The 9R-8231 boom extension slide is a high-quality guide component used in CAT construction machinery boom extension systems. It ensures smooth telescopic movement, stabilizes the boom, and protects structural components from excessive wear.
It offers excellent sliding properties, high compressive strength, and long service life even under heavy-duty working conditions.
Specifications:
– OEM numbers: 9R8231
– Type: Boom extension slide
– Thickness: 17 mm
– Length: 200 mm
– Width: 110 mm
– Mounting hole spacing: 100 mm
– Mounting thread / bolts: M10
Key features & benefits:
– Large contact surface (200 × 110 mm): reduces surface pressure and extends service life.
– Precision manufacturing: accurate 100 mm hole spacing ensures easy and secure installation in CAT booms.
– M10 mounting: strong fastening prevents loosening during machine operation.
Application in machinery
|
Brand
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Machine Type
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Models
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Caterpillar (CAT)
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Backhoe Loaders
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416B, 416C, 426B, 426C, 428B, 428C, 436C, 438B, 438C, 446B
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The list above is for reference. It is crucial to verify the thread size (M10) on your machine.
Data sheet
Specific References
Manufacturer
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The 9R-8231 boom extension slide is a high-quality guide component used in CAT construction machinery boom extension systems. It ensures smooth telescopic movement, stabilizes the boom, and protects structural components from excessive wear.

















