23012849 Spindle,SplitterPlanetaryPinio Allison spare parts

23012849 Spindle,SplitterPlanetaryPinio Allison spare parts

The Allison 23012849 transfer case planetary pinion shaft is precisely fitted to Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions, compatible with heavy-duty commercial vehicles, mining wide-body trucks, engineering dump trucks, and long-haul tractors from brands such as Mercedes-Benz, DAF, Peterbilt, and Volvo equipped with Allison transmissions. As the core support and transmission component of the transfer case planetary gear set, it directly links with the planetary pinion, planetary carrier, transfer gear, and transmission main shaft. It plays a crucial role in supporting the smooth rotation of the planetary pinion and transmitting transfer power, achieving power distribution and speed regulation, ensuring coordinated operation of the transfer mechanism and planetary gear set. It is particularly suitable for demanding operating conditions such as heavy loads, high-frequency transfer, and complex road conditions. With original factory design dimensions and zero tolerance for fit, it is the preferred original factory replacement part for repairing and replacing faulty transmission transfer case planetary systems.
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Core technical parameters

-Model: 23012849
-Product Name: Spindle, Splitter Planetary Pinio
Operating temperature: -40°C to +150°C (short-term peak 160°C)
-Product weight: 1.8 kg
– Compatible Systems: Allison 1000/2000/3000/4000 series heavy-duty automatic transmissions; compatible with the transfer case planetary gear systems of heavy-duty commercial vehicles, mining trucks, engineering vehicles, and municipal vehicles. It can precisely coordinate with Allison original transfer case planetary pinions, planetary carriers, transfer gears, and needle roller bearings to achieve power distribution and smooth transmission.
-Suitable operating conditions: Long-distance heavy-load high-speed driving, high and low gear shifting in mountainous areas, high-load shifting operations in mining areas, and frequent shifting in complex urban road conditions; It can work stably in harsh environments such as high temperature (transmission oil temperature 120°C), low temperature (-40°C), high speed, high torque, and vibration.

Product Advantages

1. Precise original factory fit, saving repair time: 100% matching Allison 23012849 original factory specifications, with zero error in size, mating surface accuracy, and positioning steps; can be replaced individually without disassembling the gearbox assembly, greatly reducing repair time and costs.
2. High-strength forging, torsional resistance and durability: The integral forging of chromium-molybdenum alloy steel with carburizing and quenching process results in a torsional strength of over 1000 N·m; it can withstand the high torque and high frequency rotational impact of the transmission for a long time, and its service life is more than 1.8 times that of ordinary gear shafts, reducing the frequency of replacement and downtime.
3. Precise fit and smooth transmission: The mating surfaces are precision ground, and the mating clearance is controlled within 0.01-0.03mm; it supports the rotation of the planetary pinion without jamming or offset, and the power transmission efficiency is up to 99%; it effectively reduces transfer case jerking, abnormal noise and power loss, and improves the stability of the transfer case system and the overall operating performance of the gearbox.

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