Koamtsu Excavator Parts Crankshaft 8-97112-981-2

Komatsu Excavator Parts Crankshaft 8-97112-981-2

The crankshaft is a crucial component of the excavator's engine, converting the linear motion of the pistons into rotational motion to drive the excavator's machinery. Here are some essential details about Komatsu excavator crankshafts:

Key Functions of a Crankshaft:

• Converts Linear to Rotational Motion: Transforms the up-and-down motion of the pistons into rotational motion.
• Drives Other Engine Components: Powers other engine components through timing gears or chains, such as the camshaft, oil pump, and alternator.

Common Issues:

• Wear and Tear: Over time, crankshafts can develop wear at the bearing surfaces.
• Cracks: Crankshafts can crack due to stress or improper maintenance.
• Out-of-Balance: An imbalanced crankshaft can cause vibration and additional wear on the engine.

Maintenance and Replacement:

• Regular Inspection: Inspect for wear, cracks, and balance issues.
• Lubrication: Ensure proper lubrication to minimize wear.
• Replacement: Use OEM parts for reliability and compatibility.

OEM vs. Aftermarket Parts:

• OEM (Original Equipment Manufacturer): Ensures compatibility and reliability, made by Komatsu or their designated manufacturers.
• Aftermarket Parts: Often cheaper but can vary in quality and fit.

Purchasing Tips:

• Verify Part Number: Ensure the crankshaft matches your excavator model.
• Authorized Dealers: Purchase from authorized Komatsu dealers to avoid counterfeit parts.
• Warranty and Return Policies: Check for warranties and return policies.

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