29524133 Planetary Carrier Assembly Allison spare parts

29524133 Planetary Carrier Assembly Allison spare parts

The 29524133 planetary carrier assembly is an OE-grade core component specifically developed for the planetary transmission mechanism of Allison heavy-duty automatic transmissions. Manufactured strictly according to original factory drawings and the GB/T 3077-2015 alloy structural steel standard and GB/T 10095.1-2008 gear precision standard, it has passed ISO 9001 quality certification and undergone specialized dynamic balancing and fatigue strength testing. Balancing load-bearing capacity, transmission stability, and adaptability, it is widely used in Allison 3000/4000 series and 3414RHS transmissions in heavy-duty equipment such as heavy trucks, construction machinery, and mining equipment. Its core functions include power distribution, speed regulation, and torque transmission, adapting to the high-frequency transmission requirements under heavy-duty conditions. It precisely addresses industry pain points such as planetary carrier deformation, gear wear, bearing jamming, transmission noise, and uneven power distribution, extending the overall service life of the transmission, reducing secondary maintenance costs, and ensuring the smoothness and efficiency of transmission transmission, thus meeting the core needs of efficient operation and maintenance of heavy equipment.

Core technical parameters:

– Product Model: 29524133
– Material specifications: Planetary carrier body (40CrNiMoA high-strength alloy steel, tensile strength ≥980MPa), planetary gears (20CrMnTi alloy structural steel, carburized and quenched), needle roller bearings (precision needle rollers + cage structure), thrust washers (copper-based alloy)
– Operating temperature: -40℃~220℃
– Gear parameters: Planetary gear module 4.5, number of teeth 18, addendum circle diameter 85mm, dedendum circle diameter 74mm, gear precision grade 6, meshing clearance 0.15~0.25mm
– Structural parameters: Planetary carrier outer diameter 280mm × length 160mm, number of planetary gears 6 (evenly distributed), locating pin accuracy ≤ ±0.02mm, needle roller bearing inner diameter 25mm × outer diameter 35mm × length 30mm
– Load-bearing capacity: Maximum load torque ≥3200Nm, impact strength ≥25J/cm².
– Compatible Models/Scenarios: Core compatibility with Allison 3000/4000 series, 3414RHS and other heavy-duty automatic transmissions, widely used in heavy-duty trucks, construction machinery, mining equipment, public transportation and other heavy-duty equipment, undertaking the functions of power distribution, speed regulation and torque transmission. It can directly replace the original corresponding model planetary carrier assembly, meet the maintenance needs of transmission overhaul and transmission system replacement, and is suitable for complex working scenarios of heavy load and continuous operation.
– Service life: Under normal heavy-load conditions, the service life can reach more than 20,000 hours, and the gear cycle life is ≥500,000 times.

The 29524133 planetary carrier assembly, with its precise original factory fit, excellent load-bearing and transmission performance, and stable operation, has become the core preferred component for the repair and overhaul of planetary transmission mechanisms in Allison heavy-duty gearboxes. We strictly control the production process; each product undergoes dimensional accuracy testing, gear precision calibration, dynamic balancing testing, fatigue strength testing, and sealing performance testing to ensure compliance with original factory standards, GB/T 3077-2015, GB/T 10095.1-2008 standards, and industrial usage requirements. We also provide comprehensive after-sales support and standardized packaging for bulk purchases, resolving various issues customers encounter during procurement and use, and contributing to the reliable maintenance and efficient operation of heavy-duty equipment gearboxes.

Get a personalized quote now