1019147 Travel 3rd Planetary Carrier for Hitachi EX200-5

1019147 Travel 3rd Planetary Carrier

The 1019147 travel planetary carrier is a replacement component used inside the excavator final drive reduction system. It supports the planetary gears and helps transmit rotational force through the reduction stage of the travel gearbox.

During machine travel, the carrier works together with the planetary gear set to transfer torque while maintaining the correct position and alignment of the rotating components.

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

Function in the Final Drive Reduction System

The planetary carrier forms part of the mechanical reduction section inside the travel device. As rotational power passes through the planetary gear stages, the carrier supports the planet gears and transfers torque toward the final output of the travel system.

Because the carrier operates under repeated rotational load and high travel torque, wear around the gear support and carrier pin areas can affect gear alignment and overall gearbox performance.

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 final drive oil

• Visible wear around the planetary gear support areas

• Cracks or deformation on the carrier body

• Weak or unstable excavator travel performance

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

What to Check Before Replacement

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

Final drive oil should also be checked for metal contamination, as excessive metal particles may indicate wear in other parts of the planetary reduction system.

Replacing a damaged carrier without checking the surrounding gearbox components may result in premature wear of the repaired final drive.

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, 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 1019147 together with your excavator information to request availability and quotation.