Can rear gear ratio be determined by the number on the tag?

[TomLockwood]

I have a 1995 Ram 1500 that I would like to determine the gear ratio on. I recently suffered a stroke and am not yet able to do much work. I checked today and the 9.25” rear axle has a tag that says “1285” on it. Is there a way to tell the gear ratio from that or will i need to wait until I can jack the truck up and do the spin thing? I have looked all over online and have not found this information out there.

thanks

 

[GTyankee]

i don't know if this will help, it may be for newer models

Differential Identification Guide | West Coast Differentials

Differential Identification by tags or visual clues can be used to accurately identify a differential. Tips from West Coast Differentials.

www.differentials.com

 

[TomLockwood]

Thanks. Great info on that site, but I didn’t see anything about the tag. Thanks for the info.

 

[crazy jerry]

on them older trucks there used to be a sticker under the hood that said what axle and ratio. my 96 dakota had one. also said what trans and stuff like that