- 128
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- 28
- Location
- Alta & Baja California
does anyone happen to know what the low-range ratio is on a Rockwell T-138 transfer-case?
Do they have any "known" problems?
Do they have any "known" problems?
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T-138 T-case gear ratios
- Thread starter Joaquin Suave
- Start date
m139h2otruck
Member
- 569
- 5
- 16
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- NH
The ratios are listed in the TM-9-2320-211-20 manual, as 2.024 rear output and 2.163 front output. High gear is 1.00 rear and 1.063 front. Difference front to rear is so the sprag clutches will work correctly.
If everything is right, full air pressure to the sprag shifter and full of oil, there should be no problems. If a sprag clutch sticks and doesn't unlock, watch out!!
If everything is right, full air pressure to the sprag shifter and full of oil, there should be no problems. If a sprag clutch sticks and doesn't unlock, watch out!!