Hydraulic Pump for CAT D10T Bulldozer Fan Drive
Part Numbers:
220-0780
220-0780 / 373-6630
2200780 / 3736630
359-6403
359-6447
Detailed Analysis:
1.Correlation of Part Numbers
• 220-0780is the primary part number. Other variants (e.g.,220-0780/373-6630,2200780/3736630) likely represent the same hydraulic pump but with different packaging or supplier coding formats.
• 359-6403and359-6447may be associated part numbers, such as components from different production batches, repair kit parts, or alternative models. Their specific applicability should be confirmed based on the repair scenario.
2.Product Characteristics
• Application: This hydraulic pump is specifically designed for the fan drive system of the CAT D10T bulldozer. It provides hydraulic power to drive the cooling fan, ensuring the engine maintains optimal operating temperatures under heavy-duty conditions.
• Technical Specifications:
• Pressure Rating: Typically high-pressure to meet the demanding requirements of the bulldozer's fan drive system.
• Flow Range: Adjusted to match the fan speed requirements for proper cooling system circulation.
• Structural Type: Mostly axial piston pumps, known for high efficiency and reliability.
• Compatibility: Must strictly match the hydraulic system interfaces, mounting dimensions, and electrical control protocols of the CAT D10T bulldozer to ensure seamless replacement.
3.Purchase Recommendations
• Original Equipment Manufacturer (OEM) Certification: Prioritize purchasing from Caterpillar (CAT) official or authorized suppliers to ensure quality meets OEM standards and avoid system failures caused by non-standard components.
• Part Number Verification:
• Confirm the part number matches the records in the equipment manual or CAT's official system to prevent incompatibility issues.
• If using alternative models (e.g.,359-6403or359-6447), verify their applicability through CAT dealers or technical teams.
• Supplier Selection:
• Official Channels: Purchase through CAT-authorized dealers or the official website to enjoy OEM warranty and technical support.
• Third-Party Suppliers: Choose reputable professional hydraulic component suppliers and request proof of part origin and quality inspection reports.
• Installation and Commissioning:
• Installation should be performed by professional technicians to ensure tight connections and reliable sealing between the hydraulic pump and the fan drive system.
• Conduct system pressure testing and fan speed calibration after installation to verify the hydraulic pump's performance meets standards.