Cotter pin, safety, cotter pin with safety, 11 x 90 mm, 11x90 mm, S.21877
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  • Cotter pin, safety, cotter pin with safety, 11 x 90 mm, 11x90 mm, S.21877
  • Cotter pin, safety, cotter pin with safety, 11 x 90 mm, 11x90 mm, S.21877
  • Cotter pin, safety, cotter pin with safety, 11 x 90 mm, 11x90 mm, S.21877
  • Cotter pin, safety, cotter pin with safety, 11 x 90 mm, 11x90 mm, S.21877

Cotter pin with safety catch / Ø 11 x 90 mm / S.21877

Product code: S.21877
Brand 4FARMER
Country of production 4FARMER
View other model
zł8.00
Includes VAT 23%

Lowest price from 30 days: zł8.00

Product description

Rectangular cotter pin with locking ring with a working length of 90 mm and a diameter of 11 mm.

A locking pin with a safety catch is an element that prevents slipping, sliding or moving of elements connected by means of pins or other elements placed on shafts or shaft axes and others.

Dimensions :

  • working length: 90 mm,
  • total length: 108 mm,
  • length without head: 100 mm,
  • diameter: 11 mm,
  • part numbers: S.21877.

Safety cotter pins with ring, a safety cotter pin is a smaller diameter shaft with a locking ring, the purpose of which is to protect the cotter pin from spontaneously falling out during machine operation.

Warehouse :
K18

*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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