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Hitachi Construction Machinery EX40 Travel Motor 4302402 EX40UR EXCAVATORS FINAL DRIVE ASSEMBLY

Place of Origin China
Brand Name IRON CAVALRY
Certification CE, ISO
Model Number Hitachi Construction Machinery EX40 Travel Motor 4302402 EX40UR Final Drive
Minimum Order Quantity 1 PCS
Price Negotiable price
Packaging Details Wooden case or as required
Delivery Time 5-8 Weekdays
Payment Terms Western Union,T/T
Supply Ability 300pcs /Month
Product Details
Category Final Drive / Travel Motor & Gearbox Assy Product Name Hitachi Construction Machinery 4302402
Brand IRON CAVALRY Applicable Machine Model: Hitachi Construction Machinery EX40 EX40UR
Applicable Industries: VOE14632579 EC480D Final Drive Condition: NEW/REBUILT
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Hitachi EX40 travel motor

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EX40UR final drive assembly

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excavator final drive with warranty

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Product Description
Hitachi Construction Machinery EX40 Travel Motor 4302402 EX40UR EXCAVATORS FINAL DRIVE ASSEMBLY
The Travel Motor / Final Drive Assembly (Part No. 4302402) for the Hitachi EX40 and EX40UR compact hydraulic excavators is a compact, high-torque travel propulsion unit engineered for utility trenching, landscaping, residential and municipal construction, demolition, and narrow-access earthworks in the 4-ton mini excavator class. This assembly integrates a compact axial piston travel motor with an integrated planetary reduction gearbox, delivering smooth, controllable tractive effort and reliable track performance under the varied, low-to-moderate load conditions typical of urban construction, site preparation, and utility installation work.
Product Specifications
Product NameHitachi Construction Machinery EX40 Travel Motor 4302402 EX40UR Final Drive
Part NumberHitachi Construction Machinery 4302402
Compatible MachineHitachi Construction Machinery EX40 EX40UR
BrandIRON CAVALRY
Place of OriginCHINA
ConditionOriginal & OEM
Warranty12 months
MOQ1 piece
Production Capacity1000 pieces per month
Standard or NonstandardStandard
Regional Application & Market Suitability
  • North America & Europe: Suited to residential and municipal construction, utility trenching, landscaping, and demolition in built-up areas, with compact housing and reliable sealing to cope with temperature swings, mixed soils, and high-frequency daily operation.
  • Southeast Asia & Oceania: Equipped with seals that resist ingress of damp soil, clay, and tropical mud common in urban utility work, backfilling, and small earthworks projects in high-humidity environments.
  • Middle East & Africa: Heat-resistant seals and corrosion-protected components guard against sand ingress, thermal stress, and airborne dust on narrow urban and rural job sites in arid and semi-arid conditions.
Key Features & Performance Advantages
  • Compact High-Torque Motor: The axial piston travel motor delivers controlled starting torque and smooth speed regulation, enabling precise inching and stable tracking on trenches, lawns, and uneven ground typical of compact excavator applications.
  • Integrated Planetary Reduction: The built-in planetary reduction stage multiplies motor torque through hardened gears and high-capacity bearings, distributing load evenly and prolonging service life between overhauls.
  • Complete Assembly Integration: Supplied as a complete travel motor / final drive unit, reducing installation time, minimizing on-site assembly errors, and returning the machine to service faster.
  • Robust Compact Structural Integrity: The compact cast housing features ribbed reinforcement to resist shock loading from travelling over curbs, broken ground, and spoil piles. Effective face and lip sealing protects against contamination in everyday digging and trenching conditions.
  • Precision OEM Replacement Fit: All mounting patterns, pilot diameters, spline connections, and hydraulic port locations match original Hitachi specifications, enabling straightforward installation with minimal machine downtime.
Expert Maintenance Guidance
Hydraulic System Care: Routinely inspect case drain lines for restrictions, kinks, or blockages. A restricted drain line can generate excessive back pressure, leading to motor rotary group failure or seal damage. Maintain hydraulic fluid cleanliness and replace return filters at prescribed intervals.
Gear Oil Management: Fill the planetary housing with the recommended extreme-pressure gear oil of the correct viscosity. Change the oil every 250-500 operating hours under normal conditions, and every 250 hours in severe applications such as trenching in abrasive soils or continuous use. Periodic oil analysis helps detect metallic particles as an early sign of gear or bearing wear.
Mounting Bolt Protocol: When reinstalling the travel motor / final drive, always fit new high-strength bolts meeting the specified grade. Apply a suitable thread locking compound to the threads and torque to factory specifications, preventing loosening from vibration and shock during travel and digging.
Pre-Operation Priming Procedure: Before initial startup or after unit replacement, fill the motor housing with clean hydraulic oil to purge trapped air. Run the machine at low idle for several minutes, cycling the tracks forward and reverse, to ensure full lubrication of the planetary components before applying working loads.
Manufacturing Facility
Guangzhou Tieqi Construction Machinery Co., Ltd. (IRON CAVALRY) is strategically located in Guangzhou's Huangpu District. With nearly 15 years of experience, we specialize in engineering machinery hydraulics and are committed to delivering practical solutions.
IRON CAVALRY modern industrial manufacturing facility exterior
Manufacturing Facility Exterior
IRON CAVALRY factory interior with advanced production line and machinery
Factory Production Line
IRON CAVALRY exhibition booth at international trade show with product displays
Trade Show Exhibition
IRON CAVALRY professional team members in industrial setting
Professional Team
Packaging & Delivery
For large items, we use sturdy plywood crates secured with metal fasteners. Products are cushioned with bubble wrap and secured with wooden braces, with special attention given to protecting vulnerable parts. External reinforcement includes high-strength PET plastic strapping and waterproof wrapping.
Example of secure product packaging with protective materials and reinforced crating
Secure Product Packaging Example
Why Choose IRON CAVALRY?
  • One-stop solution provider for all hydraulic component needs
  • High-quality products at competitive prices
  • Exceptional customer service and support
  • Large inventory, short delivery times, and long warranty periods
  • Professional expertise with accurate part number identification