Product Overview
Dingtai manufactures Case bulldozer track roller-single flange assemblies. They support machine weight, guide track chains, and maintain undercarriage stability during operation.
Factory-direct operations provide comprehensive OEM manufacturing services. Global clients receive consistent quality, technical support, and custom production without intermediary costs or delays.
Heavy-duty single flange rollers resist abrasive wear and impact. They prevent premature undercarriage failure, reduce unplanned downtime, and solve recurring breakage in demanding jobsite conditions.
Dingtai holds over 20 years of undercarriage manufacturing experience. ISO9001 and SGS certification confirm our production traceability, process control, and reliable quality management.
We machine 35MnB steel and apply deep quenching heat treatment. This produces high surface hardness and a tough core for extended service life under load.
Core Selling Points
- Premium 35MnB Material: Forged 35MnB steel offers high tensile strength, wear resistance, and impact toughness for demanding bulldozer undercarriage applications.
- Deep Quenching/Heat Treatment: Induction hardening achieves 52–58 HRC surface hardness with a controlled depth, improving fatigue strength and reducing roller wear.
- Global Brand Compatibility: Single flange rollers match Case OEM dimensions and fit popular dozer series without modification or shimming.
- 100% QC Inspection: Every roller undergoes dimensional checks, hardness testing, and seal verification before packing to ensure defect-free shipment.
Product Catalog
Our catalog of Case Bulldozer Track Roller-Single Flange includes various specifications, fully compatible with Case 450, 550, 650, 750, 850, 1150, 1650, and 2050 series bulldozers.
Why Choose Dingtai?
Production Technical Parameters
| Parameter | Specification |
|---|---|
| Material | 35MnB / 40Mn2 forged steel |
| Hardness | HRC 52–58 surface, HRC 35–45 core |
| Heat Treatment | Induction hardening / deep quenching |
| Process | Forging, CNC turning, grinding, assembly, sealing |
| Certification | ISO9001, SGS |
| Warranty | 12 months / 2,000 working hours |
OEM & Customization
We produce rollers from samples or drawings, customizing dimensions and flange configuration while strictly adhering to Case OEM fit and tolerance standards.
Applicable Models
| Machine Type | Compatible Brands | Popular Series/Models |
|---|---|---|
| Crawler Bulldozer | Case Construction | 450, 550H, 650K, 750L, 850M, 1150K, 1650K, 2050M |
Delivery & Logistics
Factory-direct pricing and reliable sea/land freight support low MOQs. We pack rollers in export-grade crates to prevent damage during global transit.
Technical Features
Single flange design uses a hardened rim to guide the track chain laterally, preventing derailment and uneven wear during turning or sidehill operation.
Floating seals and bimetal bushings retain lubricant and block abrasive particles. This sealed lubrication system extends service intervals under high ground pressure.
Deep-quenched 35MnB steel creates a hard outer surface and resilient core, resisting spalling and impact fractures from rocky or uneven terrain.
Applications
- Mining operations with abrasive ore, rock, and heavy impact loads.
- Road construction and site preparation on compacted soil and gravel.
- Quarrying and aggregate handling in high-wear environments.
- Landfill and waste management where debris accelerates undercarriage wear.
- Demolition and forestry work requiring track stability on rough terrain.
Frequently Asked Questions
What is the minimum order quantity for Case bulldozer track rollers?
Standard MOQ is typically 4–10 pieces per specification, but trial orders and mixed models can be arranged.
How long is delivery time?
Standard production takes 15–30 days after drawing confirmation, depending on quantity and current capacity.
What heat treatment depth do you achieve?
Surface induction hardening reaches 52–58 HRC with hardened depth typically 8–12 mm, verified by section inspection.
What warranty policy applies?
We provide 12 months or 2,000 working hours warranty against material and manufacturing defects under normal use.
Can you match my existing Case part number?
Yes. Send your OEM part number or drawing; our engineering team cross-references dimensions and supplies exact compatible rollers.
Are these rollers suitable for severe mining applications?
Yes, forged 35MnB material and deep hardening withstand high impact and abrasive conditions common in mining dozers.
Do you offer OEM packaging?
Neutral, branded, or custom OEM packaging is available. We label according to client specifications.
Maintenance Guide
- Inspect flange thickness, tread surface, and oil levels every 500 operating hours to detect early wear or leakage.
- Check mounting bolts and torque values monthly; loose bolts cause misalignment and accelerated roller wear.
- Replace single flange rollers in pairs or full sets to maintain track alignment and equal load distribution.
- When flange wear reaches 20–25% of original thickness, schedule replacement to prevent damage to chain links.