13/10/2026
The Bobcat T650 is listed with a 52-link, 86 mm pitch rubber track in three widths: 320, 400 and 450 mm (12.6, 15.7 and 17.7 in), each with a C-lug or Z-lug tread. This guide covers how to confirm the fit, the signs of wear and the T650 undercarriage parts to check.
Ordering new tracks for a Bobcat T650 compact track loader starts with the track size. This guide gives the Bobcat T650 track size in each width we list, shows how to confirm the fit on your machine, explains the signs of worn tracks and lists the T650 undercarriage parts to check while the tracks are off.
The short answer
The track listed for the Bobcat T650 with the solid-mount undercarriage has an 86 mm pitch and 52 links. It comes in three widths, and each width is available with a C-lug or Z-lug tread. Here are the sizes from our catalog:
| Track size | Width | Pitch | Links | Tread |
|---|---|---|---|---|
| 320 x 86 x 52B | 320 mm (12.6 in) | 86 mm | 52 | C-lug or Z-lug |
| 400 x 86 x 52B | 400 mm (15.7 in) | 86 mm | 52 | C-lug or Z-lug |
| 450 x 86 x 52B | 450 mm (17.7 in) | 86 mm | 52 | C-lug or Z-lug |
Source: Excavator Parts Direct catalog, October 2026. All sizes are for the solid-mount undercarriage and are sold as a single track (price is per track).
Pitch and link count are the same on all three sizes. Only the width changes. The width you need is the width on your machine now. If you are thinking about changing width, talk to us before you order.
If the size is still readable on your old track, use it. If it has worn off, three measurements give you the size:
Width
Measure straight across the track from one edge to the other. On a T650 track this should read 320 mm (12.6 in), 400 mm (15.7 in) or 450 mm (17.7 in).
Pitch
Pitch is the distance from the center of one link to the center of the next. On the T650 track this should read 86 mm.
Links
The link count is the number of drive lugs around the inside of the track. The T650 track has 52.
Put the three numbers together, width x pitch x links, and you have the size. Our guide to measuring rubber tracks shows each step with diagrams.
Match the size
Compare the size on your old track, or your own measurements, with the table above. Pitch should be 86 mm and the link count 52. If either is different, stop and check before you order.
Confirm the width
Choose the same width as the track on the machine now: 320, 400 or 450 mm.
Confirm the undercarriage
Our T650 track, sprocket and idler are listed for the solid-mount undercarriage. If you are not sure which undercarriage your machine has, contact us with the machine details and serial number and we will check.
Choose the tread
C-lug and Z-lug are listed in every width. The right choice depends on the ground the machine works on most and how it is used. Tell us about the job and we will help you choose.
Our advice
Getting the size right first time is the quickest way back to work. If anything does not match, talk to the team before you order, so you maximize machine uptime and avoid a return.
These are the checks we recommend on any compact track loader, and they apply to the T650.
If the slack keeps coming back after you re-tension, the cause is not always the track. Check the sprockets and the track adjuster too. A track adjuster with failed piston seals cannot hold tension. Here is how to check rubber track tension. Your machine’s operator’s manual gives the correct tension figure for the T650.
Sharp, worn sprocket teeth no longer hold the track cleanly. The track can slip or jump through the sprocket, and that shock load also reaches the final drive. If you see or hear the track jumping, stop and inspect the sprockets before you carry on.
If a set of T650 tracks has worn out well ahead of the last set, look at the sprockets and idler before you fit new tracks. Material packing between the sprocket teeth, rollers and track also speeds up wear, so keep the undercarriage clean. Our guide to spotting a worn sprocket shows what to look for, and these five tips to extend rubber track life cover the other common causes.
With the track off, every part of the undercarriage is easy to see. That makes a track change the best time to inspect it.
The sprocket bolts to the final drive, and its teeth engage the track to move the machine. Our catalog lists 2 per T650. Sprocket wear is hard to judge by eye, so compare your sprocket with an unused one of the same type. Wear builds faster in reverse and at higher travel speeds. Fitting new tracks to worn sprockets risks the slipping and early wear described above.
Idlers guide the track around the ends of the track frame and work with the track adjuster to keep the track at the right tension. Our catalog lists the T650 rear idler. If the idler is coming off, it is also the easiest time to check or replace the track adjuster.
Bottom rollers run along the underside of the track frame and carry the weight of the machine on the track. We do not currently list a T650 bottom roller. Inspect them all the same, and if they are worn, speak to the team. We advise changing bottom rollers as a set: a single new roller sits proud of the worn ones and wears faster.
Our advice
If the sprockets, idler or rollers show wear, replace them with the tracks. That way it is one job and one round of downtime, and the new tracks start on a sound undercarriage.
These are the T650 parts in our catalog. Each one is listed for this machine with the solid-mount undercarriage, and all three are on the Bobcat T650 parts page.
More Bobcat parts
Our catalog lists the Bobcat T650 track (solid-mount undercarriage) in three widths, all with an 86 mm pitch and 52 links: 320 x 86 x 52B, 400 x 86 x 52B and 450 x 86 x 52B. Each is available with a C-lug or Z-lug tread. Order the width your machine runs now.
The T650 tracks in our catalog are 320 mm (12.6 in), 400 mm (15.7 in) or 450 mm (17.7 in) wide. Measure your old track, or read the size on it, to confirm which width you need.
It is the track size, written width x pitch x number of links. A 450 x 86 x 52B track is 450 mm wide, has an 86 mm pitch and has 52 links.
Yes. We sell T650 tracks individually, and the price shown is for one track.
Our catalog lists 2 drive sprockets per machine for the Bobcat T650 with the solid-mount undercarriage.
Not at the moment. Our T650 catalog covers the rubber track, the drive sprocket and the rear idler. If you need a T650 bottom roller, contact us with your machine details.
Common signs are a track that will not hold tension, a track that slips or jumps on the sprocket, and tracks that wear out much faster than the last set. Check the sprockets, idler and track adjuster at the same time, because worn parts underneath shorten the life of new tracks.
Related guides
Need tracks or undercarriage parts for your T650?
Tell us your machine, its serial number and what you need. We will confirm the right parts and send a quote. Shipped across the USA.
Get a quote Talk to the teamBobcat is a trademark of its owner. The make and model names are used only to identify fitment. Excavator Parts Direct parts are aftermarket replacement parts, not genuine OEM parts, and Excavator Parts Direct is not affiliated with any manufacturer named.
Contact our helpful sales team today.
