IDLER – Part No. 17A-30-00161 (17A30300161) is a heavy-duty undercarriage component designed to guide the track chain, maintain proper track alignment, and ensure smooth machine operation. Manufactured from premium-grade alloy steel with advanced heat treatment, it provides excellent wear resistance, high load-carrying capacity, and a long service life in demanding mining, quarrying, construction, and earthmoving applications. It is precision-engineered for direct OEM fitment and dependable 

• Heavy-duty forged and heat-treated alloy steel construction
• High wear resistance and excellent impact strength
• Maintains proper track alignment and tension
• Precision-machined for OEM fit and easy installation
• Long service life under severe working conditions
• Ideal for mining, quarrying, road construction, and earthmoving applications