29566019 Sealing and Gasket Package Allison spare parts

29566019 Sealing and Gasket Package Allison spare parts

The 29566019 kit adopts a standardized configuration, covering various types of gaskets, including sealing rings, gaskets, flat gaskets, and combination gaskets. Specifications are precisely matched to the requirements of each sealing component in the Allison transmission, with materials adapted to specific needs. Seals are made of oil-resistant and high-temperature-resistant materials such as fluororubber and nitrile rubber, while gaskets are made of flexible graphite + 304 stainless steel composite material. Through precision machining, high-temperature curing, and sealing testing, it possesses both the high elasticity and strong sealing characteristics of seals and the pressure resistance, deformation resistance, and wear resistance of gaskets. It effectively resists the effects of internal hydraulic oil corrosion, high temperature and pressure, and high-frequency vibration, preventing leakage problems caused by seal aging and gasket damage. All accessories in the kit are perfectly matched to the original factory dimensions, with precise interfaces, requiring no additional adjustments for direct installation. It adapts to the installation requirements of each sealing component in the transmission, acting as a “comprehensive protection kit” for the transmission sealing system, providing all-round protection for transmission sealing performance. Compatible with multiple Allison heavy-duty transmissions, it offers wider compatibility and meets the core requirements of modern heavy equipment maintenance: “convenient, efficient, and comprehensive.”

Core technical parameters:

– Product Model: 29566019
– Material specifications: Seals (fluororubber/nitrile rubber, Shore hardness 70°±5°), gaskets (flexible graphite + 304 stainless steel composite material, stainless steel strip thickness 0.2mm, graphite layer thickness 0.5mm)
– Operating temperature: -40℃~280℃
– Sealing performance: Seal leakage rate ≤0.003%, gasket sealing test pressure ≥4.4MPa
– Kit Specifications: The complete kit includes 12 sealing rings (including O-rings, lip rings, etc.), 8 gaskets, 15 flat gaskets, and 5 combination gaskets, precisely matching the dimensions of various sealing components in the Allison gearbox, with a tolerance of ≤ ±0.03mm.
– Mechanical properties: Seal tensile strength ≥15MPa, elongation at break ≥300%, gasket compressive strength ≥20MPa, shear strength ≥3.8MPa.
– Compatible Models/Scenarios: Core compatibility with Allison 1000/2000 series and 3000/4000 series heavy-duty automatic transmissions, widely used in heavy-duty trucks, construction machinery, mining equipment, public transportation and other heavy-duty equipment. It is compatible with various sealing parts such as transmission valve bodies, end covers, oil pans, and pipeline interfaces, and can be directly used for transmission overhauls and routine maintenance, meeting the needs of complete replacement of the sealing system, and is suitable for heavy-duty and complex operating scenarios.
– Service life: Under normal heavy-load conditions, the service life of seals is ≥8000 hours, and the service life of gaskets is ≥10000 hours.

The 29566019 seal and gasket kit, with its precise original factory fit, convenient completeness, and excellent sealing performance, has become a core component for Allison heavy-duty gearbox overhauls and maintenance. We strictly control the production process; each component in the kit undergoes dimensional accuracy testing, sealing performance testing, oil and corrosion resistance testing, and mechanical performance testing to ensure compliance with original factory standards, GB/T 5763-2018, GB/T 19066.3-2009 standards, and industrial usage requirements. We also provide comprehensive after-sales support and standardized packaging to solve various problems customers encounter during procurement and use, simplify maintenance processes, and contribute to the reliable and efficient operation of heavy-duty equipment gearboxes.

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