CAT 1838403 (183-8403) Charge Pump | Fits D8R D8R II D8GC Bulldozer

CAT 1838403 (183-8403) Charge Pump | Fits D8R D8R II D8GC Bulldozer

Premium hydraulic charge pump designed as a direct OEM-compatible replacement for Caterpillar D8R, D8R II, and D8GC crawler tractors. Built to maintain consistent charge pressure in closed-loop hydraulic circuits and deliver long service life in demanding mining, quarry, and earthmoving applications.

Product Highlights

• Part Number: 1838403 / 183-8403
• 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 earthmoving projects

Technical Specifications

• Part Number: 1838403 / 183-8403
• Product Type: Hydraulic Charge Pump
• Brand Compatibility: Caterpillar (CAT)
• Application: Hydraulic System
• Warranty: 12 Months

Compatible Models

This charge pump fits the following Caterpillar bulldozers:

• Caterpillar D8R Crawler Bulldozer
• Caterpillar D8R II Crawler Bulldozer
• Caterpillar D8GC Crawler Bulldozer

Applications

• Bulldozer Closed-Loop Hydraulic Charge Circuit
• Bulldozer Pilot System Pressure Supply
• Heavy-Duty Grading and Land Clearing Operations
• Mining, Quarry, and 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: Is this pump an original Caterpillar part?

A: This is an OEM-compatible aftermarket replacement that meets or exceeds Caterpillar specifications.

Q: What is the warranty period?

A: This pump comes with a 12-month warranty covering manufacturing defects.

Q: Do you offer bulk pricing?

A: Yes, we offer competitive bulk pricing for dealers and fleet operators. Contact us for a quote.

Q: What is the lead time?

A: Standard items typically ship within 3-5 business days. Contact us for expedited options.

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

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