EX55 ZX55 Hitachi Excavator Travel Reducer Sun Gear Shaft and Planetary Gear Parts

Sun gear shafts and planetary gears are mechanical transmission components used in compatible mini excavator travel reduction gearboxes. These components work within the planetary gear system to transmit torque and reduce rotational speed in the travel drive assembly.

This product listing covers travel reducer gear components for Hitachi EX55 and ZX55 mini excavators, as identified in the original product listing. Available component options may include sun gear shafts, planetary gears and other related reduction gearbox parts, depending on the selected item.

Please verify the original part number, gearbox model and component dimensions before ordering. Similar-looking gears may differ in tooth profile, shaft dimensions and installation specifications.

• Product Types: Sun Gear Shaft and Planetary Gear
• Machine Models: EX55 and ZX55, subject to compatibility verification
• Compatible Brand: Hitachi, subject to part number verification
• Application: Mini Excavator Travel Reduction Gearbox
• Product Category: Travel Motor and Final Drive Parts
• Replacement Use: Travel reducer maintenance and replacement of specified gear components

Travel reduction gearbox components are used in excavator travel drive systems. The planetary gear arrangement transmits power through the reduction mechanism to support the movement of the machine.

The correct replacement component depends on the travel motor or final drive assembly, original part number, gear dimensions and machine configuration. Compatibility should be checked before installation.

To help identify the correct replacement parts, please provide:

1. Excavator model and serial number.
2. Original OEM part number, if available.
3. Travel motor or final drive gearbox identification details.
4. Photos of the original sun gear shaft or planetary gear.
5. Gear dimensions and required quantity, if available.

Contact us with your excavator model, original part number and component photos to check compatibility, availability and pricing.

Please confirm the exact part specification before placing an order.