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The Komatsu D65-16, D65-17, D65-18, D85-3, and GD755-5 Fan Pump / Auxiliary Pump (part numbers 708-1S-00460 and 708-1S-00290) is a precision-engineered hydraulic component designed for reliable performance in demanding earthmoving applications. Manufactured to strict OEM standards, it ensures consistent flow and pressure for optimal cooling system operation.
Key Features
Precision-machined gears deliver high volumetric efficiency and stable output.
Durable, wear-resistant housing ensures long service life under heavy loads.
Direct OEM-fit mounting allows bolt-on replacement with no modification required.
Each unit is rigorously tested against OEM specifications for pressure and flow performance.
Common Faults & Diagnosis
Low cooling performance / abnormal fan speed: Pump wear causes insufficient flow or pressure.
Abnormal noise or squealing: Air ingestion, worn gears, or a blocked suction filter.
Fan not working at all: Check the fan motor (708-7S-00352) and the pump drive gear in addition to the pump.
Diagnostic tip: When the fan fails completely, always inspect the fan motor and drive gear — these components can mimic pump failure and are often overlooked.
Product Images
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Trading Company,Manufacturer
Year Established:
2017
Total Annual:
$1 Million -US$5 Million
Employee Number:
80~100
Ecer Certification:
Verified Supplier
Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ... Guangzhou Kawo Construction Machinery Co., Ltd.
Company Profile
Professional Excavator Hydraulic Products Manufacturer & Service Provider
Founded in 2017, Guangzhou Kawo Construction Machinery Co., Ltd. is a professional manufacturer and service provider specializing in excavator hydraulic produ...