Komatsu Undercarriage Parts - Idlers Track Rollers Top Rollers Track Links Track Shoes Sprockets Bolts for Caterpillar Hitachi Kobelco Excavators

Product Categories

Full-range Komatsu undercarriage components including idlers, track rollers, top rollers, track links, track shoes, sprockets, and bolts engineered for PC200-8 PC300-8 excavators. Direct-fit replacements for Caterpillar 320D Hitachi ZX200 Kobelco SK210 excavators.

Premium Komatsu undercarriage parts: idlers, track rollers, top rollers, track links, track shoes, sprockets, bolts. Cross-compatible with Caterpillar Hitachi Kobelco excavators. OEM-quality components with global shipping.

Complete Undercarriage Solutions for Excavators

We supply OEM-grade Komatsu undercarriage parts for all major excavator brands. Our components deliver extended service life in harsh operating conditions:

Core Product Range

Idlers: Front/rear idlers for Komatsu PC200 PC300 models
Track Rollers: Bottom rollers compatible with Caterpillar 320D Hitachi ZX210
Top Rollers: Upper carrier rollers for Kobelco SK250 SK350
Track Links: Sealed/lubricated chains for PC400 excavators
Track Shoes: Single/double grouser shoes for mining applications
Sprockets: Segmented rim assemblies for easy replacement
Bolts: Grade 10.9 undercarriage fastener kits

Cross-Brand Compatibility

Komatsu Part	Caterpillar Equivalent	Hitachi Match	Kobelco Alternative
PC200-8 Idler	320D Idler Assembly	ZX200 Idler	SK200 Idler
PC300 Track Roller	329D Bottom Roller	ZX330 Roller	SK300 Roller
PC400 Track Links	336 Track Chain	ZX470 Link Group	SK480 Links
PC210 Sprockets	323 Sprocket Segments	ZX210 Sprocket	SK210 Sprocket

Technical Specifications

Materials:
- Track shoes: 40Mn2 alloy steel (HRC 38-42)
- Sprockets: 8620H carburized steel
- Bolts: ISO 898-1 Class 10.9
Sealing: Triple-lip seals on rollers (IP68 rating)
Testing: 500-hour sand abrasion validation
Compatibility: Covers Komatsu PC60 to PC1250 models

Performance Advantages

Extended Lifespan: Track links last 20% longer than standard parts in high-abrasion environments
Precision Fit: CNC-machined sprockets maintain perfect track tension on Komatsu PC300-8 excavators
Corrosion Resistance: Zinc-nickel plated bolts withstand saltwater operations
Reduced Downtime: Interchangeable top rollers fit Hitachi ZX200 and Kobelco SK200 without modification

Global Support

Same-day shipping for Komatsu undercarriage kits
Technical drawings available for Caterpillar Hitachi Kobelco retrofits
Bulk pricing for track shoes and sprockets orders