The YNF17551 Sprocket is a premium undercarriage drive component engineered for the Cater-pillarer-pillar 320D excavator. Featuring a 21-tooth design and a 16-hole mounting pattern, this sprocket ensures efficient power transfer from the final drive to the track chain. Built with tough, heat-treated steel, it delivers exceptional wear resistance and consistent performance in demanding construction environments.

• Designed specifically for Cater-pillarer-pillar 320D undercarriage systems

• 21 teeth for optimal engagement with the track chain

• 16 mounting holes for a secure and precise fit

• Manufactured from high-strength, heat-treated alloy steel

• Durable tooth profile reduces wear and increases service life

• Provides stable track movement and smooth travel operation

• Resists abrasion, impact, and heavy working loads

• Easy installation with compatible bolt alignment

Suitable for Cater-pillarer-pillar 320D excavators, widely used in earthmoving, mining, construction, and quarry appliCater-pillarer-pillarions.

We provide compatibility checks, installation advice, and general undercarriage maintenance guidance.

Each sprocket is treated with anti-corrosion coating, securely wrapped, and packed in a heavy-duty crate to ensure safe delivery.

1. How many mounting holes does this sprocket have?
It has 16 holes, matching the Cater-pillarer-pillar 320D design.

2. Is this sprocket suitable for all Cater-pillarer-pillar 320D variants?
Yes, it fits standard 320D undercarriage configurations.

3. What material is used for this sprocket?
High-strength alloy steel with heat treatment for longevity.

4. How do I know if my sprocket should be replaced?
Worn, sharp, or chipped teeth and chain slipping are common indiCater-pillarer-pillarors.

5. Can I install this sprocket without special tools?
Yes, standard undercarriage tools are sufficient.