant alloy steel and precise clearance control technology [3][6][9], it takes into account practicality, reliability and cost-effectiveness. It integrates the core advantages of efficient power transmission, high temperature resistance and wear resistance, and excellent sealing. It is suitable for the complex heavy-load working conditions of heavy equipment and provides a smooth and flexible power connection guarantee for the transmission [1][9]. It can perfectly replace the original turbocharger assembly and can also be adapted to the hydraulic torque converter parts of many Allison transmissions. It completely solves the maintenance pain points of general turbocharger assemblies such as poor compatibility, easy wear, insufficient high temperature resistance, power transmission jamming and poor sealing. Whether it is purchased in bulk for equipment overhaul, routine maintenance or single unit replacement for emergency, this product can provide a stable and reliable power transmission connection guarantee, helping the equipment to operate safely and efficiently.

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