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Doosan Excavator Final Drive Assembly 170401-00014A for DX340

Place of Origin China
Brand Name LIRACE/Doosan
Model Number DX340
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
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Basic Parameters & Introduction
Engineered as a premium OEM replacement for the Doosan excavator final drive assembly (Part Number: 170401-00014A / 170401-00014), this heavy-duty travel device is specifically designed for 30 to 34-ton class machines, including the Doosan DX300LC, DX340LC, DX350LC, and Solar 300LC-V / 340LC-V series. Weighing approximately 680 kg (1,499 lbs) with robust overall dimensions of roughly 850 x 850 x 880 mm, this final drive assembly delivers exceptional traction and high-torque propulsion for severe mining and large-scale earthmoving applications. Manufactured with precision-machined planetary gear sets, heavy-duty tapered roller bearings, and premium duo-cone floating face seals, it guarantees maximum structural integrity and leak-free performance. This direct-fit travel motor ensures seamless installation and optimal hydraulic compatibility, helping fleet owners restore original equipment productivity, minimize costly downtime, and significantly extend undercarriage service life.
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Maintenance Tips
Proper maintenance of the Doosan DX340 excavator final drive assembly (Part No. 170401-00014A) is essential for maximizing travel motor longevity and undercarriage performance. Check the planetary hub gear oil level weekly and replace the lubricant every 1,000 operating hours using high-quality SAE 80W-90 API GL-5 gear oil. During routine service, thoroughly wash the final drive housing to remove abrasive debris that can severely damage the critical duo-cone floating face seals. Carefully inspect all hydraulic connections, O-rings, and seal surfaces for leakage, replacing worn components immediately to prevent internal contamination. Furthermore, verify the torque of all travel motor mounting bolts to factory specifications to maintain structural integrity. Following this comprehensive Doosan DX340 final drive maintenance guide guarantees smooth propulsion, optimal hydraulic efficiency, and significantly reduced downtime for your heavy-duty excavator.
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Installation Tips
Follow this standardized installation guide for Doosan 170401-00014A final drive travel motor assembly, an OEM heavy-duty planetary travel reducer exclusively matched with Doosan DX340 hydraulic excavators, to ensure powerful stable traction and extend component service life. Before mounting, fully release the track frame’s internal hydraulic pressure, thoroughly polish and clean the mounting flange surface, and inspect the final drive for transport scratches, gear damage and defective sealing faces; all gaskets and oil seals must be replaced with brand-new original spare parts to eliminate oil leakage risks. Align the reducer positioning pins accurately with mounting holes, then fasten all flange bolts gradually in a diagonal crisscross pattern to factory torque values to avoid housing deformation. After assembly, fill the unit with OEM-specified API GL-5 ISO VG 320 gear oil and run a 20-minute low-speed no-load travel test. Never strike the output sprocket or gearbox shell directly, and recheck oil level and gear backlash after the first 50 operating hours.
Brand CHINA Brand Name LIRACE/Doosan
Model DX340 Product Name Final Drive Assembly
Part Number 170401-00014A ApplicableBrand Doosan
Warranty Period 6-12 months Condition NEW
Standard or Non-standard Standard Type Guarantee We will inspect the products and send detailed pictures to the buyer for confirmation.
Applicable Industries Mechanical Repair Shops, Retail, Construction, Energy, Mining Shipping Method Sea freight, Air freight, DHL/FEDEX/TNT/EMS
PRODUCTS

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In November 2024, the elite team of Guangzhou Herui (XINYA) Construction Machinery Co., Ltd. made a vibrant appearance at Bauma CHINA 2024 (the 12th International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles) held in Shanghai, capturing precious group photos at the fair’s iconic location (see attached photo). As a leading supplier focused on high-quality excavator components, particularly in the hydraulic transmission field, the company fully showcased its core products: Excavator Hydraulic Pumps, Swing Motors, and Travel Motors, alongside a comprehensive range of quality accessories. At the exhibition, the company team engaged proactively in deep exchanges with global business partners, answering technical inquiries and sharing industry solutions. This appearance not only showcased the company’s professional expertise and brand image in the hydraulic market but also successfully consolidated and expanded its domestic and international market channels. Moving forward, Guangzhou Xinya (Herui) will continue to uphold the philosophy of “Quality First, Service Best,” providing superior hydraulic solutions to customers worldwide.
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Herui (XINYA) Machinery Participated in bauma CHINA 2024 to Expand Global Excavator Parts Business

In November 2024,Herui (XINYA) Machinery participated in bauma CHINA 2024, one of the world’s leading trade fairs for construction machinery, held at the Shanghai New International Expo Centre (SNIEC). As a professional excavator parts supplier from China,Herui (XINYA) Machinery showcased a wide range of high-quality excavator spare parts, including hydraulic pumps, travel motors, swing drives, gearbox assemblies, and engine parts. Our products are widely used for Caterpillar, Komatsu, Hitachi, Volvo, Hyundai, and other major excavator brands. During the exhibition, our team welcomed customers and business partners from Europe, Russia, the Middle East, and Southeast Asia. We had productive discussions on product quality, aftermarket support, fast delivery, and long-term cooperation opportunities. bauma CHINA 2024 provided an excellent platform for Herui (XINYA) Machinery to strengthen global partnerships and demonstrate our reliable supply capabilities in the construction machinery aftermarket industry. Herui (XINYA) Machinery remains committed to providing competitive prices, professional service, and reliable excavator parts solutions to customers worldwide.
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For Herui (XINYA) Machinery, CTT Expo 2025 was more than a trade show. It was an important opportunity to meet customers face to face, understand the real needs of the Russian construction machinery market, and build stronger business relationships. During the exhibition, our team communicated with customers from Russia and surrounding markets about excavator maintenance, spare parts replacement, delivery stability and long-term supply cooperation. Many customers showed strong interest in our excavator spare parts, including hydraulic pumps, filters, engine parts, seal kits, final drives, travel motors and swing motors. As a China-based excavator parts supplier, Herui (XINYA) Machinery understands that overseas customers need more than products. They need reliable quality, accurate part matching, fast response and a supplier they can trust. The meeting at CTT Expo 2025 helped us better understand local market demand and customer expectations. Herui (XINYA) Machinery will continue to support global dealers, repair workshops and construction equipment owners with dependable excavator parts solutions and professional aftermarket service.
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Amid global infrastructure recovery and rising key mineral demand, Q1 2026 global excavator exports rose 36.1% YoY, accounting for 46% of total sales. Authoritative data shows March exports increased 32% YoY, driving 41.3% YoY growth in core accessory demand. Hydraulic pumps, swing components, and travel components accounted for 38%, 29%, and 22% respectively. Regional demand differs significantly: African excavator exports rose 77% YoY, with 58% growth in core accessories driven by mineral projects. Oceania exports grew 50.6% (focusing on infrastructure), while 65% of European purchases are high-end durable accessories. MEA region’s CAGR exceeds 9%, with 72% demand for high-temperature and dust-proof hydraulic and travel components. We focus on the global construction machinery accessory market, specializing in hydraulic pumps, swing and travel components. Our products fit mainstream excavator models, support customization, and offer factory-direct supply with cost-effectiveness and professional after-sales/customs services for global buyers.
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What We Do

Services we Offer

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What if there are quality problems with the purchased products?

Please rest assured completely. We implement strict quality control throughout the whole production process. From raw material incoming inspection to finished product delivery, all items undergo multiple rounds of rigorous technical inspection and performance testing, to fully ensure every delivered product meets 100% qualified standards. All unqualified products detected during inspection will be disposed of by centralized destruction, to firmly prevent defective goods from entering the market. Meanwhile, we provide an extended warranty period of 6 to 12 months for all products. Within the warranty period, if any non-artificial quality failure occurs, please contact us promptly. Our professional technical team will respond at the earliest time and offer targeted solutions based on actual conditions. In addition, we deliver all-round technical support to safeguard your after-sales operation. Always taking customer satisfaction as the core principle, we are committed to establishing long-term and stable cooperative partnerships with global clients.
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What happens if the delivered item is unsuitable for my needs?

Please rest assured. To ensure that the products you receive fully meet your needs, we will conduct multiple rounds of demand confirmation with you before shipment, fundamentally avoiding the problem of wrong or missing delivery. To further ensure accuracy, we will first conduct precise query and verification through the product part number you provide to ensure that the product model and specifications are completely matched. If you do not have an accurate part number temporarily, we will arrange professional technicians to check and confirm one by one according to the clear product pictures and corresponding construction machinery models you provide, and communicate and synchronize with you throughout the process until confirmed correct before arranging shipment, to fully ensure that you receive the products you need and avoid unnecessary troubles.
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What professional shipping and delivery standards can we provide you?

Within our international trade operations, we prioritize a high-efficiency supply chain and a transparent logistics framework. To ensure the accuracy of every shipment, a standardized PDI (Pre-Delivery Inspection) system is strictly enforced. Before the final sealing of containers, our QC specialists conduct a thorough re-examination. We provide clients with high-resolution photos of the actual items, packaging details, and the Packing List for Visual Confirmation, ensuring 100% compliance with order specifications and delivery transparency. We support versatile Incoterms, including EXW and FOB. To meet diverse delivery timelines and cost constraints, we offer a multi-modal logistics matrix ranging from Ocean Freight and Air Freight to global couriers (DHL/FEDEX/TNT/EMS). We guarantee full professional documentation support for every shipment to ensure a safe, timely, and compliant arrival at the port of destination.
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We are a global one-stop supplier of excavator spare parts. We maintain full control over the entire process from R&D and manufacturing to sales, delivering top-quality excavator components to you.

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