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CAT 2387642 (238-7642) Gear Pump | Fits CW-16 CW34 CW-34 242B3 252B3 236B3 262B 252B 246B 236B CW16 259B3 277B 267B 287B 257B3

CAT 2387642 (238-7642) Gear Pump | Fits CW-16 CW34 CW-34 242B3 252B3 236B3 262B 252B 246B 236B CW16 259B3 277B 267B 287B 257B3

Premium hydraulic gear pump designed as a direct OEM-compatible replacement for Caterpillar (CAT) skid steer loaders, multi terrain loaders, and pneumatic rollers. Engineered to deliver exceptional volumetric efficiency, dependable high-pressure fluid delivery, and an extended service life in rugged earthmoving, paving, and compaction applications.

Product Highlights

  • Part Number: 2387642 / 238-7642
  • Direct Fit OEM Replacement: Form, fit, and function perfectly match original Caterpillar engineering specifications, guaranteeing a drop-in installation without any field modifications.
  • Heavy-Duty Construction: Built using high-strength cast materials and wear-resistant precision internal steel gears to withstand continuous high-load operations and intense hydraulic pressure spikes.
  • Optimized Efficiency: Precision pressure-balanced gear design minimizes internal friction, limits fluid bypass, and optimizes fuel and hydraulic system efficiency for your heavy machinery.

Technical Specifications

Parameter Specification
Part Number 2387642 / 238-7642
Product Type Heavy-Duty Hydraulic Gear Pump
Brand Compatibility Caterpillar (CAT)
Application Work Tool Implement & Auxiliary Hydraulic System
Material High-Strength Precision Alloys & Cast Materials
Warranty 12 Months Warranty

Compatible Models & Equipment

This premium replacement gear pump is precision-engineered to fit a wide range of Caterpillar compact construction and paving equipment:

  • CAT Skid Steer Loaders: 236B, 236B3, 242B3, 246B, 252B, 252B3, 262B
  • CAT Multi Terrain / Compact Track Loaders: 257B3, 259B3, 267B, 277B, 287B
  • CAT Pneumatic Tire Rollers: CW16, CW34, CW-16, CW-34

Key Applications

  • Loader Lift, Tilt, & Auxiliary Hydraulics: Powers smooth bucket lifting, quick tilting responses, and high-flow attachment systems on compact loaders.
  • Paving & Compaction Auxiliary Functions: Supplies reliable oil flow for steering systems and compaction spray/drive controls on pneumatic rollers.
  • Hydraulic Power Restoration: Restores peak hydraulic system pressure back to original OEM specs, resolving sluggish machine handling or weak lifting issues.

Why Choose Our Aftermarket CAT Pumps?

  • Guaranteed OEM Quality: Manufactured under strict ISO 9001 standards to ensure precise dimensional tolerance, housing strength, and performance output matching the factory unit.
  • Cost-Effective Solution: Receive dealer-level component reliability and equivalent operating lifetime at a much more competitive price point.
  • Ready to Ship: Fully stocked in our warehouse for immediate international dispatch, helping you minimize expensive job-site breakdown delays.
  • Industry-Leading Support: Confidently backed by a comprehensive 12-month warranty and supported by our highly responsive team of heavy machinery hydraulic experts.

Frequently Asked Questions (FAQ)

Q: Does this gear pump handle auxiliary high-flow attachments on B-series skid steers?

A: Yes, this 238-7642 pump is designed to deliver stable flow rates and high pressures necessary for standard and auxiliary implement systems, ensuring your attachments operate efficiently.

Q: How do I know if my loader's gear pump is beginning to fail?

A: Common warning signs include whining or chattering noises from the pump under load, slower cycle times when lifting attachments, or a distinct drop in breakout force once the hydraulic fluid gets hot.

Q: Are external O-rings or mounting gaskets included with the pump assembly?

A: The gear pump arrives pre-tested and fully sealed. To ensure an absolute leak-free replacement on your loader or roller lines, we strongly suggest using new external seals upon installation.

Q: What is your typical handling time for urgent machine-down orders?

A: Orders for in-stock parts are packaged and shipped within 3 to 5 business days. We provide global express air freight options to get your equipment back on the job as quickly as possible.


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