Komatsu PC200-5 Front Idler Wheel Group/ excavator undercarriages manufacture from china-offer high quality guide wheels.
Product Specifications
The Komatsu PC200-5/6/7/8 Front Idler Wheel Assembly is a critical undercarriage component designed to guide and support the track chain while ensuring smooth operation and load distribution for the excavator. Below is a detailed breakdown of its features, functions, and specifications:
1. Definition & Purpose
Function:
Acts as a guide for the track chain, maintaining proper alignment.
Supports machine weight and absorbs shocks during operation.
Reduces wear on other undercarriage parts (rollers, sprockets, track links).
Position: Located at the front of the undercarriage (opposite the sprocket).
2. Key Features
a. Construction & Material
Forged Steel: High-strength, heat-treated steel for superior durability (compared to cast iron).
Sealed & Lubricated Bearings: Prevents dirt/debris ingress and extends service life.
Precision Machining: Ensures smooth rotation and minimal friction with track links.
b. Compatibility
Model-Specific: Designed for Komatsu PC200-5 (6-ton class excavator).
Interchangeability: May fit similar Komatsu models (e.g., PC200-6, PC200-7) with verification.
c. Design Variations
Single Flange or Double Flange: Depending on track chain type.
Standard or Heavy-Duty: For normal or high-impact applications (e.g., mining, rock quarries).
3. Signs of Wear or Failure
Visible Damage: Cracks, deep grooves, or excessive wear on the wheel surface.
Track Misalignment: Frequent derailments or uneven track tension.
Operational Issues: Unusual noises (grinding/squeaking) or increased vibration.
4. Replacement Guidelines
When to Replace:
Wheel diameter wears down beyond OEM tolerances.
Bearing seizure or grease leakage occurs.
Pair Replacement: Recommended to replace both left/right idlers simultaneously for balanced performance.
5. OEM vs. Aftermarket Options
a. OEM (Komatsu Genuine Parts)
Pros: Guaranteed fit, performance, and warranty.
Cons: Higher cost.
Part Number Example: Komatsu P/N 700-21-11310 (verify with serial number).
b. Aftermarket Alternatives
Brands: Berco, ITR, Grouser, Undercarriage Parts Inc.
Pros: Cost-effective, often comparable quality.
Cons: Requires compatibility verification.
6. Where to Buy?
OEM Dealers: Komatsu authorized distributors.
Aftermarket Suppliers: Online platforms (e.g., eBay, Alibaba, RitchieSpecs).
Local Undercarriage Specialists: For rebuilt or customized solutions.
7. Installation Tips
Torque Specifications: Follow Komatsu service manual guidelines for bolt tightening.
Alignment Check: Ensure proper track tension and parallelism after installation.
Lubrication: Grease bearings (if applicable) per OEM recommendations.
Need Further Assistance?
If you require:
Exact part numbers (provide your PC200-5 serial number).
Supplier recommendations (OEM/aftermarket).
Technical diagrams or installation steps.
Let me know—I’m happy to help!
