Category 4 Top Link Pin – Grade 8 High Tensile 45mm × 185mm (B6592)
Restore the strength and reliability of your tractor's three-point linkage with the Category 4 Top Link Pin B6592. Manufactured from Grade 8 high tensile steel, this heavy-duty replacement pin is engineered for Category 4 top link applications, providing a secure and dependable connection between the tractor and implement under the most demanding operating conditions.
Featuring a 45mm diameter and an overall length of 185mm, this precision-manufactured top link pin delivers an accurate fit for Category 4 linkage systems. Designed to withstand high draft loads and continuous field use, it is ideal for broadacre farming applications including deep ripping, cultivation, seeding, transport and heavy tillage operations.
Part Number
Key Features
- Heavy-duty Category 4 top link pin.
- Manufactured from Grade 8 high tensile steel.
- Precision-machined for an accurate fit.
- 45mm Category 4 pin diameter.
- 185mm overall length.
- Designed for high-horsepower tractors and heavy implements.
- Provides excellent strength and durability under high load conditions.
- Direct replacement for worn or damaged top link pins.
Technical Specifications
- Part Number: B6592
- Linkage Category: Category 4
- Pin Diameter: 45mm
- Overall Length: 185mm
- Material: Grade 8 High Tensile Steel
- Application: Tractor top link pin
Compatibility
Suitable for tractors and agricultural implements equipped with Category 4 three-point linkage systems requiring a 45mm top link pin. Commonly used on large agricultural tractors operating deep rippers, air seeders, cultivators, offset discs, transport equipment and other heavy-duty implements where a shorter 185mm top link pin is specified.
Benefits of Replacing Worn Top Link Pins
Replacing worn or damaged top link pins restores a secure connection between the tractor and implement, reducing unnecessary movement within the linkage assembly. A correctly fitting pin helps minimise wear on the top link ball and implement mounting points while improving implement stability and operator confidence in the field.
Installation Tip
Inspect the top link ball, implement mounting holes and retaining hardware before installation. Replacing worn linkage components together will maximise service life and maintain correct hitch alignment.
The C&M Difference
Collier & Miller supplies a comprehensive range of premium tractor linkage components for professional agricultural applications. Our heavy-duty replacement parts are manufactured to deliver dependable fit, exceptional durability and reliable performance in Australia's toughest farming environments.
Shipping
Fast Australia-wide shipping is available on our complete range of tractor linkage components, hitch pins, quick hitch parts and agricultural replacement hardware.