How to tell what guage tracks i have

pinball

Well-known Member
Last year I bought a case 310d crawler/loader in may last year for a project this summer. Had problem with right tracks. Bought a parts crawler/loader last fall. The one has cleat track pads., the parts machine has flat track pads and are shorter than the cleat pads. It has the same loader on it but no id tag. I suspect its either a c-d or e. don't know how to tell. Since my parts manual list 36 and 42 guage how do I tell the difference of what guage they are. NORM
 
Gauge is typically the dimension from center of track chain to center of track chain, width of tractor at those locations. Some tractors are wide gauge, others are narrow gauge, but can be the same model, at least in caterpillar and others. The track pads can be different widths regardless. Sounds like the one set has something like street pads on it, if there are no grouser bars.

I suspect you may be looking to see if the track pitch is the same between the tractors, as you can't mix those, possibly convert but both tractors need to have the same pitch. I can't say if 310's changed over time, as I don't know anything about these, so I assume them to be the same pitch within a certain range of production, like most other crawlers.

The numbers from the manual seem right for a small tractor like these, guess the narrow gauge is just a bit more narrow than the wide gauge. If that is the case, (no pun intended LOL !) then I would suspect the pitch is the same and you're only concern would be the track pad width being compatible with the tractor you want to put them on.
 
When I took the splined spacer out from the drive axel the parts book listed a number for a 36 guage and one for 42 guage. thought one might be longer/shorter than the other. Trying to figure out the difference of the two gauges so I can put the right parts numbers on them before I put them on the shelf. I am going to try to change out the pads once I get the track back on. I like the steet pads better. those grousers just tear up the sod. norm
 

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