Rolka dolna pasująca do minikoparek JCB 802 803 804
KERTRACK

Roller track bottom suitable for JCB 802 803 804 mini excavators

Catalog number:SKX513646KR Nr OEM:331/32806 Manufacturer:KERTRACK
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Part number: 331/32806
Alternative numbers: 232/54000, 332/W3498, 331/61309, 333/T5808
Type: Bottom / track roller
Manufacturer: High-quality aftermarket replacement
Machine class: 2.5 – 3.5 ton mini excavators

The 331/32806 bottom roller is a critical undercarriage component designed for JCB mini excavators 802, 803 and 804. Its primary function is to support the machine’s weight and guide the track chain smoothly along the undercarriage frame. This component operates under extreme conditions, constantly exposed to shock loads, abrasion, moisture and dirt.

Thanks to its robust construction and sealed design, the roller ensures long service life and reliable performance even during heavy-duty operation. A properly functioning bottom roller prevents uneven track wear and protects other undercarriage components from excessive stress.

Function and failure diagnostics:

Bottom rollers carry the full weight of the machine and maintain track stability. Failure of a single roller quickly accelerates wear of the entire undercarriage.

Common symptoms of wear:

  • oil leakage indicating damaged face seals,

  • loud noise, squealing or grinding during travel caused by worn bearings,

  • seized roller that no longer rotates, leading to flat spots on the tread,

  • excessive flange wear, which may cause the track to derail.

⚠️ Safety warning:

Working on tracked undercarriage components is extremely hazardous. Before replacing the roller, the track tensioner must be released, and the machine must be securely supported on certified stands. Failure to follow safety procedures can result in serious injury.

Application in machines

Brand

Type / Series / Model

JCB

Mini Excavators: 802, 802 Super, 802.4, 802.4 Super, 802.7, 802.7 Plus, 802.7 Super, 8025ZTS, 8027Z, 803, 803 Magnum, 803 Plus, 803 Super, 8030ZTS, 8032Z, 8035ZTS, 804, 804 Plus, 804 Super

The list above is for reference. It is crucial to verify the OEM part number or roller dimensions.

SKX513646KR
331/32806
9.00 kg

Data sheet

SUITABLE FOR
JCB
MACHINE TYPE
MINIEXCAVATOR
OEM NUMBERS
331/32806 / 232/54000 / 332/W3498/ 331/61309 / 333/T5808

Specific References

MPN
331/32806
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Roller track bottom suitable for JCB 802 803 804 mini excavators

Catalog number: SKX513646KR
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gross price

338.25 zł

net price
275,00 zł
Available in large quantity Temporarily unavailable
275,00 zł
net price

338.25 zł

gross price
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    PRODUCT SPECIFICATION
    SUITABLE FOR
    JCB
    MACHINE TYPE
    MINIEXCAVATOR
    OEM NUMBERS
    331/32806 / 232/54000 / 332/W3498/ 331/61309 / 333/T5808

    WE OFFER PRODUCTS OF THE BEST BRANDS

    SERWIS KOP Sp. z o.o. Sp.k.
    ul. Podkarpacka 57A, 35-082 Rzeszów
    NIP: 813-352-97-49 REGON: 180286726

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