Hyundai R520LC Front Idler Assembly Excavator Undercarriage Track Idler Heavy Duty Replacement Parts
Model: R520ID
Min. Order: 1 Pieces
- Product Name:
- Front Idler
- Part Type:
- Front Idler Assembly
- Application Brand:
- Hyundai
- Compatible Models:
- Hyundai R520LC
- Lead Time:
- in stock
- Supply Ability:
- 10,000 Pieces
- Shipping Port:
- Xiamen, China
Product Features & Applications
Heavy-duty Front Idler Assembly for Hyundai R520LC crawler excavators. The front idler is an essential undercarriage component installed at the front of the crawler frame. It guides the track chain, maintains correct track alignment and works together with the track tension adjustment system to ensure smooth machine travel and stable operation. Manufactured from high-strength 40Mn2 alloy steel with precision machining, advanced heat treatment and reliable sealing technology, our Hyundai R520 front idler provides excellent wear resistance, impact strength and long service life under heavy-duty construction and earthmoving conditions. Designed as an OEM-style aftermarket replacement for Hyundai R520LC excavator undercarriage systems. Please provide your machine serial number, existing OEM part number or idler dimensions to confirm the exact fitment before ordering.
Product Overview
The Front Idler Assembly, also known as Track Idler or Idler Assembly, is installed at the front section of crawler excavators.
Its main functions include:
- Guiding the track chain during machine operation
- Maintaining proper track alignment
- Working with the track adjuster system
- Absorbing impact loads from uneven terrain
For a 50-ton class excavator such as Hyundai R520LC, the undercarriage system is exposed to continuous impact and abrasion during excavation, quarrying and earthmoving operations.
A worn or damaged front idler may result in:
- Track chain deviation
- Abnormal vibration
- Uneven track wear
- Increased travel resistance
- Accelerated wear of track rollers and track chains
Our Hyundai R520 front idlers are manufactured with professional undercarriage production technology, providing a reliable aftermarket replacement solution for equipment dealers, repair workshops and contractors.
Key Features & Benefits
Heavy-Duty Construction Application
Designed for:
Hyundai R520LC
Suitable for:
- Quarry operations
- Mining applications
- Heavy excavation
- Infrastructure construction
- Earthmoving projects
High-Strength Alloy Steel
Manufactured from:
40Mn2 Alloy Steel
Benefits:
- High impact resistance
- Excellent load-bearing performance
- Strong fatigue resistance
- Improved wear resistance
- Extended service life
Precision Heat Treatment
The idler tread surface is processed through controlled induction hardening.
Typical specification:
- Surface hardness: HRC 52-58
- Hardening depth: 10mm-15mm
Provides improved resistance against continuous track chain contact and abrasive working environments.
Reliable Sealing System
Equipped with:
- Heavy-duty floating oil seals
- Wear-resistant bushings
- Lifetime internal lubrication
The sealing structure helps prevent lubricant leakage and protects internal components from mud, dust and water contamination.
OEM-Style Replacement
Manufactured according to OEM-style dimensions:
- Idler diameter
- Shaft dimensions
- Mounting dimensions
- Track contact profile
Suitable for direct replacement after confirming specifications.
Technical Specifications
| Item | Specification / Detail |
|---|---|
| Product Type | Excavator Front Idler Assembly |
| Machine Model | Hyundai R520LC |
| Compatible Models | R520LC |
| Machine Type | Crawler Excavator |
| Machine Class | Approx. 50 Ton |
| Material Grade | 40Mn2 Alloy Steel |
| Manufacturing Process | Casting + CNC Machining |
| Heat Treatment | Induction Hardening |
| Surface Hardness | HRC 52-58 |
| Hardening Depth | 10mm-15mm |
| Seal System | Heavy-duty Floating Oil Seal |
| Lubrication System | Lifetime Internal Lubrication |
| Structure | Heavy-duty Idler Assembly |
| Quality Inspection | Dimension, Hardness and Sealing Inspection |
| Mounting Configuration | OEM Standard |
| Installation | Bolt-on Direct Replacement |
| Application | Mining / Construction / Earthmoving |
| Shipping Note | Heavy Component — Sea Freight Recommended |
Technical Specifications
- Product Name
- Front Idler
- Part Type
- Front Idler Assembly
- Application Brand
- Hyundai
- Compatible Models
- Hyundai R520LC
- Machine Class
- Approx. 50 Ton Excavator
- OEM No.
- to be confirmed
- Replacement No.
- R520ID
- Application
- Construction / Mining / Earthmoving / Excavator
Trade Specifications
- Reference Price
- USD $850.00 - $1350.00
- Minimum Order Quantity
- 1 Pieces
- Lead Time
- in stock
- Supply Ability
- 10,000 Pieces
- Shipping Port
- Xiamen, China
Quanzhou Red Hill Machinery Co., Ltd.
QUANZHOU RED HILL ENGINEERING& MACHINERY CO.,LTD. is locatedin the Intemaltonal Garden City-Quanzhou , Fujan Province. She is modemfactory whichis profestionalin developing. manufacturing and serviding. providng various highquality excavators and buldozers components. Especialy,accesonof excavators and buldozers-undercariage parts (Track Roler, Carrier Roler, Frontldler, Sarocke, Track Link, Track Frame, and al kinds of Hydraulic Cyinders.)Its product quality and technology has reached the industry and international advanced levelWith the successve development, Red Hll Machinery had held systemic & high-clas equipments, advanced & effective faclities and moder management Weare providing services for woridwide customers with high quality products, competitive cost and good business reputationRed Hl Machinery persistin "Based in High Quality, Develop Wth Good Credit" as enterprise cuture,customer oriented pass through whole operation activities.We are confident that Red Hlbrand wil be famed more and more wdely areal We are aways ardent to provde good services to al the customers wth PrecisenesSpecialty and Sincerity. Red Hill Machinery is willing to build a close & long-term business relationship with you!
- Location
- No.6, Shunhe Road, Xiamei Town, Nan'an,Quanzhou City, Fujian Province, China
- Main Products
- Construction Machinery Parts
- Employees
- 101-500 People
- Factory Area
- > 50,000 m²
- Annual Revenue
- US$10 Million - US$50 Million
- Main Markets
- North America / Europe / Middle East & North Africa / Latin America