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Water pump - Yanmar 4TNV94

129900-42001
zł299.00
Tax included PL 23% Dostępny na zamówienie

243,09 netto

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Water pump - Yanmar 4TNV94

Water pump for tractors and mini tractors of the Yanmar brand with engines 4TNV94 series .

The water pump, the radiator coolant, is one of the most important elements of the engine cooling system and this method of cooling is commonly called water cooling . The engine block and the engine head are elements that heat up to very high temperatures during operation and it is these that we want to cool with the coolant during operation. Special water channels are bored in the engine and the head for the circulation of water, which, in order to be pumped back into the engine water channels. The circulation of the coolant is possible thanks to the water pump , which is most often placed between the radiator and the engine and is driven by a V-belt from the alternator. To the pump flywheel, we screw the belt pulley in order, and then the radiator fan, which rotates together with the belt pulley, providing the air movement needed to cool the radiator while the engine is running.

Dimensions :
  • height: 110 mm,
  • total length: 202 mm,
  • flywheel diameter: 68 mm,
  • wheel bolt hole spacing: 52 mm (measured diagonally), 37 mm (measured apart),
  • rotor diameter: 73 mm,
  • nozzle diameter: external: 38 / 5 mm, internal: 32 / 3 mm,
  • the spacing of the holes for the pump mounting screws is clearly visible in the photo,
  • gasket included with the pump.

The most common problems and faults of the water pump are the bearing seizure , which is subjected to high rotational speeds and because the elements that directly cooperate with the pump, such as the pulley and the fan, which are not always properly balanced. Too tight a belt , worn belt , too loose V-belt, V-belt installed at the wrong angle , poor lubrication or lack of lubrication are other causes that cause damage to the water pump. The first signs of water pump damage or signs of improper operation are an unusual sound from under the hood, a coolant stain under the tractor or temperature jumps visible on the dashboard gauges.

Magazine: M01:B21

*Photos are for illustrative purposes only and may differ in detail from the delivered product due to differences in production over the years.

Specification

Magazyn: M01:B21
Condition
New
Production
Substitute
Engine model
Yanmar 4TNV94
Tractor models
Yanmar AF645
Yanmar AF650
Height (mm)
110
Overall length (mm)
202
Wheel diameter (mm)
68
Connection diameter (a) (mm)
35 / 5 zewnętrzna, 32 / 3 wewnętrzna
Rotor diameter (mm)
73
Bolt hole spacing (mm)
52 / 37
Color
Gray

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