Komatsu 07444-66103 (0744466103) Hydraulic Gear Pump | Fits D80A-18 D85A-18 SD22
Komatsu 07444-66103 (0744466103) Hydraulic Gear Pump | Fits D80A-18 D85A-18 SD22
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Premium hydraulic gear pump designed as a direct OEM-compatible replacement for Komatsu heavy bulldozers, ensuring precision power transmission and high-pressure oil supply for blade lifting and ripper control systems. Built to deliver optimal volumetric efficiency, high flow stability, and extended durability under continuous high-load earthmoving operations.
Product Highlights
- Part Number: 07444-66103 / 0744466103
- Direct Fit OEM Replacement: Form, fit, mounting flange, and gear shaft specs match original Komatsu factory standards perfectly without requiring any modifications.
- Heavy-Duty Construction: Precision-cast high-strength alloy body with heat-treated alloy steel gears to withstand severe hydraulic pressures, thermal stress, and continuous heavy-duty dozing.
- Optimized Hydraulic Efficiency: Precision internal side plates and premium seal components minimize internal bypass, maintaining smooth blade response and quick hydraulic cycle times.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 07444-66103 / 0744466103 |
| Product Type | Heavy-Duty Hydraulic Gear Pump (Work Equipment) |
| Brand Compatibility | Komatsu / Shantui |
| Application | Main Hydraulic Work Equipment System (Blade & Ripper Control) |
| Material | High-Strength Alloy Body & Heat-Treated Gear Set |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
This premium hydraulic gear pump is precision-engineered to fit the following heavy machinery models:
- Komatsu Bulldozers: D80A-12, D80A-18, D80E-18, D80P-12, D80P-18, D85A-18, D85E-18, D85P-18
- Shantui Bulldozers: SD22 / SD22D / SD22E Series
Key Applications
- Bulldozer Work Equipment Hydraulics: Drives essential hydraulic functions including blade lifting, tilting, angling, and rear ripper operation.
- Heavy Construction & Mining Operations: Built to endure harsh operating environments in quarrying, land clearing, mining, and large-scale earthworks.
- Hydraulic System Power Restoration: Eliminates slow blade lift speeds, loss of breakout force, and hydraulic overheating caused by worn gear pumps.
Why Choose Our Aftermarket Komatsu 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 hydraulic flow performance at a fraction of the OEM replacement cost.
- Ready to Ship: Kept in stock for immediate worldwide dispatch to reduce machine 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 gear pump a genuine Komatsu part?
A: This is a premium-grade, OEM-compatible aftermarket replacement pump. It is engineered to exact Komatsu dimensional and performance specifications, serving as a direct drop-in replacement for part number 07444-66103.
Q: What is covered under the 12-month warranty?
A: Our 12-month warranty fully covers all manufacturing defects, internal wear failure, material defects, and oil leakage under standard operating conditions.
Q: Is this pump compatible with Shantui SD22 bulldozers?
A: Yes, the 07444-66103 gear pump is fully compatible with Shantui SD22 series bulldozers that utilize the Komatsu-style hydraulic system layout.
Q: How long does international shipping take?
A: In-stock orders are typically dispatched within 3–5 business days. We offer expedited courier shipping and global air freight options for urgent site repair needs.
Need a Quote for Komatsu 07444-66103?
Contact us today for the latest pricing, bulk discounts, and global shipping options.
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