CAT 2672755 (267-2755) Piston Pump | Fits 420E 430E 432E 434E 442E 444E

CAT 2672755 (267-2755) Piston Pump | Fits 420E 430E 432E 434E 442E 444E

Premium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar 420E, 430E, 432E, 434E, 442E, and 444E backhoe loaders. Built to deliver reliable hydraulic performance and long service life in demanding construction and earthmoving applications.

Product Highlights

• Part Number: 2672755 / 267-2755
• 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 backhoe loaders

Technical Specifications

• Part Number: 2672755 / 267-2755
• Product Type: Hydraulic Piston Pump
• Brand Compatibility: Caterpillar (CAT)
• Application: Hydraulic System
• Warranty: 12 Months

Compatible Models

This piston pump fits the following Caterpillar backhoe loaders:

• Caterpillar 420E Backhoe Loader
• Caterpillar 430E Backhoe Loader
• Caterpillar 432E Backhoe Loader
• Caterpillar 434E Backhoe Loader
• Caterpillar 442E Backhoe Loader
• Caterpillar 444E Backhoe Loader

Applications

• Hydraulic System
• Backhoe Loader Hydraulics
• Construction and Earthmoving Equipment
• Heavy Duty Excavation Applications

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 CAT 420E, 430E, 432E, 434E, 442E, or 444E backhoe loaders?
A: Common signs include slow or weak loader lift and tilt response, the backhoe dig function losing power or stalling under load, hydraulic oil overheating during normal operation, whining or knocking noise from the pump area, and visible hydraulic fluid leakage. The 420E, 430E, 432E, 434E, 442E, and 444E are widely used in construction and utility work — pump failure affects both the front loader bucket and rear backhoe digging performance simultaneously.

Q: Does the 2672755 fit all six backhoe loader models?
A: Yes, the 2672755 (267-2755) is designed as a direct OEM-compatible replacement for the CAT 420E, 430E, 432E, 434E, 442E, and 444E backhoe loaders. These models share the same pump mounting and hydraulic system architecture. Contact us with your backhoe serial number to confirm exact compatibility.

Q: What hydraulic functions does this pump support on a backhoe loader?
A: As the main hydraulic pump, it supplies flow to both front loader circuits (lift, tilt) and rear backhoe circuits (boom, stick, bucket, swing). It also supports auxiliary functions such as stabilizer legs and steering. A failing pump causes weak operation across all these functions — if only the loader or only the backhoe is affected, check for a control valve issue first.

Q: Should I flush the hydraulic system when replacing this pump on a backhoe loader?
A: Always. Flushing is essential — metal contaminants from the old pump can destroy the new pump within hours. Drain and replace all hydraulic oil, flush the system with clean oil, replace all filters, and refill with fresh Cat HYDO Advanced hydraulic oil. Backhoe loaders work in construction and utility applications where contamination risk is high — a thorough flush is critical for long pump life.

Q: What type of hydraulic oil is recommended for the CAT 420E, 430E, 432E, 434E, 442E, and 444E?
A: Caterpillar specifies Cat HYDO Advanced 10W or 30W depending on operating temperature. Backhoe loaders in construction and utility applications should use Cat-approved fluids to ensure long pump life and maintain warranty coverage.

Q: How do I confirm this is the correct pump for my backhoe loader?
A: Check the part number on your current pump — if it reads 2672755 or 267-2755, this is the correct replacement. If the label is worn or missing, provide your backhoe serial number and we will verify compatibility before you order.

Q: Does this pump come with mounting hardware or gaskets included?
A: The pump is supplied as a complete unit. Depending on your backhoe configuration, you may need separate mounting bolts, 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 piston pump? Contact us today for pricing, availability, and lead time information.

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