Hydraulic Pump Caterpillar D8R 139-4151 / 421-1808

Hydraulic Pump Caterpillar D8R 139-4151 / 421-1808

Ramp offers to buy: Hydraulic Pump 139-4151 / 421-1808 for Caterpillar D8R Bulldozer

✅ In stock – order now

📄 Product Description:

OEM-quality hydraulic pump designed for the Caterpillar D8R bulldozer. This high-pressure pump delivers stable hydraulic flow to key systems including blade lift/tilt, ripper, and steering hydraulics. Engineered for maximum durability, strong output, and consistent performance in heavy-duty earthmoving, mining, and large construction operations.

🔧 Compatibility (Applications):

Applicable Model:

  • Caterpillar D8R Bulldozer

Part Numbers:

  • 139-4151

  • 421-1808

Type: Hydraulic Main Pump

Function: Supplies high-pressure hydraulic power to main operational systems.

🔁 Cross-reference / OEM Numbers:

139-4151, 1394151,

421-1808, 4211808,

and equivalent CAT hydraulic pump references.

🛠 Specifications:

  • Manufacturer: OEM / Caterpillar-approved supplier

  • Category: High-pressure hydraulic pump

  • Condition: New replacement

  • Design: Heavy-duty axial/gear pump (model-dependent)

  • Performance: Stable flow under extreme load cycles

  • Housing: Reinforced high-strength steel

  • Packaging: Export-grade wooden crate with internal protection

⭐️ Key Features:

  • Direct-fit replacement for CAT D8R

  • Reliable hydraulic power for blade and ripper systems

  • Long service life in high-load environments

  • Factory-calibrated to meet CAT OEM specifications

  • Suitable for mining, large civil works, and 24/7 heavy-duty operation

    Buy!  Hydraulic Pump Caterpillar D8R 139-4151 / 421-1808

    The Hydraulic Pump 139-4151 / 421-1808 is an OEM-grade high-performance pump offering stable pressure, strong output, and long-term reliability for Caterpillar D8R bulldozers.

    ✅ In stock – order now.

    Catalog number 139-4151 / 421-1808
    City

    Guangzhou

    Manufacturer

    Caterpillar