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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.
Ang1769 is offline   Reply With Quote
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.

"Don't argue with stupid people. They will just drag you down to their level, and beat you up with experience."

Patently waiting for the apocalypses to level the playing field in this physiological game of life commonly known as Civilization
nat_ster is offline   Reply With Quote
Old 10-08-2015, 12:24 AM   #3
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Join Date: Mar 2011
Location: Houston, Texas
Posts: 7,120
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
Tango is offline   Reply With Quote

6.17 gear ratio, allison 2000

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