2034836 Travel 2nd Planetary Carrier for Hitachi EX200-5

2034836 Travel 2nd Planetary Carrier

The 2034836 travel planetary carrier is a replacement component used in the second reduction stage of an excavator final drive and travel gearbox. It supports the planetary gears and helps transmit torque through the reduction system during machine travel.

As rotational force passes through the planetary gear stages, the carrier maintains the correct position of the planet gears while transferring power toward the final output of the travel system.

Accurate machining, stable gear support and correct alignment are important for smooth power transmission and reliable final drive operation.

Function in the Travel Reduction Gearbox

The second planetary carrier works within the mechanical reduction section of the excavator travel device. It receives rotational force from the preceding reduction stage and transfers torque through the planetary gear set.

During operation, the carrier is exposed to repeated torque loads, vibration and gear reaction forces. Wear around the gear support areas or carrier body can affect alignment and cause abnormal operation inside the final drive.

The carrier should be inspected when symptoms such as the following are found:

• Abnormal knocking or grinding noise from the final drive

• Excessive backlash inside the travel gearbox

• Metal particles in the final drive oil

• Visible wear around the planetary gear support areas

• Cracks or deformation on the carrier body

• Weak or unstable travel performance

If carrier damage is found, the surrounding planetary reduction components should also be inspected before the travel gearbox is reassembled.

What to Check Before Replacement

Before installing a replacement carrier, inspect the original component for cracks, deformation, worn support areas and abnormal movement between the carrier and planetary gears.

The final drive oil should also be checked for excessive metal contamination, which may indicate wear elsewhere in the planetary reduction system.

Replacing a damaged carrier without checking the surrounding gearbox components may result in premature wear or repeated final drive failure.

Ordering and Fitment Verification

To help confirm the correct planetary carrier before ordering, please provide one or more of the following:

• Excavator brand and model

• Machine serial number

• Original part information

• Final drive or travel device information

• Clear photos of the original carrier

• Carrier diameter, overall height and gear dimensions when available

Comparing the original component and confirming the travel device configuration before ordering helps reduce the risk of selecting an incorrect replacement carrier.

Why Source Final Drive Parts from Topvelsun

Topvelsun supplies replacement excavator final drive, travel motor and planetary reduction components for Hitachi and other major construction equipment brands.

We can assist with machine application verification and component matching to help customers select the correct replacement part for final drive repair and maintenance.

Send us part number 2034836 together with your excavator information to request availability and quotation.