Product Overview
Dingtai manufactures Daewoo sprockets, the forged drive components that transfer final drive torque to track chains for reliable excavator mobility.
Our factory-direct supply chain provides complete OEM and aftermarket manufacturing services for distribution partners and equipment fleets worldwide.
Precision-machined teeth and hardened surfaces reduce premature sprocket wear, preventing track slippage, misalignment, and costly excavator downtime.
With over 20 years of undercarriage manufacturing experience, Dingtai holds ISO9001 and SGS certifications, ensuring consistent quality for demanding job sites.
We use 35MnB alloy steel and deep quenching processes to achieve high surface hardness, extending service life under heavy loads.
Core Selling Points
- 20+ Years Experience: Dingtai has produced heavy machinery undercarriage components since 2003, supplying stable quality to North American and global aftermarket clients.
- Premium 35MnB Material: Sprockets are forged from 35MnB alloy steel for high tensile strength and resistance to impact loads in tough digging conditions.
- Deep Quenching/Heat Treatment: Our induction hardening technology creates a deep wear-resistant layer on tooth profiles while maintaining a tough, crack-resistant core.
- ISO9001/SGS Certified: Strict ISO9001 quality management and SGS material testing verify dimensional accuracy and mechanical properties before every shipment.
Product Compatibility
Our catalog of Daewoo Sprocket includes various specifications, fully compatible with Daewoo and Doosan excavators.
Why Choose Dingtai?
1. Production Technical Parameters
| Parameter | Specification |
|---|---|
| Material | 35MnB Alloy Steel |
| Surface Hardness (HRC) | HRC 50-55 |
| Manufacturing Process | Precision forging, CNC machining, induction hardening |
| Quality Certification | ISO9001, SGS |
| Warranty | 12 months or 1,500 hours |
2. OEM & Customization
We match customer drawings, custom dimensions, and OEM part numbers, producing Daewoo sprockets with strict adherence to factory specifications.
3. Applicable Models
| Machine Type | Compatible Brands | Popular Series/Models |
|---|---|---|
| Mini Crawler Excavator | Daewoo / Doosan | DH55, DH60, DH80, Solar 55 |
| Mid-size Crawler Excavator | Daewoo / Doosan | DH130, DH150, DH220, Solar 130, Solar 220 |
| Large Crawler Excavator | Daewoo / Doosan | DH280, DH300, DH420, DH500, Solar 300 |
4. Delivery & Logistics
We offer factory-direct pricing, reliable ocean freight, and flexible MOQs from trial orders to full container loads for US procurement teams.
Technical Features
Sprocket teeth engage track bushings precisely, transmitting torque while minimizing impact stress. Forged blanks provide uniform grain structure for fatigue strength.
Deep induction hardening creates a martensitic wear layer on tooth flanks, while the root remains tough to resist bending fatigue under full digging loads.
Bolt holes and pilot bores are CNC machined to OEM tolerances, ensuring exact fitment on Daewoo final drives without modification.
Applications
- Mining: hard rock excavation and haul road maintenance.
- Road Construction: trenching, slope stabilization, and subgrade work.
- Quarrying: loading blasted rock and aggregate handling.
- Demolition: high-impact material sorting and site clearing.
- Utility Contracting: pipeline and underground infrastructure installation.
Frequently Asked Questions
What is the MOQ for Daewoo sprockets?
Standard MOQ is 4 pieces per specification. Mixed-model trial orders can be arranged for first-time buyers.
What is the delivery time?
Stocked Daewoo sprocket models ship in 7–15 days. Custom production takes 25–35 days after drawing confirmation.
How deep is the heat treatment on sprocket teeth?
Tooth surface hardening depth is 4–8 mm depending on model, achieving HRC 50–55 for wear resistance.
What warranty do you provide?
We provide a 12-month or 1,500-hour warranty against manufacturing defects under normal operating conditions.
Can you match OEM Daewoo part numbers?
Yes. Send your part number or drawing; our engineering team confirms dimensions and compatibility before quotation.
What material is used for Daewoo sprockets?
We forge sprockets from 35MnB alloy steel, offering high tensile strength and impact fatigue resistance.
Do you produce custom or non-standard sprockets?
Yes. We manufacture to customer drawings, including custom bolt patterns, pilot bores, and heat treatment specifications.
Maintenance Guide
- Inspect: Check sprocket teeth for sharpening, cracks, or uneven wear every 250 operating hours.
- Clean: Remove mud and debris from sprocket segments and mounting surfaces before installation.
- Torque: Tighten bolts to OEM torque in a cross pattern; recheck after the first 50 service hours.
- Track Tension: Maintain correct track sag to reduce sliding wear between sprocket teeth and track bushings.
- Replace: Replace sprockets when tooth tips become pointed or wear exceeds 20% of original profile.