10spd to 13spd(ATTN DRIVELINE GURUS)
02-17-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #1
10spd to 13spd(ATTN DRIVELINE GURUS)
My volvo needs a new clutch...previous owner had ecm bumped up to 500hp...truck has eaton/fuller 10spd....I would like to swap in a 13...found one local but it's only 1450 torque...I have 1650 with the 10spd now. Will the 1450 13spd hold up or am I asking for problems? Thanks in advance.

Rears are 3.58...11r 22.5 rubber. Pulling dry van 40~50k loads.
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02-17-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #2
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
As i understand the difference in the 14913 and the 18913 is cooling which can easily be upgraded. Id call a tranny shop and ask em if theres any bearing, gear or case differences in the exact model u have and a rtlo18913 or u can use the eaton website and compare the part#s. Also make damn sure u send that drive shaft to a reputable driveline shop to have it shortened balanced and tested. I have a dead truck in the yard because my reputable guy wasnt real great after all.
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02-17-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #3
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
I haven't seen my trans above 175 since disconnecting it from the radiator and putting on an air cooler from my Kenworth dealer used to always be 200+


User's Signature: 2010 Lonestar - CM871 - 13sp - 3.70s, 2016 T680 - cm2350 - 13sp - 3.36s - skateboarder
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 Thanks given by: smorgan87
02-17-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #4
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
(02-17-2020 )Lonestar10 Wrote:  I haven't seen my trans above 175 since disconnecting it from the radiator and putting on an air cooler from my Kenworth dealer used to always be 200+
I dunno why they call em coolers. Them coolant to oil exchangers are more like tranny heaters. Worthless and a disaster waiting to happen. The more places oil and water meet the more chances of a problem imo. I personally wish the engine oil could be air cooled effectively.
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 Thanks given by: Mattman
02-17-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #5
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
(02-17-2020 )smorgan87 Wrote:  
(02-17-2020 )Lonestar10 Wrote:  I haven't seen my trans above 175 since disconnecting it from the radiator and putting on an air cooler from my Kenworth dealer used to always be 200+
I dunno why they call em coolers. Them coolant to oil exchangers are more like tranny heaters. Worthless and a disaster waiting to happen. The more places oil and water meet the more chances of a problem imo. I personally wish the engine oil could be air cooled effectively.

the engine oil temps need to stay (200+ degree range) a bit above the coolant temps to keep moisture driven off.


User's Signature: ->: What I post is just my own thoughts and Opinions! --- I AM Full Of S__T!.
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 Thanks given by: smorgan87
03-08-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #6
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
The 1450 will do fine. You just need to be smooth with take offs. These guys are right about trans temp. That’s what will kill a transmission, well and snatching gears.
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03-09-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #7
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
Well I decided to play it safe and upgraded further with a 1850 torque 18 speed...should have no problems...
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 Thanks given by: smorgan87
03-09-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #8
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
(02-17-2020 )Lonestar10 Wrote:  I haven't seen my trans above 175 since disconnecting it from the radiator and putting on an air cooler from my Kenworth dealer used to always be 200+

Air cooled here on my 18spd, rarely if ever goes above 175*, running standard gear oil in her.
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03-09-2020, (Subject: 10spd to 13spd(ATTN DRIVELINE GURUS) ) 
Post: #9
RE: 10spd to 13spd(ATTN DRIVELINE GURUS)
(03-09-2020 )Daytripper Wrote:  Well I decided to play it safe and upgraded further with a 1850 torque 18 speed...should have no problems...

Good choice. That should handle over 2k ftlbs without any problems
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