CAT 2220104 (222-0104) Main Hydraulic Piston Pump for Excavator | Fits 320B 320B L 321B
CAT 2220104 (222-0104) Main Hydraulic Piston Pump for Excavator | Fits 320B 320B L 321B
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Premium main hydraulic piston pump designed as a direct OEM-compatible replacement for Caterpillar (CAT) 320B series excavators, ensuring smooth multi-function response and powerful hydraulic force transmission. Built to deliver optimal volumetric efficiency, stable working pressure, and an extended service life under heavy digging and lifting operations.
Product Highlights
- Part Number: 2220104 / 222-0104
- Direct Fit OEM Replacement: Form, fit, pilot mounting, and port connections match original Caterpillar engineering specifications perfectly without requiring any modifications.
- Heavy-Duty Construction: Manufactured with high-strength alloy housings, wear-resistant cylinder blocks, and precision-ground swashplates to handle high peak pressures and continuous heavy workload.
- Optimized Hydraulic Efficiency: Advanced variable displacement piston design minimizes internal friction, ensures fast boom and bucket response, and improves operational fuel efficiency.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2220104 / 222-0104 |
| Product Type | Main Hydraulic Variable Displacement Piston Pump |
| Brand Compatibility | Caterpillar (CAT) |
| Application | Main Hydraulic System (Boom, Stick, Bucket & Travel Functions) |
| Material | High-Strength Alloy Steel & Cast Iron Construction |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
This premium main hydraulic piston pump is precision-engineered to fit the following Caterpillar excavators:
- Caterpillar Excavators: 320B, 320B L, 320B N, 320B LL
- Caterpillar Compact Radius Excavators: 321B CR
Key Applications
- Excavator Main Hydraulic System: Drives vital working functions including boom lift, stick crowd, bucket curl, swing, and track travel movements.
- Earthmoving & Demolition: Built to withstand demanding duty cycles in civil engineering, road construction, demolition, and quarrying sites.
- Hydraulic System Restoration: Restores original digging force, quick cycle times, and smooth compound movements to OEM performance levels.
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 222-0104.
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 operating conditions.
Q: Does this pump come pre-lubricated or ready for direct installation?
A: The pump arrives ready for installation. We highly recommend thorough hydraulic system flushing, replacing oil filters, and priming the pump housing with fresh hydraulic oil before initial startup.
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 2220104?
Contact us today for the latest pricing, bulk discounts, and shipping availability.
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