29553479 Nozzle Assembly Allison spare parts

29553479 Nozzle Assembly Allison spare parts

The Allison 29553479 nozzle assembly is a core component of the Allison transmission lubrication and cooling system. It is specifically designed for Allison 3000/4000 series and off-road transmissions and can be used in conjunction with the Allison 29558329 6-inch filter assembly, 29554735 retaining ring, 29552364 switch assembly, 29557411 gasket, 29544481 shaft assembly, and other components. It is a core component specifically designed for Allison transmission overhauls and routine maintenance, widely used in the lubrication and cooling parts of transmission systems in heavy trucks, construction machinery, oilfield equipment, and off-road vehicles. It performs multiple functions including precise oil delivery, atomized spraying, and component lubrication and cooling. It is a core component ensuring uniform heat dissipation of internal transmission components and reducing friction loss. Furthermore, it is a high-performance, cost-effective lubrication consumable for industrial equipment maintenance, widely recognized in the industry due to Allison’s superior manufacturing processes and reliability.

As the “precision delivery hub” of the transmission lubrication and cooling system, the Allison 29553479 nozzle assembly’s core function is to connect the transmission lubrication lines with core friction components, precisely delivering lubricating oil. Through atomized spraying, the oil evenly covers the surface of the components, achieving dual protection: firstly, lubrication protection, reducing frictional wear on gears, bearings, and other components, preventing component jamming and wear; secondly, cooling protection, removing heat generated by component operation, lowering the internal temperature of the transmission, and preventing oil deterioration and component damage due to overheating. Simultaneously, it ensures oil circulation and delivery, guaranteeing the normal operation of the lubrication and cooling system, further protecting the safety of core components inside the transmission, and indirectly reducing overall equipment maintenance costs.

Core technical parameters:

– Product Model: Allison 29553479
– Surface treatment: Rust and corrosion resistant, with excellent wear resistance, corrosion resistance, and aging resistance. It can effectively resist the corrosion of transmission fluid, acid and alkali media, and humid environments, protecting the nozzle body and extending its service life.
– Size parameters: Precisely conforms to Allison original specifications, with a standard nozzle diameter of 1.2mm, total length of 38mm, and M8 thread on the interface (please consult customer service for detailed dimensions). It is suitable for transmission lubrication line installation requirements, and the precise flow channel dimensions ensure smooth oil delivery.
– Rated performance: Operating temperature range -40℃~130℃, suitable for complex high and low temperature environments; rated operating pressure 0.3-1.2MPa, excellent high pressure resistance, no leakage; atomization angle 45°, uniform spray, stable flow rate (normal flow rate 8-12L/h), no clogging, no dripping, uniform oil coverage.
– Compatible Equipment: Allison 3000/4000 series and off-road series transmissions; transmission systems for various heavy-duty trucks, construction machinery, oilfield equipment, and off-road vehicles; also compatible with Terex and other related equipment transmission lubrication and cooling systems.

The Allison 29553479 nozzle assembly is specifically designed for the lubrication and cooling needs of Allison transmissions. Utilizing precision machining, high-quality composite materials, and a precise atomization design, it balances practicality, reliability, and cost-effectiveness. It perfectly replaces original nozzle assemblies and is compatible with various Allison lubrication and cooling components, completely resolving maintenance pain points such as poor compatibility, uneven atomization, easy clogging, and low pressure tolerance of general-purpose nozzles. Whether purchased in bulk for equipment overhauls, routine maintenance, or as a single unit replacement for emergencies, this product provides stable and reliable oil delivery and lubrication/cooling, ensuring long-term, safe operation of equipment.

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