6775706 carrier-planetary,l Allison spare parts

6775706 carrier-planetary,l Allison spare parts

The 6775706 carrier-planetary, low-speed gear has the core advantages of high load-bearing capacity, precise transmission, wear resistance and impact resistance, and stable operation. It is widely used in heavy trucks, construction machinery, mining machinery, well workover rigs, oilfield equipment and other fields. It is the core component that supports planetary gears, transmits low-speed high torque, and ensures stable operation of the gearbox at low speeds.
The 6775706 carrier-planetary, low-profile planetary carrier, built upon Allison’s stringent production standards and precision machining processes, continues the brand’s consistent high-quality DNA. It integrates core components such as the planetary carrier body, planetary shafts, needle roller bearings, and limit shims, addressing the pain points of ordinary planetary carriers, such as insufficient load-bearing capacity, easy wear, low precision, and easy deformation. This makes it the preferred part for the repair, overhaul, and remanufacturing of Allison gearbox planetary transmission systems within the industry. This product is integrally forged from high-strength alloy steel. The planetary carrier body undergoes multiple precision machining processes including tempering, quenching, and precision grinding. It is paired with high-precision planetary shafts and wear-resistant needle roller bearings, and undergoes rigorous testing for dimensional accuracy, dynamic balance, load-bearing capacity, wear resistance, and fatigue life, significantly improving structural strength, transmission stability, and service life. Its core function is to serve as a planetary gear mounting support mechanism, enabling low-speed, high-torque transmission and power distribution. It can effectively withstand extreme working conditions such as heavy-load start-up, hill climbing, and impact loads, and adapt to high and low temperatures, high dust, strong vibration, and continuous operation environments. It reduces transmission noise, overheating, slippage, premature failure, and other faults, thereby reducing downtime and replacement frequency and saving users maintenance costs.

Core technical parameters:

Product Model: 6775706
Product Name: Carrier-Plantary, Low (Low-Speed ​​Planetary Carrier Assembly)
Compatible models: Allison series heavy-duty automatic transmission low-speed planetary gear sets, suitable for heavy trucks, buses, construction equipment, mining machinery, well workover rigs, etc.
Material: The main body is made of high-strength alloy structural steel, the planetary shaft is made of wear-resistant alloy steel, and the bearings are high-grade needle roller bearings.
Manufacturing process: integral forging, precision machining, heat treatment hardening, fine grinding and polishing
Dimensional accuracy: Strictly adheres to OEM standards, coaxiality ≤0.02mm, and mounting hole positions are precisely matched.
Surface hardness: HRC 58–62, pressure resistant, wear resistant, and not easily deformed.
Load-bearing capacity: capable of handling high torque at low speeds and with strong impact resistance.
Operating temperature: -40℃～120℃
Lubrication compatibility: Transmission fluid lubrication, anti-oil corrosion, anti-wear
Installation method: Directly replace the original part, bolt fixation, precise alignment, no secondary processing required.
Included components: planetary carrier body, planetary shafts, needle roller bearings, limit washers, locking assembly (complete assembly)
Applicable scenarios: Transmission overhaul, planetary mechanism repair, assembly remanufacturing, fault replacement

The 6775706 carrier-planetary, low-speed part is manufactured strictly according to Allison’s original equipment manufacturer (OEM) specifications. Each product undergoes dimensional inspection, dynamic balancing testing, load-bearing testing, and abrasion resistance testing to ensure performance, precision, and lifespan are consistent with OEM parts, achieving seamless replacement and stable installation. With its high strength, high reliability, and high cost-effectiveness, this product meets the needs of repair shops, parts suppliers, exporters, and fleet maintenance. It is widely used in logistics, engineering construction, mining, and petroleum equipment industries, and is the preferred replacement part for the maintenance of Allison’s low-speed planetary transmission systems. It conforms to international industry standards, is compatible with cross-border e-commerce and the global aftermarket, and helps equipment operate continuously, stably, efficiently, and reliably.

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