Alternator / Yanmar 3TNA72 / 3TN75 / 2TNE68 / 3TNA72 / 3TNE74 / 3TNE72 / 3TNE68 | Traktor.com.pl
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  • Alternator / Yanmar 3TNA72 / 3TN75 / 2TNE68 / 3TNA72 / 3TNE74 / 3TNE72 / 3TNE68 | Traktor.com.pl
  • Alternator / Yanmar 3TNA72 / 3TN75 / 2TNE68 / 3TNA72 / 3TNE74 / 3TNE72 / 3TNE68 | Traktor.com.pl
  • Alternator / Yanmar 3TNA72 / 3TN75 / 2TNE68 / 3TNA72 / 3TNE74 / 3TNE72 / 3TNE68 | Traktor.com.pl

Generator / dynamo / Yanmar 3TNA72 / 3TN75 / 2TNE68 / 3TNA72 / 3TNE74 / 3TNE72 / 3TNE68

Product code: 129150-77202
Brand 4FARMER
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12 people purchased this product
zł360.98 netto
zł444.00
Includes VAT 23%

Lowest price from 30 days: zł444.00

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*Delivery costs are estimated. You will find the exact delivery costs in the final step of your order.

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Product description

The alternator is a high-quality spare part designed for agricultural engines and machinery. Its primary function is to convert mechanical energy into electrical energy, ensuring the proper operation of machinery's electrical systems. Compatible with numerous Yanmar engine and tractor models, the product guarantees reliability and long-term operation. High-precision manufacturing and the use of durable materials ensure this alternator meets the expectations of even the most demanding users.

Dimensions:

  • Diameter: 115 mm.
  • Length: 75 mm.
  • Flywheel diameter: inside: 37 mm, outside: mm
  • Spacing of mounting screw holes: 155 mm.
  • Diameter of mounting screw holes: M7 thread and 10.30 mm unthreaded hole.
  • Second index: 129150-77203.
  • Third index: HD46650304.

Engine:

  • Yanmar 3TNA72,
  • Yanmar 3TN75,
  • Yanmar 2TNE68,
  • Yanmar 3TNA72,
  • Yanmar 3TNE74,
  • Yanmar 3TNE72,
  • Yanmar 3TNE68.

Tractor models:

  • Yanmar F17,
  • Yanmar F18,
  • Yanmar F20,
  • Yanmar F22,
  • Yanmar F24,
  • Yanmar FX26,
  • Yanmar FX28,
  • Yanmar FX32,
  • Yanmar F37,
  • Yanmar FX42,
  • Yanmar F46,
  • Yanmar F195,
  • Yanmar F215,
  • Yanmar F235,
  • Yanmar F255,
  • Yanmar F265,
  • Yanmar FX285,
  • Yanmar FX305,
  • Yanmar FX335.

Warehouse: (M01:B73)

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

Specifications

Condition
New
Bolt hole spacing (mm)
155
Engine model
- Yanmar 3TNE74, - Yanmar 3TN75, - Yanmar 3TNE72, Yanmar 3TNA72, Yanmar 2TNE68, Yanmar 3TNE68
Bolt hole spacing (mm)
155
Thread
M7
Diameter (mm)
115
Parts
Electrician
Tractor models
- Yanmar F20, - Yanmar F22, - Yanmar F24, - Yanmar F215, - Yanmar F235, Yanmar FX335, Yanmar FX285, Yanmar FX305, Yanmar FX32, Yanmar FX28, Yanmar F17, Yanmar FX26, Yanmar F18, Yanmar F195, Yanmar F265, Yanmar F255, Yanmar F37, Yanmar FX42, Yanmar F46
Length (mm)
75
Mounting bolt(s) hole diameter (mm)
10.30
Production
Substitute
Inner diameter of the wheel (mm)
37

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Questions & Answers

Why is regular filter replacement (oil, air, fuel) crucial for a mini tractor?

User
Traktor.com.pl Expert – Technical Advisor • 17.02.2026
Regular filter replacement is the easiest way to extend the life of an engine from brands like Kubota or Yanmar. The oil filter removes metallic contaminants generated during operation, the air filter protects the cylinders from field dust, and the fuel filter prevents water and dirt from damaging the precision injection system. We recommend replacing filters every 50-100 operating hours or at least once per season to ensure optimal engine performance.

How to properly select and sharpen mower blades for a Japanese tractor?

User
Traktor.com.pl Expert – Technical Advisor • 17.02.2026
When selecting mower blades, consider the mower deck model and the blade length and center bore diameter. Maintaining blade balance is crucial when sharpening – an unbalanced blade causes vibrations that damage the hub bearings. Remember that sharp blades mean healthier grass, a cleaner cut, and less strain on the engine of your Iseki or Mitsubishi tractor.

How to identify the correct V-belt size and how to care for it?

User
Traktor.com.pl Expert – Technical Advisor • 17.02.2026
It's best to read the markings on the side of the old V-belt. If they are illegible, measure the belt width and its outer length (La). On Shibaura and Hinomoto tractors, it's important to regularly check the belt tension – too loose a belt will cause slippage and faster wear, while too tight a belt can cause alternator or water pump bearing failure.

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