The core components of the milling machine walking system include:
Drive device (walking motor+reducer)
Track/tire system (support wheels, drive wheels, tracks or tires)
Hydraulic system (providing power and control)
Control system (manipulation and automation regulation)
Crawler type is suitable for heavy loads and uneven road surfaces, while tire type is more suitable for fast transitions on urban roads. During maintenance, special attention should be paid to:
Track/tire wear condition
Hydraulic oil and seal status
Lubrication of supporting wheels and guide wheels

Conveyor assembly and conveyor chain
The conveying shaft (also known as the conveyor shaft or scraper drive shaft) of the paver is the core transmission component of the feeding system,