Yanmar 129612-44740 Cooling Fan Assembly

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Yanmar 129612-44740 Cooling Fan Assembly

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Outer Diameter	410 mm
Blade Count	7
Material	Reinforced Polymer Blades with Steel Hub
Mounting Type	Bolt-On Flange
Applications	Engine Cooling System
Net Weight	2.8 kg
Package Dimensions	45 × 45 × 12 cm

Manufacturer No.

129612-44740
YM129612-44740

OEM Part No.

129612-44740

Engine Part No.

Yanmar 4TNE84
Yanmar 4TNE88
Yanmar 4TNV84
Yanmar 4TNV88
Komatsu 4D84E-3D
Komatsu 4D88E-3

Fitment Vehicles

Komatsu PC40-7
Komatsu PC45R-8
Komatsu PC40-8
Hitachi ZX30U-2
Hitachi ZX35U-2
Takeuchi TB230
Takeuchi TB235-2
Takeuchi TB240

The Yanmar 129612-44740 is a 410 mm diameter 7-blade cooling fan designed for engine cooling systems in compact construction machinery. It features a reinforced polymer blade construction with a steel mounting hub for thermal stability and impact resistance. The fan mounts via a bolt-on flange pattern compatible with Yanmar 4TNE and 4TNV series industrial diesel engines.

This component serves as a direct OEM replacement for Yanmar engines including 4TNE84, 4TNE88, 4TNV84, and 4TNV88 configurations. It is widely applied in Komatsu hydraulic excavators such as PC40-7, PC45R-8, and PC40-8, as well as Hitachi ZX30U-2, ZX35U-2 and Takeuchi TB230, TB235-2, TB240 models utilizing the Komatsu 4D84E-3D and 4D88E-3 engine platforms. The fan ensures adequate airflow across the radiator core to maintain optimal engine operating temperature under continuous heavy-duty cycles.