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Old Oct 20, 2011 | 01:44 AM
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4R100
Are all 4R100 trans from a SD diesel the same? My friend has one sitting in his shop and he said i can use that one to get rebuilt and give him the one in my truck so that we can just swap it out in one day.
 
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Old Oct 20, 2011 | 07:20 AM
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the only difference i am aware of is the 01 has diods in them that can cause issues...
 
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Old Oct 20, 2011 | 08:30 AM
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The 4r100 from a gasser engine has a different tail housing.
 
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Old Oct 20, 2011 | 10:25 AM
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Ok thanks guys. So I guess the internals are the same.
 
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Old Oct 20, 2011 | 10:38 AM
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Originally Posted by kupaa
Ok thanks guys. So I guess the internals are the same.
Correct. Iirc the differences in the tails have to do with the number of splints on the tcase shaft.

I was told the 4r100 gasser tranny was stronger b/c of the beefier shaft.
 
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Old Oct 20, 2011 | 01:18 PM
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Originally Posted by jkidd_39
I was told the 4r100 gasser tranny was stronger b/c of the beefier shaft.
The diesel 4R100's have stronger internals compared to the gas 4R100, except for the 4R100's used for the Gen 2 Lightning's.

The Gen 2 Lightnings have the same internals used in the diesel 4R100's.

Stewart
 
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Old Oct 20, 2011 | 01:41 PM
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Originally Posted by Stewart_H
The diesel 4R100's have stronger internals compared to the gas 4R100, except for the 4R100's used for the Gen 2 Lightning's.

The Gen 2 Lightnings have the same internals used in the diesel 4R100's.

Stewart
Interesting info Stewart! Guess that's a mute point for our application since jw and BTS have better options.

Know anything about the rear shafts between the two Trannys??
 
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Old Oct 20, 2011 | 03:34 PM
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Originally Posted by jkidd_39
Know anything about the rear shafts between the two Trannys??
Nope. It wasn't something we discussed on the Lightning boards I used to be a part of years ago.

Stewart
 
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Old Oct 20, 2011 | 06:04 PM
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Originally Posted by jkidd_39
Correct. Iirc the differences in the tails have to do with the number of splints on the tcase shaft.

I was told the 4r100 gasser tranny was stronger b/c of the beefier shaft.
The difference is in the bell housing. Diesel uses a different bolt pattern. A gasser tranny will not bolt to a diesel.

All gas and diesel 4R100s use the same tailshaft.
 
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Old Oct 21, 2011 | 08:39 AM
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And all 4x4 transmissions have a different tailshaft than 4x2 transmissions.
 
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Old Oct 21, 2011 | 04:11 PM
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You also have PTO and non PTO versions. Here in AUS they are mainly the PTO version. JW told me you cant put a non PTO version into a PTO truck. Different gears and sensors apparently.

This cover plate indicates PTO version

 
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Old Oct 21, 2011 | 09:10 PM
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JW is wrong. You can put a non-PTO trans in a PTO truck. You just won't have the PTO function.
 
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Old Oct 21, 2011 | 09:24 PM
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since we are talking trany, wat yall think of the bts vaulve body?
 
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Old Oct 21, 2011 | 09:32 PM
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Originally Posted by slim613
since we are talking trany, wat yall think of the bts vaulve body?
Love mine!! At 325k on my stock tranny and BTS vb. Get one!!
 
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Old Oct 21, 2011 | 09:46 PM
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Originally Posted by jkidd_39
Love mine!! At 325k on my stock tranny and BTS vb. Get one!!
cuz im gonna do mods and wanna keep my trany on a safer side
 
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