Dingtai manufactures Liebherr idlers, front guide wheels that maintain crawler track alignment and tension on heavy machinery.
As a factory-direct manufacturer, we offer complete OEM services, custom dimensions, and rapid prototyping for global distributors and OEMs.
Our idlers resist premature wear and flange cracking, reducing unplanned downtime in harsh undercarriage environments.
With over 20 years in undercarriage manufacturing and ISO9001/SGS certification, Dingtai delivers consistent quality and full traceability.
We forge idlers from 35MnB steel, induction harden the tread to HRC 50-55 with deep quenching for maximum durability.
- 20+ Years Experience: Two decades manufacturing undercarriage components ensures engineering know-how and reliable performance in demanding applications.
- Premium 35MnB Material: High-strength boron steel provides superior impact toughness and resistance to bending or cracking under heavy loads.
- Deep Quenching/Heat Treatment: Induction hardening creates a deep, uniform hardened layer on the tread, extending wear life significantly.
- OEM Capabilities: We produce idlers to exact OEM drawings, with custom dimensions and branding for seamless integration into your fleet.
Our catalog of Liebherr Idler includes various specifications, fully compatible with Liebherr excavators and bulldozers.
Why Choose Dingtai?
1. Production Technical Parameters
| Parameter | Specification |
|---|---|
| Material | 35MnB forged steel |
| Tread Hardness | HRC 50-55 |
| Manufacturing Process | Hot forging, CNC machining, induction hardening, tempering |
| Certification | ISO9001:2015, SGS |
| Warranty | 12 months or 2,000 working hours |
2. OEM & Customization
We match your drawings or OEM part numbers, customizing shaft diameter, mounting bolt pattern, and surface finish to exact specifications.
3. Applicable Models
| Machine Type | Compatible Brands | Popular Series/Models |
|---|---|---|
| Crawler Excavators | Liebherr | R 900, R 910, R 924, R 934, R 944, R 950, R 960, R 980 |
| Crawler Dozers | Liebherr | PR 736, PR 746, PR 756, PR 766, PR 776 |
| Crawler Cranes | Liebherr | LR 1100, LR 1200, LR 1300 |
4. Delivery & Logistics
We ship factory-direct worldwide, offer flexible MOQ starting at one piece for samples, and provide reliable sea or air freight options.
Technical Features
The idler wheel guides the track chain and maintains proper tension. Its forged rim and induction-hardened tread resist abrasive wear from rocks and debris.
A double-cone floating seal retains lubricant and blocks contaminants, ensuring the idler bearing runs cool and maintenance-free for thousands of hours.
Precision-machined shaft and bushing assembly guarantee concentric rotation, reducing vibration and extending the life of adjacent track components.
Applications
- Open-pit mining
- Quarrying
- Road construction
- Demolition
- Forestry
Frequently Asked Questions
Q: What is the MOQ for Liebherr idlers?
A: MOQ is 1 piece for sample orders; bulk orders typically start at 10 pieces per model.
Q: What is the delivery time?
A: Standard production takes 25-35 days after deposit; urgent orders can be arranged.
Q: How deep is the heat treatment on the idler tread?
A: Induction hardening depth is 8-12 mm, achieving HRC 50-55.
Q: What is the warranty policy?
A: 12 months or 2,000 working hours from shipment, covering manufacturing defects.
Q: Can you match a specific Liebherr part number?
A: Yes, provide the OEM part number or drawing, and we will produce an exact replacement.
Q: Do you offer samples?
A: We can provide one sample unit for testing before bulk production.
Q: What certifications do you have?
A: ISO9001:2015, SGS material reports, and full QC inspection records.
Maintenance Guide
- Installation: Ensure idler shaft is clean and properly aligned. Torque mounting bolts to Liebherr specifications.
- Inspection: Check for oil leaks around the seal, excessive side play, or abnormal wear on the tread every 500 hours.
- Replacement: Replace idlers when tread wear exceeds 20% of original diameter or when bearing play exceeds manufacturer limits.
- Lubrication: Most Dingtai idlers are lifetime lubricated; do not add grease unless specified.