Komatsu 708-7W-00021 (7087W00021) Hydraulic Fan Motor | Fits D275A-5D Dozers
Komatsu 708-7W-00021 (7087W00021) Hydraulic Fan Motor | Fits D275A-5D Dozers
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Premium hydraulic fan motor designed as a direct OEM-compatible replacement for Komatsu heavy-duty crawler dozers, ensuring precise fan speed control and reliable engine cooling performance. Built to deliver optimal volumetric efficiency, high torque output, and an extended service life under extreme thermal and high-load jobsite conditions.
Product Highlights
- Part Number: 708-7W-00021 / 7087W00021
- Direct Fit OEM Replacement: Form, fit, and function match original Komatsu engineering specifications perfectly without requiring any mounting modifications.
- Heavy-Duty Construction: Manufactured with high-strength precision alloys and wear-resistant internal components to withstand continuous hydraulic pressures and high-temperature environments.
- Optimized Cooling Performance: Delivers smooth rotational torque to drive the cooling fan, maintaining stable engine operating temperatures and preventing thermal overloading.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 708-7W-00021 / 7087W00021 |
| Product Type | Heavy-Duty Hydraulic Fan Motor |
| Brand Compatibility | Komatsu |
| Application | Hydraulic Radiator Cooling Fan Drive System |
| Material | High-Strength Precision Alloys & Cast Materials |
| Warranty | 12 Months Warranty |
Compatible Models & Equipment
This premium hydraulic fan motor is precision-engineered to fit the following Komatsu heavy crawler dozers:
- Komatsu Crawler Dozers: D275A-5D
Key Applications
- Hydraulic Radiator Fan Drive: Drives the engine cooling fan efficiently to regulate coolant temperatures in heavy mining and earthmoving applications.
- Heavy-Duty Earthmoving & Mining: Built to endure severe operating temperatures, heavy dust, and continuous full-load dozing operations.
- System Efficiency Restoration: Restores lost fan speed, torque, and cooling capacity caused by worn internal motor components.
Why Choose Our Aftermarket Komatsu Motors?
- Guaranteed OEM Quality: Manufactured under strict ISO 9001 quality standards to match or exceed original equipment performance and service life.
- Cost-Effective Reliability: Premium dealer-level performance and precise fitment at a competitive aftermarket price.
- Ready to Ship: Maintained in stock for rapid dispatch to minimize machine downtime on critical jobsites.
- Expert Support: Backed by a full 1-year warranty and a dedicated team of heavy equipment hydraulic specialists.
Frequently Asked Questions (FAQ)
Q: Is this fan motor a direct replacement for Komatsu part number 708-7W-00021?
A: Yes, this is a premium OEM-compatible aftermarket replacement motor built to exact Komatsu dimensional and pressure specifications for direct drop-in installation.
Q: What is covered under the 12-month warranty?
A: Our 12-month warranty fully covers all manufacturing defects, material failures, and operational issues under standard working conditions.
Q: Should I flush the cooling fan hydraulic circuit before replacing the motor?
A: Yes, flushing the hydraulic circuit and replacing hydraulic oil filters prior to installation is strongly recommended to protect internal precision components from contamination.
Q: How long does international shipping take?
A: In-stock orders are processed and dispatched within 3–5 business days. Express freight options are available for urgent equipment repair needs.
Need a Quote for Komatsu 708-7W-00021?
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