Wheel track idler suitable for JCB JS330 excavators - JSA0131
KERTRACK

Wheel track idler suitable for JCB JS330 excavators

Catalog number:SKX918831KR Nr OEM:JSA0131 Manufacturer:KERTRACK
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Idler Wheel Assembly suitable for JCB JS330 - JSA0131

Technical Specification and Compatibility

A reinforced JSA0131 idler wheel (front idler) manufactured by the renowned brand KERTRACK. This is a key undercarriage component, dedicated to heavy JCB crawler excavators of the JS330 series. The wheel is supplied as a complete unit ready for installation (body, shaft, seals, bushings), ensuring restoration of the track tensioning system's factory performance.

Part Number: JSA0131
Alternative Number: JSA0101
Component Type: Front Idler Wheel Assembly
Version: Complete (with seal group and shaft)
Manufacturer: KERTRACK

KERTRACK undercarriage products are synonymous with durability in harsh conditions. Thanks to advanced heat treatment processes (induction hardening) and high-quality floating seals, idler wheels from this brand guarantee long service life even when working in mud, sand, and quarries.

Features of KERTRACK JSA0131 Idler

Hardened Tread: The contact surface with the track chain is deeply induction hardened, drastically increasing resistance to abrasion and cracking.
Reinforced Structure: Cast steel body with optimized internal rib distribution withstands immense dynamic and static loads generated by a 33-ton machine.
Duo-Cone Sealing: The use of floating seals (Duo-Cone) ensures lifetime lubrication of internal bushings and the shaft, protecting them from contaminants.
Precise Guidance: Perfectly profiled central flange stabilizes the track chain, preventing de-tracking during maneuvering.

Application in machinery

Machine Type Models
Crawler Excavators JCB JS330 (various series: Auto, LC, NLC - check dimensions)

Compatibility may depend on the machine's serial number and undercarriage version. We recommend verifying yoke dimensions before purchase.

Related Parts and Hardware

The idler wheel works directly with the track chain and the tensioner cylinder (spring). When replacing the wheel, it is worth assessing the condition of chain links and the proper operation of the hydraulic tensioner.

⚠️ Safety Warning

A damaged or seized idler wheel causes excessive motion resistance, leading to accelerated wear of the entire undercarriage (chain, rollers, sprockets) and track derailment, which poses a danger when working on slopes.

Part Role in the Machine and Failure Diagnostics

The idler wheel is responsible for maintaining proper track tension and guiding it at the front of the undercarriage.

  • › Noise and squeaking (seized bearings/bushings inside the wheel).
  • › Wheel side play (worn bushings or shaft).
  • › Oil leak from the wheel hub.
  • › Uneven wear of the guide rail (track derailment).

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🔧 Expert Guide: Key Installation Tips

  1. Check Yokes: Before installing the new wheel, check the condition of the tensioner yokes (brackets). If they are worn, the new wheel will have play.
  2. Track Tension: After mounting the wheel, track tension adjustment according to the machine's manual (track sag) is mandatory. Overtightened track destroys the undercarriage.
  3. Clean Tensioner: This is the perfect moment to clean the tensioner spring chamber of mud and stones, ensuring its proper shock-absorbing operation.

Frequently Asked Questions (FAQ)

Does the wheel come with brackets?

No, the product is the complete idler wheel (roller + shaft + seals). The mounting brackets (yokes) that attach the wheel to the tensioner are not included and are usually a reusable part.

Do I need to add oil to the wheel?

KERTRACK wheels are factory-filled with oil and sealed for life ("maintenance-free"). They do not require periodic lubrication maintenance.

Does it fit JS220?

No. The JS220 is a smaller machine and uses different undercarriage components. This wheel is dedicated to the larger JS330 series (33-ton class).

Question mark

Do you have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you select the right part to get your equipment back to work as quickly as possible.

SKX918831KR
JSA0131
197.00 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
EXCAVATOR
OEM NUMBERS
JSA0131 / JSA0101

Specific References

MPN
JSA0131
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Wheel track idler suitable for JCB JS330 excavators

Catalog number: SKX918831KR
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gross price

2,581.77 zł

net price
2099,00 zł
Available in large quantity Temporarily unavailable
2099,00 zł
net price

2,581.77 zł

gross price
Nie możesz dodać więcej produktów
  • You will receive 210 points, it gives you 84.00 zł
  • Lowest price from 30 days before the discount: 2,581.77 zł
    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    EXCAVATOR
    OEM NUMBERS
    JSA0131 / JSA0101

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