29544957 StatorHousing,Retarder. Allison spare parts

29544957 StatorHousing,Retarder. Allison spare parts

The Allison 29544957 Stator Housing, Retarder is specifically designed for Allison automatic transmission retarding systems in heavy commercial vehicles, engineering vehicles, and special vehicles. It is primarily compatible with Allison 5000/6000 series transmissions and is widely used in various scenarios that rely on retarding braking to ensure driving safety, such as long-haul trucks, public buses, and construction machinery. It perfectly meets the core needs of repair shops, parts dealers, fleet maintenance, and engineering equipment maintenance, and is a high-quality solution for retarder stator housing deformation, sealing failure, hydraulic leakage, poor heat dissipation, and braking jerking.
This product strictly adheres to Allison’s stringent production standards, inheriting the brand’s technological advantages in the field of heavy-duty automatic transmissions. Allison, as the world’s largest manufacturer of fully automatic transmissions for large and medium-sized commercial vehicles, has its components widely used in over 80 countries worldwide, and its quality and reliability are widely recognized. The product is precision-cast from high-strength ductile iron, which significantly improves tensile strength, deformation resistance, pressure resistance, and heat dissipation compared to ordinary cast iron housings. It can easily withstand the high-pressure impacts, high-temperature loads, and vibrations during vehicle operation, adapting to the complex operating conditions of high-frequency braking in retarders. It provides a stable mounting and protective platform for the retarder stator, seals, and other internal precision components.

Core technical parameters:

– Product Model: Allison 29544957
– Product Name: Stator Housing, Retarder
– Compatible transmissions: Allison 5000/6000 series automatic transmissions (compatible with 5-speed and 6-speed models manufactured after 2005, covering models compatible with heavy commercial vehicles and engineering vehicles)
– Material specifications: High-strength ductile iron precision casting; tensile strength of the base material ≥420MPa; hardness HRC 32-36; elongation ≥5%.
– Working pressure: Normal operating pressure range 1.0-1.8MPa, maximum withstand pressure ≤2.2MPa, leak-proof seal.
– Operating temperature: -40℃~200℃
– Core dimensions: Outer diameter Φ260mm, inner diameter Φ200mm, height 110mm, mounting hole spacing 42mm, precisely fitting the original retarder stator and gearbox mounting positions.
– Machining accuracy: Inner wall roughness Ra≤0.8μm, flatness≤0.012mm, using precision machining processes.
– Surface treatment: Precision machining + cathodic electrophoresis anti-corrosion treatment, achieving an IP67 anti-corrosion rating.

Allison 29544957 retarder stator housings offer unparalleled advantages in precision, sealing, and durability. Their precise machining and high-strength ductile iron construction ensure a perfect fit with the retarder stator and seals, preventing hydraulic oil leakage, braking jerking, and reduced braking efficiency caused by housing deformation, poor sealing, and inadequate heat dissipation. This also prevents wear and malfunction of internal retarder components, reducing maintenance frequency and downtime. Allison provides fleet maintenance, repair shops, and engineering equipment maintenance with a cost-effective and reliable spare part option, helping to improve operational efficiency and driving safety.

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