The YNF17550 Sprocket is a high-strength undercarriage component designed specifically for the Hyundai R210-7 excavator. Manufactured with wear-resistant alloy steel and precision-machined tooth profiles, this sprocket ensures efficient power transfer from the travel motor to the track chain. Its 21-tooth, 30-hole configuration provides accurate fitment and long-lasting durability in harsh job-site conditions.

• Designed for Hyundai R210-7 excavators

• 21 teeth / 30 mounting holes for precise compatibility

• Hardened steel construction for excellent wear resistance

• Accurate tooth profile ensures smooth track engagement

• Helps maintain proper track tension and driving stability

• Resistant to impact, abrasion, and heavy load environments

• Reliable performance for long-term undercarriage operation

• Simple installation with OEM-matched bolt pattern

Ideal replacement sprocket for Hyundai R210-7 machines used in earthmoving, construction, mining, and general excavation work.

We offer assistance with part identification, installation guidance, and undercarriage maintenance recommendations.

Each sprocket is protected with anti-rust coating, wrapped securely, and shipped in a reinforced wooden or steel-framed crate for maximum safety during transport.

1. How many teeth does this sprocket have?
It features 21 teeth, matching the R210-7 specifications.

2. Is the sprocket compatible with all Hyundai R210-7 versions?
Yes, it fits standard R210-7 undercarriage configurations.

3. What material is the sprocket made from?
High-strength alloy steel with heat treatment.

4. Does it require special tools for installation?
Standard undercarriage tools are sufficient.

5. How can I check if my sprocket is worn out?
Look for pointed teeth, uneven wear, or chain skipping during travel.