The YNF17704 Blower Motor is a high-performance replacement unit designed for Komatsu bulldozer models D275, D375, and D475. It ensures efficient cabin ventilation, stable air circulation, and reliable cooling or heating performance. Built with high-quality components, the motor offers low noise, long service life, and consistent output even under harsh working environments.

• Direct replacement for ND116221-0430 / 198-911-9111 blower motors

• Compatible with Komatsu D275 / D375 / D475 bulldozers

• Strong airflow with stable and quiet operation

• Durable motor construction for long service life

• High heat resistance and reliable performance in extreme environments

• Plug-and-play installation — precise fit

• Optimized for heavy-duty cabin ventilation

• Bulldozer cabin air circulation system

• Replacement blower motor for Komatsu D275 / D375 / D475

• HVAC repair and maintenance

• Suitable for mining, construction, earthmoving, and extreme-temperature conditions

• Free part-number matching assistance

• Technical support for installation and troubleshooting

• Supply of related HVAC components (fan blades, resistors, switches, housings)

• Motor protected with foam and sealed plastic

• Export-grade carton with vibration-resistant padding

• Suitable for express, air freight, or sea transport

Q: How do I confirm this blower motor fits my machine?
A: Provide the part number (ND116221-0430 / 198-911-9111) or a photo of the old motor, and we will verify it for you.

Q: Is the airflow strong enough for extreme working conditions?
A: Yes. This blower motor is designed for heavy-duty bulldozer cabins and delivers stable airflow even in high-temperature or dusty environments.

Q: Does it come with the fan blade?
A: The fan blade is optional. Tell us if you need the blade included.

Q: Is installation difficult?
A: Installation is straightforward and designed as a direct replacement for Komatsu D-series bulldozers.

Q: Do you offer HVAC system parts for these bulldozers?
A: Yes, including fan blades, resistors, AC switches, filters, and more.