Need a 6742-01-1570 that matches OEM quality, but don't want to pay expensive OEM prices? Our KOMATSU S6D114 crankshafts 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.

Product Specifications

ENGINE NO	S6D114
OEM/PART NO	6742-01-1570
Crankshaft Material	Forged steel 40Cr
Engine type	diesel engine
Application	PC360-7
Anti-rusty Coating	Yes

Key Features

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.

Quality Control

Each 6742-01-1570 undergoes multiple steps before shipping:

Forging and heat treatment to improve structure
Induction hardening for wear resistance
Precision grinding of journals for accuracy
Ultrasonic and magnetic inspections for internal and surface defects
Balance testing to minimize vibration in the engine

Third-party inspection reports can be provided when required.

6138 31 1110 ISO certification

Applications

product-1460-234

Packaging & Delivery

For 6742-01-1570, 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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FAQ (Answering Common Questions)

Q: What kind of steel is used here?

A: The crankshaft is produced with 40Cr forged steel. Compared with cast iron, it offers stronger impact resistance and better service life.

Q: Do you accept small trial orders?

A: Yes, we can provide 1–2 pieces for testing, and the sample cost can be deducted from a bulk order.

Q: What warranty is included?

A: 12 months. If we find a flaw, we recall the batch and pay the freigh.

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