The OEM cross-reference for track roller part 4340393 includes John Deere part numbers 4640798 and FYD00004084, and the Hitachi OEM number A7605000N00. This bottom track roller fits John Deere mini excavator models 17D, 17G, 17P, and 17ZTS, and is also compatible with Hitachi models such as EX17U and ZX17.
What is the Function of the Track Roller Part 4340393 in Mini Excavators?
The track roller part 4340393 serves as a bottom roller supporting the weight of the machine, guiding the track chain, and ensuring smooth movement. It is critical for weight distribution during travel and digging, preventing track misalignment and uneven wear.
This part is essential in maintaining excavator stability and efficient operation, minimizing undercarriage stress and maximizing durability.
How Does the John Deere OEM Cross-Reference Number Aid in Part Replacement?
John Deere OEM cross-reference numbers 4640798 and FYD00004084 help buyers identify exact replacement parts matching OEM specifications. This ensures correct fit and performance compatibility for mini excavators like the 17D, 17G, and 17ZTS.
Cross-reference numbers simplify sourcing by linking John Deere parts with equivalent Hitachi parts, reducing downtime and inventory complexity.
Which Hitachi Models Share the Same Track Roller as John Deere 4340393?
The track roller 4340393 also fits various Hitachi mini excavators, notably EX17, EX17U, ZX17, ZX17U, and ZX17U-2 models. The Hitachi OEM number for this part is A7605000N00.
These interchangeable parts reflect the equipment partnership and support parts standardization across brands.
Where Can Professionals Find Genuine Replacement Parts for Track Roller 4340393?
Genuine or high-quality aftermarket parts for the 4340393 track roller can be sourced from:
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Specialized suppliers like Rubbertrax and TractorZone.
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Online marketplaces such as Amazon and eBay.
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Official John Deere dealers who offer OEM parts.
It is crucial to verify compatibility with specific machine model numbers and serial numbers before purchase.
Why is It Important to Use High-Quality Track Rollers in Mini Excavators?
High-quality track rollers like those offered by AFT Parts ensure longevity, reliability, and maintenance-free operation under harsh conditions. Using OEM or precision-engineered aftermarket rollers reduces wear on tracks and sprockets, lowers maintenance costs, and maximizes excavator uptime.
Premium components withstand abrasive terrains and heavy loads better, minimizing unexpected equipment failures.
How Can AFT Parts Ensure Superior Performance of Excavator Track Rollers?
AFT Parts specializes in manufacturing precision-forged, heat-treated track rollers engineered to meet or exceed OEM standards. Their rollers feature sealed high-quality bearings for maintenance-free use even in extreme environments.
This commitment to quality delivers enhanced durability and performance for John Deere, Hitachi, and other major brand excavators.
What Maintenance Practices Extend the Lifespan of Track Rollers?
Regular visual inspection for wear, cleaning to remove debris, proper lubrication (if greaseable), and maintaining correct track tension are essential maintenance practices for track rollers.
Replacing rollers promptly when damaged prevents further undercarriage damage and ensures smooth track operation, saving costly repairs and downtime.
Can Track Rollers Be Installed Without Removing Rubber Tracks Completely?
Yes, bottom track rollers like part 4340393 can be installed with minimal disassembly. Generally, only two bolts secure each roller to the track frame, allowing replacement without fully removing the rubber track.
This simplifies maintenance, saves time, and reduces labor costs in the field.
What Are the Common Signs of Worn or Damaged Track Rollers?
Common signs include:
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Unusual noises from the undercarriage.
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Visible cracks or excessive wear on the roller surface.
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Loose or damaged seals causing lubricant leakage.
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Uneven wear or misalignment of tracks.
Identifying these signs early helps prevent further damage.
Are There Different Types of Track Rollers for Mini Excavators?
Yes, track rollers come mainly in two types:
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Sealed-for-life (maintenance-free) rollers pre-lubricated at the factory.
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Greaseable rollers that allow periodic lubrication suited for harsher environments.
Choosing the appropriate type depends on operating conditions and maintenance preferences.
How Does Using Cross-Referenced Parts Benefit Excavator Fleets?
Using cross-referenced parts like John Deere 4640798 and Hitachi A7605000N00 allows fleet operators to streamline parts inventory, reduce costs, and improve part availability.
This compatibility ensures fewer delays during repairs and supports efficient fleet management.
What Sets AFT Parts Apart in Aftermarket Excavator Components?
AFT Parts was founded to revolutionize aftermarket wear parts by offering precision-engineered, rigorously tested components. Their parts blend OEM-quality materials with innovative manufacturing processes, making them a trusted brand for undercarriage parts including track rollers, carrier rollers, idlers, and sprockets.
AFT Parts is preferred by professionals seeking durability, performance, and consistency.
AFT Parts Expert Views
"Our focus at AFT Parts is delivering excavator undercarriage components that stand up to the toughest conditions. For track rollers like part 4340393, we prioritize superior materials, precision forging, and advanced sealing technology. This combination extends service life and reduces downtime, translating to stronger productivity and less maintenance for operators. We continue to innovate so professionals can trust their equipment to perform at peak without compromise."
Conclusion: Key Takeaways on Track Roller 4340393 Cross-Reference
The track roller part 4340393 is a critical undercarriage component for John Deere 17D, 17G, and 17ZTS mini excavators and select Hitachi models. Its OEM cross-references — 4640798, FYD00004084, and Hitachi A7605000N00 — facilitate precise replacement and compatibility. Choosing high-quality parts like those from AFT Parts extends machine life, reduces maintenance, and ensures optimal performance. Proper maintenance, correct installation, and using trusted suppliers guarantee reliability in tough working conditions.
Frequently Asked Questions
1. Can the track roller 4340393 be used interchangeably between John Deere and Hitachi mini excavators?
Yes, this part fits both John Deere 17D, 17G, 17ZTS and Hitachi models like EX17U and ZX17 because of shared OEM specifications.
2. What maintenance is required for track rollers?
Regular inspection, cleaning, lubrication (if applicable), and timely replacement prevent wear and extend service life.
3. Where can I buy genuine AFT Parts track rollers?
Authorized aftermarket suppliers and AFT Parts distributors offer genuine replacements.
4. How to identify if a track roller needs replacement?
Look for excessive wear, cracks, noise, seal damage, or track misalignment.
5. Are AFT Parts compatible with OEM standards?
Yes, AFT Parts exceed or meet OEM specifications for fit and durability.