American 900 Series Crawler Crane Idler

American 900 series crawler cranes (such as the 9299, 9310A, and 9320), the idler (also called a guide wheel or idler tumbler) is a critical undercarriage component that guides the track chain and maintains proper tension.

Technical Specifications

Modern replacement idlers for the 900 series are manufactured using high-durability processes to meet or exceed original equipment manufacturer (OEM) standards.

Attribute	Typical Specification
Material	SCSiMn2H, ZG40Mn, 35SiMn, or 31Mn2Si
Technology	Forged or Casting
Heat Treatment	Whole quenching and tempering, followed by surface hardening
Seals & Bushings	Fine floating seals (3000+ hour life span) and high-wear-resistant bronze bushings
Warranty	Typically, 2500 working hours or one year

Compatible Models

The crane idler assembly is designed for the following specific American 900 series models:

American 500 Series, American 5299, American 700 Series, American 7250, American 7260, American 900 Series, American 9218, American 9220, American 9260, American 9299, American 9310, American 9310A, American 9320, American 11320, etc.

Production Process of American 900 serious crane idler

Why are clients more willing to choose Yantai Evergrowing?

1. Product performance

• Advanced mechanical technology and equipment are utilized in the manufacturing process, guaranteeing the original and superior quality of our idlers.

2. Inspection technology

• Our team of experienced technical engineers possesses the expertise to precisely and efficiently measure the dimensions of crawler crane guide wheels. This strict inspection process not only prolongs the service life of crawler crane undercarriage parts but also reduces maintenance costs for our customers.

3. After-sales service

• We provide a comprehensive warranty period of 2,500 working hours or one year for our products, if any quality problems occur during the warranty period, please contact us in time.