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Old 10-07-2015, 05:56 PM   #1
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Advice on a Allison 2000

I found a 30' 2004 international FE 300 model GA 39530. It has the DT 466 with an Allison 2000 5speed automatic. The gear ratio is 6.17. We want to convert it and tow a conversion van behind it and be able to go thru the mountains. I know the motor is what I want but have no clue on that transmission or gear ratio. From all of the reading I have been doing I was hoping for the MT643. Any advice is appreciated.

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Old 10-07-2015, 07:43 PM   #2
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Join Date: Aug 2011
Location: Stony Plain Alberta Canada
Posts: 2,937
Year: 1992
Coachwork: Bluebird
Chassis: TC2000 FE
Engine: 190hp 5.9 Cummins
Rated Cap: 72
That gear ratio will need to be replaced with something around 5.38 to a 4.10.

That bus will not go more than 45 miles a hour right at the redline of the engine.

Other than that, it sounds like a great bus.

Nat
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Old 10-08-2015, 12:24 AM   #3
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Join Date: Mar 2011
Location: Houston, Texas
Posts: 8,462
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
One more time...

Here is a gear/speed/rpm/tire size calculator that will crunch the numbers and tell you what to expect. You play "what if" easily with the bottom one on this page...

Engine RPM Calculator
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