Dingtai manufactures Hyundai idlers as the front undercarriage component that maintains track tension, alignment, and stable travel for excavators and crawler machines.
We supply factory-direct idlers with comprehensive OEM manufacturing services, custom specifications, and direct engineering support for global equipment buyers.
Our Hyundai idlers resist severe wear, prevent track derailment, and reduce unscheduled downtime in abrasive mining and construction job site conditions.
With over 20 years of undercarriage manufacturing experience, Dingtai maintains ISO9001 and SGS quality certifications for consistent, verifiable component reliability.
We forge idler rims from 35MnB alloy steel and apply deep quenching to achieve high surface hardness while retaining core toughness.
Core Selling Points
- Premium 35MnB Material: We use 35MnB alloy steel for idler rims and shafts, providing high tensile strength and resistance to impact and fatigue.
- Deep Quenching/Heat Treatment: Deep induction quenching hardens the tread surface to 50–55 HRC while keeping the core ductile, preventing cracks under heavy loads.
- 100% QC Inspection: Every Hyundai idler passes dimensional, hardness, ultrasonic, and assembly testing before shipment, ensuring consistent OEM performance.
- OEM Capabilities: Dingtai manufactures to Hyundai OEM drawings and part numbers, offering custom dimensions, branding, and packaging for distributor requirements.
Product Range
Our catalog of Hyundai Idlers includes various specifications, fully compatible with Hyundai excavators and bulldozers.
Why Choose Dingtai?
1. Production Technical Parameters
| Parameter | Specification |
|---|---|
| Material | 35MnB / 40MnB forged alloy steel |
| Hardness (HRC) | 50–55 HRC on tread face |
| Manufacturing Process | Forging, CNC machining, induction hardening, precision assembly |
| Certification | ISO9001:2015, SGS |
| Warranty | 12 months or 2,000 service hours |
2. OEM & Customization
We match original Hyundai drawings, custom dimensions, and OEM part numbers, maintaining strict tolerances to ensure bolt-on replacement without field modification.
3. Applicable Models
| Machine Type | Compatible Brands | Popular Series/Models |
|---|---|---|
| Crawler Excavator | Hyundai | R110, R140LC, R160LC, R210LC, R220LC, R290LC |
| Large Excavator | Hyundai | R305LC, R320LC, R380LC, R480LC, R520LC |
| Mini Excavator | Hyundai | R55, R60 |
4. Delivery & Logistics
We ship Hyundai idlers globally with factory-direct pricing, flexible MOQ, and reliable sea, rail, or truck delivery to US ports.
Technical Features
Forged alloy steel rims with induction-hardened tread surfaces resist wear, spalling, and impact deformation in abrasive undercarriage environments.
Precision-machined shafts and bimetal bushings maintain axial alignment, while floating seals retain lubrication and exclude dirt, extending service life.
Deep quenching creates a hard surface of 50–55 HRC over a ductile core, preventing surface cracking and sudden failure under high excavator loads.
Applications
- Mining
- Road Construction
- Quarrying
- Demolition
- Heavy Earthmoving
- Forestry and Land Clearing
Frequently Asked Questions
What is your MOQ for Hyundai idlers?
Standard MOQ is one piece for stock models; custom OEM orders may require 10–20 units depending on production batch and size.
What is the delivery time?
Stock idlers ship in 7–15 days. Custom production typically requires 25–45 days depending on order quantity and specifications.
How deep is the heat treatment on your idler rims?
Induction hardening depth is typically 4–8 mm on the tread face, achieving 50–55 HRC while maintaining a ductile core.
What warranty do you provide?
We provide a 12-month or 2,000-hour warranty against manufacturing defects under normal operating conditions.
Can you match Hyundai part numbers?
Yes. Send OEM part numbers or drawings; we cross-reference and produce exact dimensional replacements with full traceability.
Do you offer samples?
Samples are available for stock idlers. Freight and unit costs can be negotiated based on future order volume.
What certifications support quality?
Dingtai holds ISO9001:2015 and SGS certifications, with 100% QC inspection covering hardness, dimensions, and assembly fit.
Maintenance Guide
- Inspect idler tread, flanges, and seal area every 250 operating hours for cracks, oil leaks, or excessive wear.
- Maintain correct track tension; loose or over-tight tracks accelerate idler, chain, and sprocket wear.
- Check shaft end play and listen for metallic grinding; replace bushings or seals if clearance exceeds service limits.
- Replace idlers when tread depth falls below the OEM wear limit or flange wear affects track guidance.
- Always torque mounting bolts to Hyundai specifications and use OEM-grade floating seals during installation.