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Old 04-11-2015, 06:08 PM   #1
Bus Geek
 
Join Date: Aug 2011
Location: Stony Plain Alberta Canada
Posts: 2,939
Year: 1992
Coachwork: Bluebird
Chassis: TC2000 FE
Engine: 190hp 5.9 Cummins
Rated Cap: 72
Really big auto transmissions

I think this is the series of trans in that big coach I bumped back to the top.

http://www.allisontransmission.com/d...3.pdf?sfvrsn=2

They can only handle 2700 ft pounds of torque.

They can be found in big heavy powerful units like fire trucks, ect.

Nat
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Old 04-11-2015, 10:47 PM   #2
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Join Date: Feb 2012
Location: Salt Lake City Utah
Posts: 1,330
Year: 2000
Chassis: Blue Bird
Engine: ISC 8.3
Quote:
Originally Posted by nat_ster View Post
I think this is the series of trans in that big coach I bumped back to the top.

http://www.allisontransmission.com/d...3.pdf?sfvrsn=2

They can only handle 2700 ft pounds of torque.

They can be found in big heavy powerful units like fire trucks, ect.
What was the weight of that coach -- didn't the thread call it out a little over 40,000? This transmission is almost 6% of that vehicle's weight! (and that's not including the transmission oil..)
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Old 04-11-2015, 11:54 PM   #3
Bus Geek
 
Join Date: Aug 2011
Location: Stony Plain Alberta Canada
Posts: 2,939
Year: 1992
Coachwork: Bluebird
Chassis: TC2000 FE
Engine: 190hp 5.9 Cummins
Rated Cap: 72
Quote:
Originally Posted by family wagon View Post
What was the weight of that coach -- didn't the thread call it out a little over 40,000? This transmission is almost 6% of that vehicle's weight! (and that's not including the transmission oil..)
Yup 3920 pounds of coach.

Nothing like a transmission that weighs over 2420 pounds.

Now we know why they need a tag axle.

Nat
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