Engine derating during high-load operations? The Hydraulic Fan Motor GP (7087S00730) is critical for thermal management in Komatsu WA380 Wheel Loaders. Our precision-engineered replacement delivers:
✅ 45°C ambient temperature tolerance
✅ 3,600 RPM ±2% speed stability
✅ ISO 12103-1 dust certification
Critical Failure Symptoms:
• Engine temp >107°C during loading
• Hydraulic efficiency loss >15%
• Burning smell from engine compartment
• Automatic shutdowns in hot climates
• Error Code E541/E542 activation
Technical Specifications:
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Part Numbers: 7087S00730, 708-7S-00730, GP-7087S00730
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Type: Gerotor hydraulic motor with integrated fan hub
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Torque Output: 85 Nm @ 100 bar
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Flow Range: 32-38 L/min
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Compatible Models:
› WA380-1 (SN: 10001-19999)
› WA380-3 (SN: 30001-39999)
› WA380-5 (SN: 50001-59999)
› WA380-6 (SN: 60001-69999)
› WA380-7 (SN: 70001-79999)
› All variants: H/L/HR suffix models
Engineering Innovations:
▶ Ceramic-coated bearings – 20,000hr service life
▶ Quad-labyrinth seal system – IP69K certified
▶ Dynamic blade balancing – <0.3mm vibration amplitude
▶ Thermal-conductive housing (50% faster heat dissipation)
Extreme Validation:
“7087S00730 motors maintained 92°C engine temp in WA380-6 loaders during 48h desert operation” – Komatsu Thermal Report #CT-912
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