
John Deere JD350 Fabricated Front Idler Assembly/forged idler made by DPW MACHINERY PARTS-China source factory for crawler undercarriage part
Product Specifications
John Deere JD350 forging Front Wheel Idler Assembly is a critical undercarriage component that maintains proper track tension and alignment for smooth dozer operation. This precision-engineered assembly ensures optimal performance in demanding conditions while reducing wear on your machine's track system.
Key Features & Benefits
✔ Heavy-Duty Construction – Forged steel construction with reinforced flange for maximum durability
✔ Sealed Bearing System – Triple-lip labyrinth seals keep contaminants out and grease in
✔ Precision Machined – Computer-balanced for vibration-free operation
✔ Wear-Resistant Surface – Induction-hardened contact surface extends service life
✔ Easy Installation – Direct bolt-on replacement for OEM assembly
Technical Specifications
Compatible Models: John Deere JD350 Crawler Dozer (All Series)
OEM Part Number: AT250450 (verify with your serial number)
Bearing Type: Double-row tapered roller bearings
Seal Type: Triple-lip nitrile rubber with dust exclusion ring
Weight:(160kg)
Common Replacement Indicators
⚠ Excessive track sag or improper tension
⚠ Visible wear on idler flange (>25% material loss)
⚠ Bearing play or grinding noises
⚠ Grease leakage from seal areas
⚠ Uneven track link wear patterns
Why Choose Our JD350 Idler Assembly?
✅ OEM-Quality Construction – Meets or exceeds original specifications
✅ Extended Service Life – Up to 30% longer wear life than economy parts
✅ Complete Assembly – Includes bearings, seals, and mounting hardware
✅ Inventory Ready – Ships same day for quick turnaround
✅ 1-Year Warranty – Against defects in materials and workmanship
Maintenance Recommendations
Inspect Weekly – Check for abnormal wear or bearing play
Lubricate Regularly – Grease every 50 operating hours
Clean Surfaces – Remove packed debris from idler cavity
Monitor Track Tension – Adjust according to operator's manual
Purchase Options
🔧 OEM Genuine Part – Factory-direct replacement
🔧 Premium Aftermarket – Cost-effective alternative with OEM quality
🔧 Rebuilt Assemblies – Budget-friendly option with new bearings and seals
📞 Contact Our Undercarriage Specialists Today!
For expert advice and fast shipping on your JD350 front idler needs
Quality Assurance:
100% dimensional verification before shipping
Load-tested to exceed OEM specifications
Backed by 12-month limited warranty
This fabricated idler assembly offers superior value compared to traditional cast designs, particularly in harsh operating environments where impact resistance and longevity are critical. The welded plate construction provides optimal strength-to-weight ratio while maintaining precise dimensional tolerances for perfect track alignment.