EC460 Travel Gearbox 2nd Planetary Carrier Spider With Sun Gear Assy For Excavator Parts SA8230-35550 SA8230-35760

This second-stage planetary carrier spider matched with sun gear assembly acts as the intermediate power transfer core housed within the travel reduction gearbox of EC460 crawler excavators. When the machine undertakes heavy excavation, continuous cross-country traveling on rugged terrain at mining quarries, land leveling and infrastructure construction projects, this assembly withstands cyclic torque output and frequent impact loads, ensuring balanced power distribution for the excavator’s walking system.

All production specifications strictly follow OEM dimensional standards and precision tolerance requirements. Gear tooth profiles, spline specifications and installation reference dimensions fully comply with cross-reference part numbers SA8230-35550 and SA8230-35760. Direct bolt-on installation is supported without extra cutting, grinding or welding processing. It greatly reduces on-site maintenance working hours and shortens equipment downtime brought by long waiting periods for authentic original spare parts.

1. Mutually Interchangeable PN Standards, Exclusive Fit For EC460

   SA8230-35550 and SA8230-35760 share unified assembly dimensions and can replace each other directly. This planetary carrier assembly is specially developed for the internal structure of EC460 travel gearbox and cannot be matched with other excavator models. Accurate replication of OEM geometric parameters avoids assembly clearance errors, abnormal walking vibration and accelerated gear wear after replacement.

2. Integrated Forging Design Suited For Round-The-Clock Heavy-Duty Operation

   Conventional low-grade planetary carrier assemblies easily suffer spider fracture and gear tooth damage during long-term operation on rocky job sites. Our product adopts one-piece precision forging technology combined with overall heat treatment, significantly boosting impact resistance. It maintains reliable service life under non-stop heavy digging and frequent traveling conditions.

3. Double Independent Pre-Delivery Inspection Eliminates Hidden Operational Risks

   Each finished assembly undergoes two separate testing workflows before leaving the factory. Comprehensive dimension calibration verifies all fitting tolerances; simulated travel fatigue testing replicates harsh quarry operating environments to check transmission stability. Defective workpieces are screened out in advance to avoid unexpected machine halt losses for repair workshops and mining contractors.

4. High-Cost-Performance Choice For Excavator Fleets & Maintenance Stores

   Genuine planetary drive spare parts carry high purchase costs and unstable supply cycles. This aftermarket assembly delivers equivalent load-bearing capacity and service life matching original components at factory direct pricing, helping machinery leasing enterprises and repair shops effectively control recurring maintenance expenditure of EC460 equipment.

5. Multiple Global Logistics Plans For Worldwide Partners

   All stocked goods can be dispatched within 3 working days after payment confirmation. Air freight options handle urgent breakdown orders for remote construction sites. Consolidated sea freight and full-container transport provide economical bulk delivery solutions for spare parts distributors covering Africa, Southeast Asia, Middle East and Latin American markets.

Our factory owns over 10 years of specialized R&D and mass production experience focused on excavator final drive planetary components. Travel gearbox spare parts serve as our mature core product series. We run a closed-loop production chain covering alloy steel forging, precision gear machining, integral heat treatment and finished product load simulation testing. Professional heavy-load test benches recreate severe quarry and foundation construction environments to continuously improve component shock resistance and long-term durability. Our planetary gear spare parts are exported to dozens of countries annually, maintaining stable long-term partnerships and consistent positive feedback from global heavy machinery spare parts suppliers.