20Y-30-00030 Komatsu Track Idler Assembly | Front Idler For PC200-5 PC200-6 Excavator
Updated OEM cross reference: 20Y-30-00033
Products Description
Products Description
Komatsu 20Y-30-00030 Front Idler is a durable, precision-machined undercarriage component designed for Komatsu PC200-5 and related excavator models, offering excellent wear resistance, reliable track guidance, and long service life for demanding construction and earthmoving applications.

What makes this idler good
· Induction hardened wheel surface, strong wear resistance for rocky & muddy construction sites
· Floating metal face seal blocks water, sand and mud, protects bearing and prevents oil leakage
· Precision machined, direct bolt-on replacement, no modification required
· Every unit inspected before shipment to guarantee stable performance
· Ready stock for machine repair & overhaul projects

Applications
This track idler fits Komatsu PC200-5 and PC200-6 excavators. We also supply other matching undercarriage parts including track rollers, top rollers, track chains, sprockets and track shoes, feel free to reach out for full set pricing.


Products Specification
| Item | Specification |
| Brand | Komatsu |
| Part Number | 20Y-30-00030 |
| Product Name | Front Idler Assembly |
| Application | Komatsu PC200-5 / PC200-6 / PC220-5 / PC220-6 |
| Overall Diameter | 560 mm |
| Tread Diameter | 520 mm |
| Width | 340 mm |
| Bore Diameter | 105 mm |
| Mounting Thread | M16 |
| Weight | 117–130 kg |
Note: This is a complete assembled idler. Suitable for mini excavator track system repair.


Company Profile
We are a seasoned construction machinery exporter with more than 20 years in this industry. We supply quality used construction machines and replacement spare parts to buyers across the globe.
Our lineup includes excavators, wheel loaders, crawler cranes, mobile cranes and forklifts. We also stock a wide range of matching spare parts - undercarriage components, engine parts, hydraulic assemblies and wear parts to cover all kinds of machine repair and overhaul work.
Quality is what we build our business on. Our in-house inspection team carefully checks every machine and spare part before shipment. Each unit gets a full assessment covering appearance, wear level and working performance. Only solid, reliable machines and qualified parts will be packed and shipped to our customers.
We support you through every stage of your order:
Pre-sale We listen to your job site conditions and budget, then give practical advice to help you pick the right machine or spare parts.
In-sale Our team keeps clear communication throughout the whole process. We manage every detail to keep your order on track, maintain quality checks and deliver on schedule.
After-sale We're ready to offer technical help, installation tips and maintenance guidance. We reply quickly if you run into any issues, so you can buy with peace of mind.
With consistent stock availability, hands-on technical support and well-honed export procedures, we've built long-term partnerships with clients worldwide. If you need dependable construction machinery and spare parts, you can count on us.






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