hitch ball, CAT I, hitch pin, turnbuckle, pin, cotter pin, set of pins
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  • hitch ball, CAT I, hitch pin, turnbuckle, pin, cotter pin, set of pins
  • hitch ball, CAT I, hitch pin, turnbuckle, pin, cotter pin, set of pins
  • hitch ball, CAT I, hitch pin, turnbuckle, pin, cotter pin, set of pins
  • hitch ball, CAT I, hitch pin, turnbuckle, pin, cotter pin, set of pins

Set of pins + coupling ball / CAT I / 50 mm / 7/8 UNF / 20 x 80 mm / Set of pins

Product code: S.167137
Brand 4FARMER
Country of production 4FARMER

Product description

Set of pins + hitch ball for three-point linkage suspensions of Cat I tractors. The set consists of a hitch ball with a diameter of 50 mm and a 7/8 inch thread, a pin for the trailer hitch with a diameter of 20 mm and a working length of 80 mm and a top pin with a diameter of 19 mm and a working length of 70 mm .

Dimensions of the ball to the hitch :

  • diameter: 50 mm,
  • thread: 7/8 inch,
  • total length: 140 mm,
  • key size: M32.

Hitch pin :

  • diameter: 20 mm,
  • working length: 80 mm,
  • total length: 143 mm.

Top pin Cat I :

  • diameter: 19 mm,
  • working length: 70 mm,
  • total length: 113 mm.

The set includes two cotter pins, pins measuring Ø 11 x 45 mm and Ø 8 x 45 mm.

Warehouse :
M01: B16

*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

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Questions & Answers

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

User
Ekspert Traktor.com.pl – Doradca techniczny • 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
Ekspert Traktor.com.pl – Doradca techniczny • 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
Ekspert Traktor.com.pl – Doradca techniczny • 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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