Products

RITO 170402-00021C Travel Gearbox Assembly DX300-9 17040200021C Excavator Hydraulic Heavy Duty Part Travel Reducer Planetary Gearbox

Machines working long shifts in mining and construction depend on a stable hydraulic drive to maintain productivity. Sustained load and contaminated oil gradually damage critical contact surfaces, producing weak force, drifting motion, abnormal noise or overheating. The 170402-00021C Doosan Excavator Travel Motor Assembly fits Doosan DX300-9 excavators, providing reliable torque transmission and smooth operation that keeps your fleet moving.
  • Item NO.:

    170402-00021C
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details

Choosing the correct hydraulic component and confirming system compatibility are essential for efficient excavator maintenance. The 170402-00021C Doosan Excavator Travel Motor Assembly is a dependable replacement for Doosan DX300-9 machines, supporting repair workshops, mining service providers and parts distributors with stable power transmission and consistent working performance. RITO supplies professional hydraulic parts through accurate part verification, pre-shipment inspection and stable B2B supply.


170402-00021C Travel Device

Product Specifications
Part Number170402-00021C
Part NameDoosan Excavator Travel Motor Assembly
Compatible BrandDoosan
Applicable ModelsDX300-9 Excavator
ApplicationExcavator travel hydraulic drive system
MaterialHigh-strength metal housing, precision hydraulic components, and hardened gear components
Product Colorblack/Original equipment style color
Working TemperatureDesigned for standard excavator hydraulic operating conditions
Key FunctionConverts hydraulic energy into mechanical rotation, providing driving torque for excavator track travel operation
Condition100% New, Aftermarket / OEM Quality
PackagingWooden Case/Reinforced Carton/Neutral Packing / Customized Box

Key Features & Advantages


High Torque Travel Transmission

Delivers strong and stable driving force through the reduction gear system, keeping crawler movement smooth for Doosan DX300-9 excavators.

Precision Reduction Gear Structure

Uses hardened planetary reduction components that support smooth rotation and efficient torque multiplication under heavy-duty travel conditions.

Doosan Travel System Compatibility

Applied to Doosan DX300-9 travel systems, with reference 170402-00021C for fast and accurate replacement identification.

Reliable Heavy Equipment Solution

A practical replacement option for repair providers and distributors that need dependable final drive and travel motor components.



FAQ

Q: What are the common symptoms of a failing 170402-00021C travel drive?
A: Typical warning signs include weak or uneven travel force, slow crawler movement, the machine drifting to one side while travelling, abnormal noise from the travel drive, and hydraulic oil overheating during long travel cycles.

 

Q: What should be checked before installing the 170402-00021C?
A: Confirm the original part number, machine model and travel system configuration, inspect the mounting surface and bolt-hole alignment, verify hydraulic oil cleanliness, and flush the travel circuit to remove debris left by the previous failure.

 

Q: Is this 170402-00021C a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed factory and supplier to major Chinese excavator OEMs and Fortune 500 companies.

 

Q: How to confirm the 170402-00021C fits my excavator model?
A: Cross-check your existing part number against 170402-00021C. This assembly fits Doosan DX300-9 excavators. Contact our technical team with your serial number for compatibility confirmation.

 

Q: What quality options are available?
A: We provide original, OEM and high-quality aftermarket versions with stable supply capability.

 

Q:Why Choose RITO?
A: Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Related Products

420-00342B remote control valve LH
RITO Excavator Control Valve LH 420-00342B EX200 ZX200 ZX210 Hydraulic Pilot Valve Joystick Assembly for Excavator

This RITO 420-00342B Hydraulic Pilot Control Valve (LH) is a key control component for Hitachi EX200, ZX200, and ZX210 excavators, designed to transmit precise pilot pressure signals from the joystick to the main control valve. It ensures smooth operation, accurate response, and stable control of the arm, bucket, and travel functions in construction environments.  

View More
420-00343B remote control valve RH
RITO Excavator Control Valve RH 420-00343B EX200 ZX200 ZX210 Hydraulic Pilot Valve Joystick Assembly for Construction Machinery

This RITO 420-00343B Hydraulic Pilot Control Valve (RH) is a key control component for Hitachi EX200, ZX200, and ZX210 excavators, designed to transmit precise pilot pressure signals from the right-hand joystick to the main control valve. It ensures smooth operation, accurate response, and stable control of the arm, bucket, and travel functions in construction environments.  

View More
130425-00010 Swing Reduction Sun Gear
RITO Swing Reduction Sun Gear No.2 130425-00010 Swing Reduction Gear Sun Gear for Excavator

The RITO Swing Reduction Sun Gear No.2 130425-00010 is an essential component designed for excavators, particularly in the swing reduction system. This high-performance sun gear plays a critical role in ensuring the smooth operation of the excavator's swing mechanism, providing efficient power distribution to the swing motor. Ideal for wholesale distributors, dealers, and mining companies, the 130425-00010 guarantees long-lasting durability and reliable performance under heavy-duty conditions. With its robust design, it minimizes downtime and maintenance costs, ultimately increasing the productivity of the machinery. Whether for routine replacements or high-performance upgrades, this swing reduction gear sun gear ensures excellent operational efficiency in challenging environments.

View More
100502-00039 Planet Carrier
RITO Excavator Swing Carrier Assy 1st Sun Gear 100502-00039 Planet Carrier for Excavator

The RITO Excavator Swing Carrier Assy 1st Sun Gear 100502-00039 is a crucial component designed for excavator swing systems, offering high efficiency and durability in heavy-duty operations. This planet carrier assembly plays a key role in the swing reduction system, ensuring smooth torque distribution and precise control of the excavator's swing motion. Whether for routine maintenance or heavy-duty replacement, the 100502-00039 provides a cost-effective solution for maintaining excavator functionality. Wholesale distributors, dealers, and mining companies can rely on this robust assembly to keep their machinery running smoothly, reducing downtime and enhancing productivity in demanding industrial applications.

View More
100502-00037 Swing Carrier Assy
RITO Swing Reduction 1st Planet Gear Assy 100502-00037 Swing 2nd Carrier Assy Final Drive Part

The RITO Swing Reduction 1st Planet Gear Assy 100502-00037 is an essential component for excavator swing reduction systems, designed to enhance the performance of the final drive system. This 1st planet gear assembly and swing 2nd carrier assembly work together to efficiently transfer torque, ensuring smooth and reliable swing operations under demanding conditions. The 100502-00037 is crucial for minimizing downtime and improving the overall operational efficiency of heavy machinery, making it an ideal solution for wholesalers, dealers, and mining companies. It is built to withstand high torque and pressure, offering superior durability and performance even in harsh working environments.

View More
2404-1065 Pinion Gear
RITO Swing Pinion Gear 2404-1065 Pinion Gear 14 Teeth for Doosan Solar 340LCV Excavator

Targeting wholesalers, agents and mining operators, this 2404-1065 14-tooth swing pinion gear is a critical drive part for Doosan Solar 340LCV excavators. It solves B2B pain points like short service life, poor matching and frequent breakdowns. Superior to ordinary gears, it delivers high hardness, wear resistance and precise transmission to cut mining operation downtime and maintenance costs.

View More
120501-01078 Arm Cylinder Head Pin
RITO Cylinder Head Pin 120501-01081 for Doosan DX300LC Excavator Boom Arm Cylinder

Mine/construction fleets face costly downtime from worn cylinder pins; generic parts fail fast, delaying projects and inflating costs for wholesalers/agents. Attention: RITO Cylinder Head Pin 120501-01081 fits Doosan DX300LC boom/arm cylinders. Solution: Precision-machined, high-grade steel reduces wear; OEM/OEM/aftermarket options stabilize supply, cut downtime and inventory risks.

View More
130422-00095A Sun Gear
RITO Swing Reduction Gear Ring 130422-00095A 130425-00010 100502-00039 Sun Gear for Excavator Swing Drive

130422-00095A / 130425-00010 / 100502-00039 solve downtime nightmares: mining & contractor fleets see 40% longer swing drive life vs low-grade alloys. Precision forged teeth reduce shock load failures, cut unplanned service calls. Stock ready for urgent rebuilds.

View More
Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Leave A Message

Leave A Message
If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

Home

Products

whatsApp

contact