Komatsu 4D102 / Cummins 4BT Crankshaft 3907803 / 6732-01-1320

Komatsu 4D102 / Cummins 4BT Crankshaft 3907803 / 6732-01-1320 – OEM Quality

✅ In stock – order now!

📄 Product Description:

This crankshaft fits Komatsu 4D102 and Cummins 4BT diesel engines, commonly used in excavators, loaders, generators, and industrial equipment. Built to OEM standards, it provides excellent durability, dynamic balance, and precise fitment – perfect for full engine rebuilds.

🔧 Compatibility:

Engine models:

  • Komatsu 4D102

  • Cummins 4BT (3.9L, inline 4-cylinder diesel)

Applications:

  • Komatsu construction equipment

  • Agricultural and utility machines

  • Generator and pump sets

  • Machines with Cummins 4BT engines

🔁 Cross-reference part numbers:

  • 3907803 (Cummins)

  • 6732-01-1320 (Komatsu)

🛠️ Specifications:

  • 4 connecting rod journals

  • Forged alloy steel

  • Heat-treated and precision-ground

  • Balanced: Dynamically

  • Condition: New

  • Warranty: 6 months

  • Packaging: Wooden crate or export-grade packaging

  • Shipping: Worldwide delivery available

🔍 Key Features:

  • OEM quality – matches Komatsu and Cummins specifications

  • Excellent mechanical endurance

  • Ideal for rebuilding 4BT or 4D102 engines

  • Ready for installation without modification

    Description

    Crankshaft for Komatsu 4D102 / Cummins 4BT diesel engines. OEM quality, forged steel, precision-balanced for reliable and efficient engine performance. Reference: 3907803 / 6732-01-1320.

    Additional information

    Catalog number 3907803 / 6732-01-1320
    City

    Guangzhou

    Manufacturer

    Komatsu