What is the undercarriage of a mini excavator?

The undercarriage consists of all components that allow the mini excavator to move on tracks. It includes lower rollers, upper rollers, the sprocket, the idler wheel, and the track assembly (chain and pads). This system transmits power from the travel motor to the ground and supports the machine's weight while moving. It is one of the most heavily used assemblies of the machine, especially on abrasive or wet terrain.

What is the name of the bearing in a mini excavator's undercarriage?

The term commonly used is "undercarriage" or "track system." Each component has its own designation: the sprocket is the drive sprocket, lower rollers support the track on the ground, upper rollers guide it higher up. The entire assembly is sometimes referred to as the "carrier frame" in manufacturer manuals, but construction professionals generally use "undercarriage" or simply "track."

What are common undercarriage problems on a mini excavator?

The most frequent failures are oil leaks on the rollers (failed seal), worn sprocket teeth (loss of traction), excessive track elongation, and track slippage. In muddy terrain, hardened dirt buildup around the sprocket and rollers accelerates these failures. Regular cleaning and track tension checks before each job help prevent most breakdowns.

Used Mini Excavator Undercarriage

Equalizer bar for CATERPILLAR 963C
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Equalizer bar for CATERPILLAR D4H
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GALET INFERIEUR X10
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Idler for BOBCAT E85
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Idler for CATERPILLAR 312E
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Idler for CATERPILLAR 312E
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Idler for CATERPILLAR 315FLCR
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Idler for CATERPILLAR 336E
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Idler for CATERPILLAR 349EL
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Idler for HITACHI ZX280LCN-3
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Idler for HITACHI ZX85USBLCN-3
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Idler for KOMATSU HB215LC-1
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Idler for KUBOTA KX080-4
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Idler for KUBOTA KX161
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Idler for KUBOTA U36-4
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Idler for LIEBHERR LR632
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Idler for LIEBHERR R914HDSL
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Idler for LIEBHERR R914HDSL
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Idler for LIEBHERR R916 ADVANCED
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Used Mini Excavator Undercarriage: Protecting Rollers and Sprocket in Muddy Conditions - page 11

1148 produits disponibles

Equalizer bar for CATERPILLAR 963C

Equalizer bar for CATERPILLAR 963C

Equalizer bar for CATERPILLAR D4H

Equalizer bar for CATERPILLAR D5H

Equalizer bar for CATERPILLAR D6H

Equalizer bar for CATERPILLAR D6MXL

Equalizer bar for CATERPILLAR D6TXW

Equalizer bar for LIEBHERR LR622

Equalizer bar for LIEBHERR LR622

Equalizer bar for LIEBHERR LR634

GALET INFERIEUR X10

Idler for BOBCAT E85

Idler for BOBCAT E85

Idler for CATERPILLAR 312E

Idler for CATERPILLAR 312E

Idler for CATERPILLAR 315FLCR

Idler for CATERPILLAR 315FLCR

Idler for CATERPILLAR 336E

Idler for CATERPILLAR 349EL

Idler for CATERPILLAR 349EL

Idler for HITACHI ZX280LCN-3

Idler for HITACHI ZX280LCN-3

Idler for HITACHI ZX85USBLCN-3

Idler for HITACHI ZX85USBLCN-3

Idler for KOMATSU HB215LC-1

Idler for KOMATSU HB215LC-1

Idler for KUBOTA KX080-4

Idler for KUBOTA KX080-4

Idler for KUBOTA KX161

Idler for KUBOTA U36-4

Idler for KUBOTA U36-4

Idler for LIEBHERR LR632

Idler for LIEBHERR LR632

Idler for LIEBHERR R914HDSL

Idler for LIEBHERR R914HDSL

Idler for LIEBHERR R916 ADVANCED