Komatsu Bulldozer D61-15 D65-15 D85-15 D375A-6 D475A-5 Fan Pump 708-1S-00240 708-1S-950 708-1S-00390 708-1S-00910

Komatsu D65-15 Series Hydraulic Fan Pump — 708-1S-00240

Komatsu D375A-6 Series Hydraulic Fan Pump — 708-1S-950 708-1s-00390

Komatsu D475A-5 Series Hydraulic Fan Pump — 708-1S-00910

The 708-1S-00240 hydraulic fan pump is an OEM-compatible replacement component designed for the Komatsu D65EX-15 / D65PX-15 / D65WX-15 bulldozer series. It is a compact, engine-mounted gear pump that supplies the pressure oil for the machine's electro-hydraulic static cooling fan drive (HSS) system, ensuring stable and continuous fan rotation for reliable engine and hydraulic system cooling.

• Precision-machined gears for high volumetric efficiency and stable output
• Durable, wear-resistant housing for long service life under heavy load
• Direct OEM-fit mounting; bolt-on replacement, no modification required
• Rigorously tested against OEM specifications for pressure and flow performance

• Komatsu D65EX-15, D65PX-15, D65WX-15 (also common to D61/D65 series)

• Low cooling performance / abnormal fan speed: pump wear causing insufficient flow or pressure
• Abnormal noise or squealing: air ingestion, worn gears, or 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