6884846 Hub,Intermediate-AndHigh-Clutch Allison spare parts

6884846 Hub,Intermediate-AndHigh-Clutch Allison spare parts

The Allison 6884846 Hub, Intermediate-And High-Clutch, is specifically designed for Allison automatic transmissions used in heavy-duty commercial vehicles, engineering vehicles, and special vehicles. It is core-compatible with Allison 5000/6000/8000 series transmissions and is widely used in long-haul trucks, public buses, construction machinery, and other scenarios that rely on stable power transmission. It perfectly meets the core needs of repair shops, parts dealers, fleet maintenance, and engineering equipment maintenance, providing a superior solution for resolving clutch power transmission issues, gear wear, and shifting noise.
This product strictly adheres to Allison’s stringent production standards, inheriting the brand’s technological advantages in the field of heavy-duty automatic transmissions. It is made from high-strength alloy steel through a single forging process, significantly improving tensile strength and impact resistance compared to ordinary castings. It can easily withstand the power impact and torque transmission pressure under high-load conditions. The surface undergoes high-frequency quenching and anti-corrosion/rust-proofing treatment, effectively resisting corrosion from the transmission’s internal hydraulic oil and high-temperature wear, while also reducing tooth surface friction loss, significantly extending the service life of components, and lowering subsequent maintenance costs and downtime losses.

Core technical parameters:

– Product Model: Allison 6884846
– Product Name: Hub, Intermediate-And High-Clutch
– Compatible transmissions: Allison 5000/6000/8000 series automatic transmissions (compatible with 5-speed, 6-speed, and 7-speed models manufactured after 2005, covering models suitable for heavy commercial vehicles and engineering vehicles)
– Material specifications: High-strength alloy steel forging, base material tensile strength ≥420MPa, hardness HRC 35-40, tooth surface hardness ≥HRC 58
– Operating torque: Normal operating torque range 1800-2500 N·m, maximum withstand torque ≤3200 N·m
– Operating temperature: -40℃~160℃
– Core dimensions: Inner diameter of wheel hub Φ112mm, outer diameter Φ186mm, addendum circle diameter Φ178mm
– Tooth profile specifications: involute tooth profile, module 3.5, number of teeth 48, tooth surface accuracy grade 7.
– Surface treatment: High-frequency quenching + cathodic electrophoresis anti-corrosion treatment, achieving an IP67 corrosion resistance rating.
– Installation method: Direct replacement in place, no modification to the gearbox structure required.

Allison 6884846 intermediate and high-speed clutch hubs offer irreplaceable advantages in precision, durability, and adaptability. Their precise tooth machining ensures perfect meshing with the clutch friction plates and drive shaft, preventing power loss, shifting jerks, and abnormal noises caused by tooth wear and pitch deviations. This also reduces maintenance frequency and downtime, providing fleet maintenance, repair shops, and engineering equipment maintenance with a cost-effective and reliable spare part option, helping to improve operational efficiency.

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