170301-00001 DX500LC Excavator Swing Motor Hydraulic Rotary Gearbox Assembly

170301-00001 DX500LC Excavator Swing Motor Assembly

The 170301-00001 DX500LC Excavator Swing Motor is a premium hydraulic rotary gearbox assembly designed for Doosan 500LC series excavators. Engineered with precision-machined internal components, this swing motor delivers reliable rotational performance for upper structure slewing operations in demanding construction and mining applications.

Key Features

• OEM Compatibility: Direct replacement for Doosan DX500LC excavator swing drive system, part number 170301-00001
• High Torque Output: Optimized hydraulic displacement ensures smooth and powerful upper structure rotation
• Durable Construction: Heavy-duty cast iron housing with heat-treated internal planetary gears for extended service life
• Precision Machined: CNC-machined valve plate and piston assembly for minimal internal leakage and high volumetric efficiency
• Rigorous Testing: Each unit undergoes pressure testing, rotational balance verification, and sealing integrity checks before shipment

Packaging & Warranty

Each swing motor is packed in an export-grade plywood case with VCI anti-rust film and foam cushioning. 12-month warranty against manufacturing defects. Technical support and installation guidance available upon request.

Factory Display

Factory Overview

Our manufacturing facility spans over 5,000 square meters and is equipped with advanced CNC machining centers, hydraulic test benches, and dynamic balancing machines. With over 15 years of experience in excavator hydraulic component manufacturing, we maintain strict quality control throughout every production stage — from raw material inspection to final assembly and pressure testing.

• Production Capacity: 500+ swing motors per month
• Quality Control: 100% pressure testing on each unit before shipment
• R&D Team: 8 senior engineers specializing in hydraulic systems
• Certification: ISO 9001:2015 certified manufacturing facility

Frequently Asked Questions

Q1: Is the 170301-00001 swing motor a direct OEM replacement?

Yes, our 170301-00001 swing motor is manufactured to OEM specifications and is a direct bolt-on replacement for the Doosan DX500LC excavator. No modifications are required for installation.

Q2: What warranty do you offer?

All swing motors come with a 12-month warranty covering manufacturing defects and workmanship. Extended warranty options are available for bulk orders.

Q3: How do you ensure product quality?

Every swing motor undergoes a rigorous quality assurance process: incoming material inspection, in-process dimensional checks, post-assembly hydraulic pressure testing, rotational torque verification, and final visual inspection before packaging.

Q4: What is the minimum order quantity (MOQ)?

The MOQ is 1 piece for sample orders. For bulk production orders, competitive pricing is available starting from 10 pieces.

Q5: How long does delivery take?

Stock items ship within 3-5 working days. For production orders, the lead time is typically 15-25 working days depending on quantity and specifications.

Q6: Do you accept custom specifications?

Yes, we can customize swing motors based on your technical requirements, including displacement adjustments, mounting flange modifications, and port configuration changes. Please contact us with your specifications.