Product Description
| Material | ZG40Mn,40mn2 |
| Part No. | 101-30-00160,103-30-00131,CR2203,ITM82003,KM1116,ID-D20,IDL2203 |
| Finish | Smooth |
| Colors | Black, yellow, or customized |
| Technology | Forging/Casting |
| Surface Hardness | HRC55-60,depth: 8mm-12mm |
| Warranty time | 12 Months |
| Delivery Time | 25-30 days |
D20 IDLER PART NO.:103-30-00020
Product Overview
Part Number: 103-30-00020
Fit Machine: Komatsu D20 Mini Crawler Bulldozer
This heavy-duty aftermarket replacement idler wheel is custom designed for Komatsu D20 light mini bulldozers. Manufactured from high-strength alloy cast steel with full-rim deep quenching heat treatment, this part holds proper track tension and guides track chains smoothly. It effectively prevents track deviation, slipping and derailment, maintaining stable performance under harsh working scenarios including landscaping, farm land leveling and small municipal construction projects.
Core Advantages
Precision Machined Replacement Dimensions
All outer diameter, spindle bore and mounting bracket sizes are precisely processed to perfectly fit Komatsu D20 mini bulldozers. It enables direct bolt-on installation without cutting, welding or any modification.
Deep Hardened Wheel Rim
The rim surface is treated by carburizing quenching to gain outstanding wear resistance, greatly extending service life on rocky and muddy small construction job sites.
Multi-Layer Anti-Mud Sealed Lubrication Structure
Thick composite oil seals block sediment and water penetration while stopping grease leakage, significantly lowering maintenance frequency during daily light-load pushing operations of mini bulldozers.
High Toughness Cast Body
Integral cast structure effectively resists cracking and permanent deformation under long-term light-duty pushing work.
Strict Pre-Shipment Quality Inspection
Each idler undergoes hardness test, hydraulic leak test and dimensional calibration before packaging to ensure consistent and stable quality.
Compatible Equipment
This aftermarket replacement idler fits Komatsu D20 mini crawler bulldozer perfectly.
If you are unsure about compatibility, send your machine model and photos of your old idler to our sales team for fast professional verification.
Application
Track tension replacement idler wheel for Komatsu D20 small bulldozers, widely applied in garden renovation, farm grading and residential small road repair machinery chassis tension systems.
Packing & Delivery
Adopt shockproof export wooden cases and fumigated wooden pallets for outer packaging.
We provide bulk wholesale service, accept mixed orders of full-set bulldozer undercarriage spare parts, offer fast mass production lead time and global door-to-door delivery support.
Why Choose MUYE Aftermarket Undercarriage Parts
MUYE Machinery has focused on aftermarket mini & heavy bulldozer and excavator chassis spare parts for more than 10 years:
- Complete product range including idler, track roller, top roller, sprocket, segment and track shoe for Komatsu, CAT, Doosan, Hitachi, Volvo and other mainstream machinery brands
- Direct factory supply with competitive wholesale prices, no extra markup from intermediate dealers
- All aftermarket undercarriage wear parts are covered by a 12-month quality warranty
- Professional technical team provides accurate model matching and installation guidance
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