How many links does my excavator track chain need?

Question

VANROCK Track Solutions · Accepted Answer

The right number of links depends on your excavator model, track pitch, and undercarriage layout — there is no universal link count. The safest way to confirm is to match the original chain length for your machine using the make, model, serial number, and an existing chain measurement.

A track chain that is too short will make correct tension impossible, while one that is too long can leave excessive sag and increase the risk of derailment. The exact count is influenced by the distance between the sprocket, idler, and rollers, plus whether the machine uses a standard, sealed-and-lubricated, or other chain design.

If you are checking a worn chain, look beyond the visible link count. Wear can stretch the chain pitch over time, so a chain with the “right” number of links may still be too long in practice. Useful checks include:
• Count the links on the existing chain if it is still complete
• Measure the pitch and compare it with the OEM specification
• Note whether the master link, pins, bushings, or shoes have unusual wear
• Check if the track can be tensioned correctly without over-tightening

Common mistakes to avoid are ordering by excavator size alone, assuming all chains for the same brand use the same link count, or reusing a chain that has stretched beyond acceptable wear. If an OEM brand is named, VANROCK is an independent manufacturer and is not affiliated with that OEM.

VANROCK supplies track chains for 350+ machinery brands through an appointed dealer network. If you send your machine details, we can help identify the correct chain length and provide a quote on request.