CAT CP-54, CP-533E, CS-533E, CS-54 Gear Pump | Part No. 2550625 (255-0625)

CAT 2550625 (255-0625) Gear Pump | Fits CP-54 CP-533E CS-533E CS-54 Compactor

Premium hydraulic gear pump designed as a direct OEM-compatible replacement for Caterpillar CP-54, CP-533E, CS-533E, and CS-54 vibratory compactors. Built to deliver reliable hydraulic flow for drum drive and steering systems in demanding road construction and earthwork applications.

Product Highlights

• Part Number: 2550625 / 255-0625
• 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 road construction, earthwork, and site compaction projects

Technical Specifications

• Part Number: 2550625 / 255-0625
• Product Type: Hydraulic Gear Pump
• Brand Compatibility: Caterpillar (CAT)
• Application: Hydraulic System
• Warranty: 12 Months

Compatible Models

This gear pump fits the following Caterpillar compactor models:

• Caterpillar CP-54 Vibratory Soil Compactor
• Caterpillar CP-533E Vibratory Soil Compactor
• Caterpillar CS-533E Vibratory Soil Compactor
• Caterpillar CS-54 Vibratory Soil Compactor

Applications

• Hydraulic Gear Pump Replacement
• Drum Drive and Steering System
• Vibratory System Hydraulic Supply
• Road Construction and Earthwork Projects

Why Choose This Gear 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 gear pump on CAT CP-54, CP-533E, CS-533E, or CS-54 vibratory compactors?
A: Common signs include loss of hydraulic power to drum drive or steering systems, weak or absent vibratory drum function, erratic or slow steering response, unusual noise (knocking or whining) from the hydraulic pump area, visible oil leakage around the pump, and overheating of the hydraulic system. CAT vibratory compactors are widely used in road construction and earthwork — a failing gear pump causes loss of compaction performance and project delays.

Q: Does the 2550625 fit all four compactor models?
A: Yes, the 2550625 (255-0625) is designed as a direct OEM-compatible replacement for the CAT CP-54, CP-533E, CS-533E, and CS-54 vibratory soil compactors. These models share the same hydraulic pump mounting and drive specifications. Contact us with your compactor serial number to confirm exact compatibility.

Q: What does the gear pump do on these CAT vibratory compactors?
A: The hydraulic gear pump supplies pressurized hydraulic fluid to the compactor's drum drive, steering, and vibratory system circuits. These functions are critical for effective soil compaction — without proper hydraulic pressure, the drum vibration weakens and the compactor cannot achieve the required soil density, resulting in substandard roadbed preparation.

Q: Should I inspect the hydraulic system when replacing this gear pump on a compactor?
A: Yes. Before installing the new gear pump, inspect all hydraulic lines, fittings, filters, and the hydraulic tank for contamination, discoloration, or metal particles. A failed gear pump often sheds metal debris throughout the hydraulic system. Flushing all hydraulic lines, replacing the hydraulic oil and filter, and checking for leaks is essential before startup.

Q: What type of hydraulic oil is recommended for the gear pump circuit on these CAT compactors?
A: Caterpillar specifies Cat HYDO Advanced 10W or 30W hydraulic oil for the gear pump hydraulic circuit. Using non-CAT approved hydraulic fluids can cause accelerated wear, seal failure, and void the warranty. For compactors working in dusty road construction and earthwork applications, more frequent hydraulic oil and filter changes are recommended.

Q: How do I confirm this is the correct gear pump for my CAT compactor?
A: Check the part number on your current gear pump — if it reads 2550625 or 255-0625, this is the correct replacement. If the label is worn or missing, provide your compactor serial number and we will verify compatibility before you order.

Q: Does this gear pump come with mounting hardware or gaskets included?
A: The gear pump is supplied as a complete unit. Depending on your compactor configuration, you may need separate mounting bolts, hydraulic fittings, 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 gear pump?
A: This gear 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, using the wrong hydraulic oil type, or operating the compactor with a damaged hydraulic system.

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

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