Crankshaft for Komatsu 12v140

KOMATSU 12V140 crankshaft start with 40Cr forgings from China's top mills, are finished and balanced in our own facility, and then come with a full 12-month warranty. If we find a material or workmanship problem, even before you do, we'll recall the lot and cover shipping, no matter how high the cost. Same torque, less budget, less risk.

• Forged for strength – Manufactured from 40Cr steel, giving higher tensile strength than standard cast iron crankshafts.
• Wear resistant – Surface induction hardening forms a layer around 3–5 mm deep, hardness up to HRC 52–58.
• Smooth operation – Balanced and ground journals reduce vibration and extend bearing life.
• Direct replacement – Built to Komatsu standards, no modification required for installation.
• Reliable in multiple uses – Suitable for excavators, loaders, and generator applications.

Each KOMATSU 12V140 crankshaft undergoes multiple steps before shipping:

Third-party inspection reports can be provided when required.

For KOMATSU 12V140 crankshaft, packed in raw wood or plywood export cases with protective oil coating and plastic caps. Standard stock units can usually ship within 72 hours. Larger or custom orders follow production scheduling

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