Top Description
We manufacture Caterpillar bulldozer undercarriage parts—track rollers, idlers, sprockets, track chains, and shoes—critical for track stability and drive efficiency.
As a factory-direct manufacturer, Dingtai provides complete OEM and aftermarket replacement services for global distributors, dealers, and end users.
Our components resist premature wear, impact breakage, and seal failure, reducing unplanned downtime in demanding earthmoving and dozing applications.
With over 20 years of undercarriage engineering experience and ISO9001/SGS-certified production, Dingtai delivers repeatable quality and field-proven reliability.
Premium 35MnB steel, deep induction hardening, and precision machining ensure hard tread surfaces, tough cores, and long service life under load.
Core Selling Points
- Global Brand Compatibility: Direct interchange with Caterpillar D3–D11 bulldozer series, minimizing sourcing complexity and reducing downtime for mixed fleets.
- Premium 35MnB Material: Heavy-duty 35MnB alloy steel provides high tensile strength and impact resistance, extending undercarriage life in abrasive conditions.
- Deep Quenching/Heat Treatment: Induction-hardened tread surfaces achieve HRC 50–58 and 6–10mm depth, balancing wear resistance with core toughness.
- ISO9001/SGS Certified: Production processes are ISO9001-certified with SGS verification; dimensional and hardness reports are available with each export batch.
Product Grid
Our catalog of Caterpillar Bulldozers Undercarriage Parts includes various specifications, fully compatible with Caterpillar D3–D11 bulldozers and 953–973 track loaders.
Why Choose Dingtai?
1. Production Technical Parameters
| Parameter | Specification |
|---|---|
| Material | 35MnB / 40Mn2 / 50Mn alloy steel (part-dependent) |
| Surface Hardness | HRC 50–58 |
| Hardening Depth | 6–10 mm on tread and contact surfaces |
| Manufacturing Process | Precision forging, CNC machining, induction hardening, tempering |
| Certification | ISO 9001:2015, SGS material and hardness reports |
| Warranty | 12 months or 2,000 working hours, whichever comes first |
2. OEM & Customization
We produce undercarriage parts from drawings or samples, matching Caterpillar part numbers and critical dimensions with strict OEM tolerance standards.
3. Applicable Models
| Machine Type | Compatible Brands | Popular Series/Models |
|---|---|---|
| Bulldozer – Small | Caterpillar | D3K, D4K, D5K, D5N |
| Bulldozer – Medium | Caterpillar | D6K, D6T, D7R, D7E |
| Bulldozer – Large | Caterpillar | D8T, D9R, D10T, D11T |
| Track Loader | Caterpillar | 953, 963, 973 |
4. Delivery & Logistics
Factory-direct pricing, flexible MOQ, and reliable global shipping by sea, air, or express with protective export packaging.
Technical Features
Deep induction hardening produces a hard tread surface with a tough core, resisting abrasion, impact, and plastic deformation under heavy bulldozer loads.
Precision-machined rolling surfaces and sealed lubrication systems reduce friction and heat buildup, extending track roller and idler service intervals.
Bimetallic bushings and floating seals block abrasive dirt and moisture, maintaining internal lubrication in mining and quarrying environments.
Applications
- Mining and aggregate stockpiling
- Road construction and subgrade preparation
- Quarrying and rock handling
- Land clearing and forestry dozing
- Demolition and site remediation
- Heavy civil construction and earthmoving
Frequently Asked Questions
- What is the minimum order quantity for Caterpillar undercarriage parts?
- MOQ depends on part type; common replacement parts can start at 10–20 units. Samples may be available for evaluation.
- What is the delivery time?
- Standard production takes 20–35 days. Stock items can ship in 7–10 days, depending on order volume.
- How deep is the heat treatment on track rollers and idlers?
- Tread hardening depth is typically 6–10mm, with HRC 50–58 surface hardness depending on part specification.
- What warranty do you provide?
- 12 months or 2,000 working hours from shipment, whichever comes first, covering manufacturing defects under normal use.
- Can you match Caterpillar OEM part numbers?
- Yes, we match dimensions and part numbers for popular CAT dozer models, including D3–D11 and 953–973 track loaders.
- Are these parts interchangeable with genuine Caterpillar?
- They are aftermarket replacement parts engineered for interchangeability. Dingtai is not affiliated with Caterpillar Inc.
- How do I confirm part compatibility?
- Provide Caterpillar part number, machine model, and dimensions. Our engineering team verifies before quotation.
- What packaging is used for export?
- Export-grade plywood pallets or crates, anti-rust protection, and clear labeling for safe sea, air, or express transport.
Maintenance Guide
- Inspect track tension daily; incorrect tension accelerates roller, idler, sprocket, and chain wear on all track frames.
- Check lubricated roller and idler oil levels every 250 hours; replace if leaks or contamination are visible.
- Monitor tread wear, flange wear, and bushing cracks; replace when wear exceeds OEM-recommended limits.
- Clean the undercarriage frequently to prevent abrasive mud, rock, and debris from accelerating component wear.
- Replace matched components together to maintain even load distribution and prevent early failure.