jasonsxj
NAXJA Forum User
- Location
- centralia mo.
can anybody tell me how to read the number's on a d30 and a d35:tear: to tell what gears are in them ???:helpme:
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Axle ID Numbers?
- Thread starter jasonsxj
- Start date
jeepinwi
NAXJA Forum User
- Location
- Eau Claire, WI
Re: axle iden. #'s ???
On the ID tag, you should see a series of numbers like 307 or 355 indicating the gear ratio. Otherwise, turn the tires and count the rotations of the driveshaft.
On the ID tag, you should see a series of numbers like 307 or 355 indicating the gear ratio. Otherwise, turn the tires and count the rotations of the driveshaft.
5-90
NAXJA Forum User
- Location
- Hammerspace
Re: axle iden. #'s ???
1: As stated, look for a longish tag under two cover screws to one side. The ratio will be on there "in the clear."
2: Jack up the rear end, mark the driveshaft, and see how many times you have to turn one wheel to get the driveshaft to make one full turn.
3: When you have the cover off to change fluid and check gears, either count the teeth on the ring and pinion, then divide; or read the numbers on the side of the ring gear (it should have both numbers,) then divide.
4: Look for the Bill of Materials (BoM) number on the (should be) right-hand axle tube. It will be a six-digit number starting with "60" or "61", and will have a one- or two-digit suffix. This number can be run at the Dana Expert site (www.dana.com, follow the prompts) to tell you what gear ratio and differential type your housing started life with. It can also tell you what type of axle, and (if a transplant,) what it came out of in the first place. However, that doesn't leave out changes in the meantime...
Oh - and this fits better in OEM Tech, which is why I put it there after I posted...
1: As stated, look for a longish tag under two cover screws to one side. The ratio will be on there "in the clear."
2: Jack up the rear end, mark the driveshaft, and see how many times you have to turn one wheel to get the driveshaft to make one full turn.
3: When you have the cover off to change fluid and check gears, either count the teeth on the ring and pinion, then divide; or read the numbers on the side of the ring gear (it should have both numbers,) then divide.
4: Look for the Bill of Materials (BoM) number on the (should be) right-hand axle tube. It will be a six-digit number starting with "60" or "61", and will have a one- or two-digit suffix. This number can be run at the Dana Expert site (www.dana.com, follow the prompts) to tell you what gear ratio and differential type your housing started life with. It can also tell you what type of axle, and (if a transplant,) what it came out of in the first place. However, that doesn't leave out changes in the meantime...
Oh - and this fits better in OEM Tech, which is why I put it there after I posted...
- Location
- on the beach in Ocean View, VA
Re: axle iden. #'s ???
^^ other way around-- mark both and count how many turns of the driveshaft will give you one full revolution of the wheel.
about three= 3.07
three and a half= 3.55
three and three quarters= 3.73
little over four= 4.10
little more than four and a half= 4.56
If you turn the wheel ten times and count the driveshaft revolutions and then divide everything back down, you will get a more accurate number, but these things didn't have many options that were "too close to call" from the factory.
^^ other way around-- mark both and count how many turns of the driveshaft will give you one full revolution of the wheel.
about three= 3.07
three and a half= 3.55
three and three quarters= 3.73
little over four= 4.10
little more than four and a half= 4.56
If you turn the wheel ten times and count the driveshaft revolutions and then divide everything back down, you will get a more accurate number, but these things didn't have many options that were "too close to call" from the factory.