Hyundai Excavator R305 Undercarriage Parts Track Adjuster Assembly

The Hyundai R305 track adjuster assembly is designed to maintain proper track tension and improve undercarriage stability during heavy-duty operation. Manufactured from high-strength materials with precision machining and durable sealing components, it delivers reliable performance and extended service life in demanding working environments.

Piston Rod40Cr / 42CrMo (Hard Chrome Plated)
Cylinder BodyQ345 / 45# Steel / 40Cr
Return Spring60Si2Mn / 65Mn Spring Steel
Cylinder Head / End Cap45# Steel / Cast Steel
Grease Nipple & FittingsCarbon Steel (Zinc Plated) / Stainless Steel
ColorsBlack 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.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW
Description

The Hyundai R305 track adjuster assembly is a critical component within the excavator undercarriage system, responsible for maintaining correct track tension and supporting smooth track movement during operation. Installed between the recoil spring and front idler assembly, the track adjuster helps absorb impact loads while preventing excessive track looseness or derailment under demanding working conditions. Designed as a durable replacement track tensioner for Hyundai R305 excavators, this assembly improves overall undercarriage stability and helps reduce abnormal wear on track links, rollers, and sprockets. Proper track tension is especially important for large crawler excavators operating in harsh environments where continuous movement, heavy loads, and uneven terrain place significant stress on the undercarriage system.

Material & Manufacturing Process

The track adjuster assembly is manufactured from high-strength steel and wear-resistant materials to ensure structural durability under continuous heavy-load operation. Critical components such as the adjuster cylinder, piston rod, and recoil spring housing are precision machined to maintain dimensional accuracy and stable assembly performance.

Advanced sealing systems are used to improve oil retention and reduce the risk of leakage during long-term operation. Heat treatment processes are applied to key load-bearing components to enhance strength, wear resistance, and fatigue durability.

Strict quality control throughout the manufacturing process ensures stable hydraulic performance and reliable operation under demanding construction and mining conditions.

Complete Structure Diagram

This detailed view shows the complete structure of the track adjuster, including the cylinder, piston, return spring, grease valve, and front mounting connection. It helps you understand its configuration and how the various components work together to maintain optimal track tension.

Cross-Sectional Drawing

The cross-sectional view shows the internal structure, highlighting key sealing points, grease chambers, and the piston stroke path. The diagram demonstrates the robust sealing system and precision machining that ensures smooth piston extension and contraction even under high pressure and high impurity environments.

The structure of the adjuster assembly

OEM Compatibility

This track adjuster assembly is specifically designed for:

Hyundai R305 Excavator

OEM reference numbers and technical drawings can be provided upon request for compatibility confirmation and cross-checking.

BRANDMACHINERY MODEL NUMBER
HYUNDAIR55R55-3R55-7R60R60-7R60CR-9R75-7R80
R80-7R80CR-9R130-5R130-7R140LC-9R145LCR-9R150R150LC-7
R160LC-3R180LC-3R200R200-5R210R210-3R210LC-3R210LC-7
R215-7R220-5R220LC-9R225-7R235LCR-9R250LC-3R260-5R260LC-9
R265R275R290R290LC-3R290LC-7R300R300-5R300LC-9
R305R320R320LC-9R330LC-9R360R360LC-9R380LC-9R385
R420R450-3R450-5R450LC-7R480LC-9R500LC-7AR520LC-9R800LC-7A
HX90AHX1000LHX130A LCRHX145LCRHX220LHX235LCRHX260LHX300L
HX330LHX380LHX480LHX520LHX800LHW100AHW140HW180
HW210       

Looking for a specific make or model not listed here? Reach out and we’ll be happy to assist.

Quality Control

Each track adjuster assembly undergoes strict inspection procedures before shipment, including dimensional verification, seal performance testing, hydraulic pressure inspection, and assembly quality checks. These inspections help ensure stable operation, reliable sealing performance, and accurate fitment within the excavator undercarriage system.

Conclusion

The Hyundai R305 track adjuster assembly is engineered for reliable track tension control, structural durability, and long-term undercarriage performance. With OEM-standard manufacturing, precision machining, and durable sealing technology, it provides a dependable solution for excavator undercarriage maintenance and replacement in demanding construction, mining, and earthmoving applications.

Shipping & Delivery

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.

excavator parts loading truck 4
excavator parts loading truck 2
excavator parts loading truck 1

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.

BULLDOZER UNDERCARRIAGE PARTS FOR INQUIRY NOW