Rubber tracks 400×72.5x78W ITR

🔧 Rubber chain for mini excavator 400×72.5x78W

Catalog: RT40072578W

Manufacturer: ITR

Rubber tracks 400×72.5x78W are designed for mini excavators and compact crawler equipment, in which the undercarriage uses size 400 mm width, 72.5 mm step, 78 links and W profile. The rubber chains 400×72.5x78W ITRs are suitable for models such as Hitachi HX140B and Sumitomo SH65U-2, when the machine uses this exact size and corresponding W profile.

This size is part of the series 400×72.5, but the designation W is important and should not be missed. The size 400×72.5x78W not to be confused with standard 400×72.5×78, with 400×72.5x76W, with 400×72.5x74W, with 400×72.5x78N or with close variants of the series 400×72.5. The step 72.5 mm, the number of 78 units and the W profile must match the old circuit exactly.

📐 Dimensions

🔁 Alternative sizes and chains

The size 400×72.5x78W should only be replaced with the same size: 400 mm width, 72.5 mm step, 78 links and W profile. It is not recommended to use close sizes such as 400×72.5×78, 400×72.5x76W, 400×72.5x74W, 400×72.5x80W, 400×72.5x78N, 400×72.5x78K or standard variant without W profile, without checking on the old circuit.

In some catalogs, the size may be written as 400×72.5x78W, 400X72.5X78W, 400-72.5-78W, 400/72.5/78W, 400×72,5x78W, 400×72.5Wx78, 400×72,5Wx78, 400x78x72.5W or 400/78/72.5W. The meaning remains: width 400 mm, step 72.5 mm, 78 links and W profile.

The letter W is important, because it can mean a different inner guide, wider channel configuration or specific guidance relative to KB, KU, N, WK or standard version. Therefore, this size should not be replaced by another profile variant without physical verification on the old circuit.

With this item, it is especially important not to get confused 400×72.5x78W with 400×72.5x76W. Both sizes are from the same series, but the number of units is different. An incorrect number of links or a different profile can result in incorrect tensioning, bad driving, accelerated wear or inability to install.

Before ordering it is important to compare the inscription on the old chain, the width, the step, the number of units, the inner guide, The W profile, The OEM number and model/serial number of the machine. If the size, profile or number of units do not match, the chain may not seat properly on the undercarriage.

⚙️ Compatibility and purpose

📞 Contact us

If you are looking for rubber chains 400×72.5x78W, undercarriage spare parts or assistance in choosing the right size rubber tracks according to the model, profile and machine serial number, Do not hesitate to contact us. Send us an inquiry or call us directly, to get an accurate quote, quick availability check and professional help in choosing the right chain. We will help you compare the size, W profile, the step 72.5 mm, the number of units, OEM number and application, to avoid a wrong order and get a reliable solution for your machine.