CAT 4551846 (455-1846) Piston Pump | Fits 950M 962 950 950L 962M 950MZ 962L 962MZ
CAT 4551846 (455-1846) Piston Pump | Fits 950M 962 950 950L 962M 950MZ 962L 962MZ
Premium hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar (CAT) wheel loaders, ensuring precision control and reliable power transmission. Built to deliver optimal volumetric efficiency, high-pressure performance, and an extended service life in demanding material handling, construction, and earthmoving applications.
Product Highlights
- Part Number: 4551846 / 455-1846
- Direct Fit OEM Replacement: Form, fit, and function match original Caterpillar engineering specifications perfectly without requiring any modifications.
- Heavy-Duty Construction: Manufactured with high-strength alloys and wear-resistant precision internal parts to withstand extreme hydraulic pressures and continuous high-load operations.
- Optimized Efficiency: Advanced piston and valve plate design minimizes internal friction, ensures smooth hydraulic flow, and optimizes fuel efficiency for your heavy equipment.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4551846 / 455-1846 |
| Product Type | Heavy-Duty Hydraulic Piston Pump |
| Brand Compatibility | Caterpillar (CAT) |
| Application | Main Hydraulic & Steering System |
| Material | High-Strength Precision Alloys & Cast Materials |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
This premium piston pump is precision-engineered to fit the following Caterpillar wheel loaders:
- Caterpillar 950 / 950L / 950M / 950MZ
- Caterpillar 962 / 962L / 962M / 962MZ
Key Applications
- Wheel Loader Implement & Steering Hydraulics: Powers essential bucket lifting, tilting, steering response, and heavy attachments management functionalities.
- Material Handling & Infrastructure: Built to withstand rigorous duty cycles in quarry operations, industrial logistics, and tough infrastructure construction sites.
- System Pressure Restoration: Restores original quick hydraulic cycle times, lifting capacity, and breakout force back to OEM standards.
Why Choose Our Aftermarket CAT Pumps?
- Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original equipment performance and durability.
- Cost-Effective Solution: Achieve premium dealer-level reliability and identical performance at a fraction of the OEM replacement price.
- Ready to Ship: Kept in stock for immediate worldwide dispatch to reduce your machine's idle downtime significantly.
- Industry-Leading Support: Backed by a full 1-year warranty and a team of professional heavy machinery hydraulic technical experts.
Frequently Asked Questions (FAQ)
Q: Is this piston pump a genuine Caterpillar part?
A: This is a premium-grade, OEM-compatible aftermarket replacement pump. It is engineered to exact CAT dimensional and technical standards, serving as a direct drop-in replacement for part number 455-1846.
Q: What is covered under the 12-month warranty?
A: Our 12-month warranty fully covers all manufacturing defects, material failures, and workmanship issues under standard and proper operating conditions.
Q: Does this pump come pre-lubricated or ready for direct installation?
A: The pump arrives ready for installation. We highly recommend standard system flushing and filling with fresh hydraulic oil before initial startup to protect internal precision components.
Q: How long does international shipping take?
A: In-stock orders are typically dispatched within 3–5 business days. We offer expedited shipping and global air freight options for emergency machine breakdown situations.
Need a Quote for CAT 4551846?
Contact us today for the latest pricing, bulk discounts, and shipping availability.
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