Digger Undercarriage Parts Track Adjuster Assembly fit Kubota Excavator
Durable and compact Track Adjuster Assembly engineered for Kubota excavators, delivering reliable tensioning, smooth recoil action, and enhanced undercarriage stability across diverse jobsite conditions.
| Piston Rod | 40Cr / 42CrMo (Hard Chrome Plated) |
|---|---|
| Cylinder Body | Q345 / 45# Steel / 40Cr |
| Return Spring | 60Si2Mn / 65Mn Spring Steel |
| Cylinder Head / End Cap | 45# Steel / Cast Steel |
| Grease Nipple & Fittings | Carbon Steel (Zinc Plated) / Stainless Steel |
| Colors | Black or yellow or customized |
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Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
Kubota excavators are widely known for their compact build, fuel efficiency, and dependable operation in agriculture, municipal engineering, landscaping, and utility trenching. To maintain this level of performance, the undercarriage requires a responsive and long-life Track Adjuster Assembly. This component ensures the track chain remains properly tensioned, preventing slack, misalignment, and premature undercarriage wear. For Kubota machines—many of which rely on a lightweight but highly active track system—the adjuster is fundamental to preserving smooth travel, accurate steering, and stable digging operation.
Engineered for Kubota Compact Undercarriage Systems
Kubota’s compact crawler structure differs from many other manufacturers due to its close-coupled track frame, shorter idler distance, and optimized ground-contact geometry. The Track Adjuster Assembly must therefore operate efficiently within a confined space while still providing strong hydraulic support and controlled recoil movement.
The adjuster cylinder is crafted from refined alloy steel, incorporating high-density forging to ensure structural strength despite its comparatively smaller size. Its piston rod undergoes deep hard-chrome plating to protect against sand abrasion, fertilizer corrosion (common in agricultural settings), and impact during track tension fluctuations. Precision-cut surfaces and smooth sealing grooves ensure consistent hydraulic response, even under long hours of continuous digging or travel.
Reliable Track Tensioning Performance
Kubota excavators often switch rapidly between fine-grading, digging, loading, and short-distance travel. Such operations cause frequent load changes across the undercarriage. The Track Adjuster Assembly ensures:
- stable tension retention during rapid travel direction changes
- reduced chain vibration, especially on compacted soil or paved ground
- improved steering accuracy for tight-radius turning
- lower risk of derailment in muddy or uneven terrain
- extended lifespan of idlers, sprockets, and track links
Because Kubota machines frequently operate in agricultural fields and narrow urban workspaces, maintaining proper tension is crucial to avoid unexpected downtime or uneven track wear.
Perfect Fit for Kubota Excavator Models
This Track Adjuster Assembly is tailored to Kubota excavators and fits a wide range of models commonly used worldwide, including the KX series, U series, and KX-U hybrid series. Each adjuster is produced to match OEM mounting dimensions, piston travel specifications, and seal performance standards.
This ensures seamless installation and restores factory-level tensioning behavior once installed.
Manufacturing Quality & Material Assurance
To ensure durability across varied working environments—from farmland to roadwork—the Kubota-style adjuster is built using a strict production sequence:
- Forged cylinder body for high internal strength
- CNC-machined surfaces for precise piston and seal fitment
- Multi-layer hard-chrome coating for erosion and abrasion resistance
- Heat-treated recoil spring for predictable compression and rebound
- Pressure-holding tests simulating real working conditions
These processes allow the adjuster to maintain optimal hydraulic pressure and recoil movement throughout thousands of operation hours.
OEM Reference
OEM reference numbers, model compatibility lists, and installation notes are available upon request.
All adjusters are produced to OEM-equivalent specifications for guaranteed fitment.
| BRAND | MACHINERY MODEL NUMBER | |||||||
|---|---|---|---|---|---|---|---|---|
| KUBOTA | U10 | U15 | U17 | U20 | U25 | U27 | U30 | U35 |
| U45 | U48 | U50 | U55 | U57 | U60 | U65 | U70 | |
| U75 | U80 | KX36 | KX41 | KX61 | KX71 | KX91 | KX121 | |
| KX161 | KX41-2 | KX057 | KX71-3 | KX080 | KX91-3 | KX121-3 | KX161-3 | |
| KX018 | KX019 | KX027 | KX030 | KX037 | KX040 | KX057-4 | KX080-4 | |
| RX201 | RX203 | RX301 | RX302 | RX303 | RX304 | RX306 | RX401 | |
| RX402 | RX403 | RX405 | RX406 | RX502 | RX503 | RX504 | RX505 | |
| RX506 | RX601 | RX602 | RX603 | RX604 | RX605 | RX606 | RX701 | |
| RX702 | RX703 | RX704 | ||||||
Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.
Application Scenarios
Kubota excavators are frequently used in environments that challenge the track system—soft farmland soil, muddy trenches, compact urban lots, and hard surface transitions. The Track Adjuster Assembly provides the tension stability needed to:
- maintain smooth track rotation
- reduce shock loading while traveling across mixed terrain
- ensure reliable movement through narrow or restricted jobsite spaces
- minimize maintenance intervals for the entire undercarriage system
For contractors, farmers, or utility crews, a dependable adjuster directly contributes to productivity and machine uptime.
Durability & Maintenance Considerations
Thanks to corrosion-resistant materials and improved sealing structure, this adjuster is capable of enduring long-term exposure to moisture, mud, agricultural chemicals, and construction debris. Routine inspection of track tension, cleaning the adjuster housing, and ensuring the grease channel remains unobstructed will further extend service life.
Even under continuous operation, the adjuster retains consistent pressure and smooth sliding behavior, supporting Kubota’s reputation for reliability.
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
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Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
