Engine temperatures soaring during grading operations? The Hydraulic Fan Motor GP (7087S00352) is critical for thermal management in Komatsu D61, D65, and D85 Bulldozers. Our precision-engineered replacement delivers:
✅ 42°C maximum cooling delta
✅ 3,800 RPM stable operation
✅ ISO 463-certified dust resistance
Critical Overheating Indicators:
• Engine temp >105°C at idle
• Hydraulic oil viscosity breakdown
• Burnt coolant odor in cabin
• Frequent derating on inclines
• Error Codes E450/E551/E552
Technical Specifications:
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Part Numbers: 7087S00352, 708-7S-00352, GP-7087S00352
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Type: Axial-piston hydraulic motor
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Torque Output: 125 Nm @ 120 bar
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Flow Range: 38-45 L/min
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Compatible Models:
› D61 Series: D61EX/PX-12, D61PXi-23, D61WS-20
› D65 Series: D65EX/PX-12, D65PXi-18, D65WS-16
› D85 Series: D85EX-18, D85PX-15EO, D85ESS-2
› All variants: -12/-15/-18/-23 suffixes
Engineering Innovations:
▶ Ceramic-coated bearings – 15,000hr service life
▶ Quad-labyrinth seal system – IP69K mud/water protection
▶ Dynamic impeller balancing – ±0.5g vibration tolerance
▶ Thermal-stable composite housing (-40°C to 150°C)
Extreme Environment Validation:
“7087S00352 motors maintained safe temps in D65PX-12s during 48h continuous desert operation” – Komatsu Cooling Systems Bulletin #CT-885
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