Mini Excavator Rubber Track Size in India: Width, Links and Tension

Mini excavators sold in India run track widths of 230 mm to 400 mm. That is the spread across all 49 machines in the 0–6 tonne class we list. A mini excavator rubber track is ordered by three numbers, not one, and your machine’s own spec sheet already gives you two of them.

The three numbers are width × pitch × links. Width is how wide the track belt is, in millimetres. Pitch is the gap from the centre of one drive lug to the centre of the next, again in millimetres. Links is how many of those lugs go round the whole loop. Written out, a track reads something like 300 × 52.5 × 46.

Get one of the three wrong and the track will not fit. Too few links and it will not go round the idler. Too many and it will sit slack and come off the first time you turn on a slope.

The three numbers on a rubber track

Reading the diagram: width is measured across the belt, end on — that is the 230 to 400 mm figure your spec sheet publishes. Pitch is the gap from the centre of one drive lug to the centre of the next. Links is the total number of those lugs all the way round the loop. Width and links are on your spec sheet; pitch is not, and the last section on this page explains where to get it.

What track width does each mini excavator use?

Every one of the 49 mini excavators listed on DesiMachines publishes its track shoe width. Here is the whole class, grouped by width.

Two things stand out. First, 300 mm does most of the work — 31 of 49 machines, covering everything from 2.7 to 5.0 tonnes. If you own a mini in India, the odds are it runs a 300 mm track.

Second, the width bands overlap on weight. A 2,870 kg JCB 30 PLUS runs 250 mm. A 2,680 kg SANY SY27U, lighter than it, runs 300 mm. So you cannot work out your track width from the weight of your machine. Look it up.

Width is also what spreads the machine’s weight over soft ground. That is measured as ground pressure, and we cover it separately in excavator ground pressure by size class.

How many links does a mini excavator track have?

Of the 49 machines, 19 publish their link count. Across those the range is 36 to 46 links per side.

Now the part that matters when you go to order. Take only the machines that run a 300 mm track and publish a link count — there are 13 of them. Their link counts are 41, 44, 45 and 46.

Five different link counts sit behind one width. This is why walking into a shop and asking for “a 300 mm rubber track” is not enough information to be served correctly, and it is the single most common way a first-time owner ends up with a belt that does not fit.

A wider track is not automatically a longer one either. The 400 mm machines here publish 39 and 40 links, fewer than several 300 mm machines. Link count follows the length of the track loop and the spacing of its lugs, not the width of the belt.

One value was left out of the figures above. Our listing for the Tata Hitachi ZAXIS 23U shows 2 track shoes per side, which cannot be right for a 2,356 kg machine running three bottom rollers, and every comparable machine publishes a number in the thirties or forties. We have flagged it for correction rather than guess at the real figure.

How do you check and adjust rubber track tension?

Of the 49 mini excavators we list, 48 tension their tracks with grease. There is no bolt to turn. Behind the front idler sits a cylinder with a grease nipple on it, and pumping grease in pushes the idler forward and tightens the track.

To check tension, park the machine on level ground and raise one track clear using the boom and bucket. Measure the sag between the carrier roller and the idler. Most makers want somewhere around 10 to 30 mm of sag, but the figure is machine-specific, so take it from your operator manual rather than from a rule of thumb.

To tighten, pump grease into the nipple with a standard grease gun and re-check. To loosen, slowly back off the relief valve or plug beside the nipple and let grease escape.

That last step deserves a warning. The grease inside a track tensioner is under very high pressure. Loosen the valve no more than one turn, keep your face and hands away from it, and never remove the fitting completely. People have been injured doing this in a hurry.

Tension matters more on rubber than most owners expect. Run it too slack and the track derails on turns and side slopes. Run it too tight and you load the idler, the rollers and the sprocket, and you shorten the life of all of them along with the belt. The wider point about undercarriage wear is covered in our excavator undercarriage guide.

When does a rubber track need replacing?

Rubber tracks do not fail on one clean signal. They go in several places at once, and the cheapest habit is to walk round the machine once a week and look at four things.

• Lug height. The bars across the outside face are what grip. When they are worn flat, the machine will slip on wet clay and on slopes even though the track is otherwise sound.
• Steel cord showing. Rubber tracks have steel cables moulded inside them. Once you can see wire anywhere, the track is finished — it will stretch and then snap, usually at the worst moment.
• Cracks at the lug roots. Small splits where each drive lug meets the belt. A few are normal with age. Deep ones that run into each other are not.
• Missing or rounded drive lugs. These are the inner teeth the sprocket pushes against. Lose enough of them and the track will jump off under load.

Our product listings publish track width, link count and tensioning method, but they do not publish an expected life in hours, and we will not invent one. Track life on an Indian site swings enormously with what you drive over. Canal and pond work with wet mud is kind to rubber. Broken concrete, demolition rubble, kerb stones and hot tarmac are not, and a machine spending its days on those will chew through belts several times faster than the same machine on soil.

Two habits do more than anything else to stretch that life: keep the tension right, and stop spinning the tracks. Counter-rotating on rough hardcore to save a three-point turn is the fastest way to tear lugs off a new belt.

If you are weighing a track change against everything else the undercarriage is about to need, our post on excavator undercarriage cost sets out how those bills usually arrive together.

Where do you find the pitch number?

Width and links you can take from the spec sheet. Pitch you cannot — it is not published on our product pages, and it is not on most OEM brochures either. There are three reliable ways to get it.

1. Read the old track. The full code is usually moulded into the inside face of the belt. Wipe the mud off and look. This is the best answer because it is the size that is actually on your machine.
2. Measure it. Pitch is the distance from the centre of one drive lug to the centre of the next. Measure across ten lugs and divide by ten — that averages out the error far better than measuring one gap.
3. Ask the dealer with your serial number. Track size can change between production years on the same model name, so the serial number settles it in a way the model name alone does not.

One more honest caveat about our own data. The product pages publish track shoe width, which is the width figure you need, but they do not state whether a given machine ships on rubber or on steel. Most minis in this class are supplied on rubber, and several are offered with a steel option for demolition and quarry work. Confirm the material with the dealer before ordering.

If you are still choosing a machine rather than a track, the mini excavator guide covers the 0–6 tonne class in full, and excavator size classes in India explains where minis sit against the bigger machines. The excavator parts guide covers the rest of the undercarriage, and excavator travel speed explains what those tracks actually deliver on the ground.

What to check before you order

Four numbers and one question, in this order.

1. Width from your spec sheet, or from the table above.
2. Pitch from the code on the old belt, or measured across ten lugs.
3. Links from your spec sheet if it publishes them, otherwise counted by hand — mark your starting lug with chalk so you know where you began.
4. Serial number to hand, because the model name alone does not always pin the size down.
5. And ask whether the machine is meant to run rubber or steel before you spend anything.

Buy in pairs where you can. A new belt running opposite a worn one pulls the machine off a straight line and wears unevenly, so the saving rarely holds.

We do not list rubber tracks as a catalogue item, so we publish no price for them; ask your dealer for a current quote against your serial number. Browse the machines themselves across the mini excavator range and the wider excavator category, or start from the excavator guide hub if you are working through the class from the beginning.

Figures on this page are taken from the specifications published on our own product listings for the 49 mini excavators in the 0–6 tonne class, read in September 2026.

Prices, specifications and features are indicative, vary by variant, location and date, and should always be confirmed with the official OEM or authorised dealer before any purchase decision. DesiMachines is not liable for decisions taken on the basis of information that may have changed after publication.