CAT 2200780 (220-0780) Piston Pump | Fits D10T Bulldozer

CAT 2200780 (220-0780) Piston Pump | Fits D10T Bulldozer

Premium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar D10T crawler tractor. Built to deliver consistent hydraulic performance and long service life in demanding mining, quarry, and heavy earthmoving applications.

Product Highlights

• Part Number: 2200780 / 220-0780
• Direct Fit: No modifications required
• High Performance: Meets or exceeds original Caterpillar specifications
• Durable Construction: Precision-engineered for long service life
• Wide Application: Suitable for mining, quarry, and heavy earthmoving projects

Technical Specifications

• Part Number: 2200780 / 220-0780
• Product Type: Variable Displacement Piston Pump
• Brand Compatibility: Caterpillar (CAT)
• Application: Hydraulic System
• Warranty: 12 Months

Compatible Models

This piston pump fits the following Caterpillar bulldozer:

• Caterpillar D10T Crawler Tractor

Applications

• Bulldozer Blade Lift and Tilt Functions
• Bulldozer Ripper and Winch Systems
• Heavy-Duty Grading and Land Clearing Operations
• Mining, Quarry, and Heavy Earthmoving Projects

Why Choose This Pump?

• Quality Guaranteed - Manufactured to meet OEM standards
• Ready to Ship - In stock and available for immediate dispatch
• Expert Support - Technical assistance available
• Competitive Pricing - Cost-effective alternative to dealer parts

Frequently Asked Questions

Q: What are the symptoms of a failing hydraulic piston pump on a CAT D10T bulldozer?
A: Common signs include slow or weak blade lift and tilt response, the ripper or winch operating at reduced power or failing to engage, the dozer struggling to move under load, hydraulic oil overheating, unusual whining or knocking from the pump area, and visible hydraulic fluid leakage. The D10T is a 70-ton+ mining-class machine — hydraulic pump failure will cause significant productivity loss and should be addressed promptly.

Q: What hydraulic systems does this pump support on the D10T?
A: The 2200780 is the main hydraulic pump supplying flow to the blade lift and tilt circuits, ripper system, and winch on the D10T crawler tractor. A failing pump will cause sluggish or unresponsive blade control, weak ripping performance, and reduced dozing capability. These symptoms typically develop gradually over time.

Q: Is the D10T a demanding application for hydraulic pumps?
A: Yes, absolutely. The D10T operates in the most demanding conditions — mining, quarrying, and heavy rock earthmoving. The hydraulic pump works continuously under extreme loads. This is one of the largest Caterpillar machines, and replacement pumps must meet the high pressure and flow demands of D10T applications. This OEM-compatible unit is engineered to those specifications.

Q: Should I flush the hydraulic system when replacing this pump on the D10T?
A: Always. Flushing the hydraulic system is essential. The D10T hydraulic system operates at very high pressures, and metal contaminants from a failed pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system thoroughly, replace filters, and refill with fresh Cat HYDO Advanced hydraulic oil. We strongly recommend professional installation — D10T hydraulic systems require specialized tools and expertise.

Q: What type of hydraulic oil is recommended for the CAT D10T?
A: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on ambient operating temperature. Given the D10T's high-pressure hydraulic system and demanding application, never use non-formulated hydraulic fluids — doing so can cause immediate pump failure and void any warranty. Always use fresh, clean Cat-approved hydraulic oil during and after installation.

Q: How do I confirm this is the correct pump for my D10T?
A: Check the part number on your current pump — if it reads 2200780 or 220-0780, this is the correct replacement. If the label is worn, provide your D10T serial number and we will verify compatibility before you order.

Q: Does this pump come with mounting hardware or include gaskets?
A: The pump is supplied as a complete unit. Depending on your D10T configuration, you may need separate mounting hardware, gaskets, or O-rings. Contact us with your serial number and we will confirm exactly what is included and what additional parts you may need for installation.

Q: What is the warranty on this hydraulic piston pump?
A: This piston pump comes with a 12-month warranty covering manufacturing defects. The warranty does not cover damage caused by contaminated hydraulic oil, improper installation, failure to flush the hydraulic system, or using non-CAT approved hydraulic fluids.

Looking for this hydraulic pump? Contact us today for pricing, availability, and lead time information.

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