What do the numbers on a rubber track mean, like 300x52.5x84?

Expert Answer

The numbers on a rubber track show its size: width, pitch, and number of links. So 300x52.5x84 means the track is 300 mm wide, has a 52.5 mm pitch, and has 84 links or teeth around the inside of the track.

To measure correctly, check three things: the width across the tread in millimetres, the center-to-center distance between two adjacent drive lugs for pitch, and the total number of internal links. The pitch must be measured from the center of one lug to the center of the next; measuring the gap only can give the wrong result. If your old track is worn, the size stamp may be hard to read, so measuring it directly is often the safest way to confirm the replacement size.

Getting all three numbers right is important, but it is not the only factor. Track fit can also depend on the machine’s guiding system, sprocket profile, roller arrangement, and the track guide style. A track with the correct width, pitch, and links may still ride poorly, derail, or wear early if the guide type does not suit the undercarriage.

Common mistakes include mixing up inches and millimetres, counting links incorrectly, or assuming that the same size will fit every machine of the same class. It is best to compare the existing track markings, measure the old track, and match the machine make, model, and year before ordering. If you are unsure, VANROCK can help identify the right rubber track through its dealer network and provide a quotation on request. If an OEM brand is referenced during identification, VANROCK is an independent manufacturer and is not affiliated with that OEM.

Answered by VANROCK specialists · Published 7/20/2026