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Old 09-16-2015, 08:24 AM   #1
Mini-Skoolie
 
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Join Date: Sep 2014
Location: Fort Riley, Kansas
Posts: 42
8.3 Cummins & Allison 3000. Questions.

I'm looking at a BlueBird RE with an 8.3L Cummins and an Allison 3000. Since I'm not much mechanically inclined, I thought I'd poll the collective wisdom of the forums:

1. From what I can tell on the forums, the 8.3 Cummins is a solid engine. The one I'm looking at has 190k miles on it. What issues can I expect?

2. Is this a good combination with the Allison transmission? How can I know the number of gears and the ratios? (I've asked for pics of the data plates, but haven't received them yet).

3. It's a UT bus, from the Salt Lake area... anyone got experience with UT buses? Please advise on potential for rust!
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Old 09-16-2015, 09:29 AM   #2
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Join Date: Mar 2011
Location: Houston, Texas
Posts: 6,169
Year: 1946
Coachwork: Chevrolet/Wayne
Chassis: 1- 1/2 ton
Engine: Cummins 4BT
Rated Cap: 15
Not that familiar with the 3000, but the rest of the package sounds good. That Cummins should easily be good for a half-million miles but that depends on it's history and maintenance. The best engine poorly maintained can turn into a boat anchor.

Is there any way you can get it's service records? Most school districts keep a very thorough mechanical history on each unit.

And as for Utah, my 1946 Chevy Shorty spent it's whole life there and was in surprisingly good shape. Mostly minor rust with a couple of exceptions that I attribute to the way it was built.
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Old 09-16-2015, 12:48 PM   #3
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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
The Allison 3000 is the same family as the MD3060. It may even be the 3060.

They are all great transmissions. There is no bad 3000 series Allison.

Nat
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Old 09-16-2015, 01:21 PM   #4
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Join Date: May 2010
Location: Montana
Posts: 1,615
Year: 1995
Coachwork: Blue Bird
Chassis: All-American R/E
Engine: 8.3 Cummins
Rated Cap: 72
Ask to take an engine oil sample before you buy it.
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Old 09-16-2015, 02:29 PM   #5
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Join Date: Feb 2012
Location: Salt Lake City Utah
Posts: 1,328
Year: 2000
Chassis: Blue Bird
Engine: ISC 8.3
It's.. probably a good package? We do salt our roads here, though not so much as the "rust belt" salts theirs. Send me a PM if you want me to go look at it for you (I'm assuming it's still in the Salt Lake area, not only "from" the area).
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