Choose the right top link for your tractor

Quick answer: which top link should I choose?

Choose a top link based on the tractor's three-point hitch, the implement's mounting and the correct category. The most important thing is to check the pin diameter, the ball dimensions and that the top link has the right length and adjustment range. Complement as needed with the right implement bolt, linch pin and bushings for a secure, play-free mounting.

A top link is used to adjust the angle of the implement behind the tractor. The right top link makes the implement more stable, easier to set up and safer to use.

How to choose the right top link – step by step

The ball diameter determines whether the implement fits in the lift arms. Measure if you are unsure.

The top link must be adjustable to achieve the correct working angle.

• Measure the old top link in both the retracted and extended positions
• Check the distance between the upper attachment point on the tractor and on the implement
• Make sure the threads have sufficient engagement even in the extended position

If the implement and the tractor do not have exactly the same dimension, a bushing kit is required.

• The implement has a larger hole than the tractor's pin
• You are connecting implements from different categories
• You want to reduce play and wear

To lock the top link and implement in place, the right bolt and pin are needed.

• The bolt must have the right diameter and length
• The pin must lock securely – replace worn pins
• Old and bent pins should always be replaced

Common mistakes to avoid

Choosing based on tractor model alone

The tractor model provides guidance, but the implement's mounting can differ. Always measure the pin diameter and length.

Missing the difference between top link and lift arm

Top links and lift arms have different dimensions. A dimension that applies to the lift arm does not automatically apply to the top link.

Not checking the adjustment length

The top link must not only fit at the ends. It must also be adjustable to the correct working angle.

Reusing worn pins

Old pins can be bent, worn or too loose. It is better to switch to new locking parts when needed.

Checklist before you buy

Category checked

Determines pin and ball dimensions

Pin diameter measured

Ensures the correct fit

Min and max length checked

Provides sufficient adjustment range

Implement mounting checked

Must match the ends of the top link

Bushing need checked

Reduces play with differing dimensions

Bolt and pin checked

Required for secure locking

FAQ / Frequently asked questions about top links for tractors

How do I know which category my top link is?

Measure the pin diameter. A category 1 top link normally has a pin diameter of about 19 mm, category 2 about 25 mm, category 3 about 32 mm and category 4 about 45 mm.

Can I use a top link in the wrong category?

It is not recommended without the right adaptation. The wrong category can cause play, a poor fit or unsafe mounting. In some cases bushings can be used, but the dimensions must be checked carefully.

What does a bushing kit do?

A bushing kit reduces the hole diameter so that the pin and the mounting fit together better. It reduces play and makes the connection more stable.

When should I replace the top link?

Replace the top link if it is bent, has damaged threads, has a lot of play, is difficult to adjust or no longer holds the implement in the correct position.

Do I need to replace the implement bolt and linch pin at the same time?

It is often wise to check them at the same time. If the bolt is worn or the pin does not lock properly, they should be replaced to achieve a secure mounting.

How do I find a top link for my tractor?

First select your tractor make and then select your model, after which you will see the spare parts that fit your particular tractor.