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Old 07-08-2020, 11:16 PM   #21
Join Date: Jun 2020
Location: Instagram: @sojourn.expedition
Posts: 23
Chassis: YouTube @ Sojourn Expedition
Engine: Cummins 5.9
Originally Posted by gs1949 View Post
When you get tired of people telling you it's probably a 545, you can take your transmission serial number to the website below and find out what kind of transmission is in there.

I don't know about '89s but for my '95 getting the serial number was a very clean job even on a rainy day because the transmission number is on a metal plate with a bunch of other numbers inside the bus, near the main door above the windshield.

It will take just a few minutes and then you will know what transmission is in there.

I had people tell me I shouldn't trust the guy I bought the bus from because it "probably" was a 545. I was very happy when I found this Allison site and didn't have to listen to that negativity anymore.
Good info! Thank you sir!

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Old 07-09-2020, 05:22 AM   #22
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Join Date: Jan 2019
Location: Philadelphia
Posts: 6,719
Year: 2003
Coachwork: International
Chassis: CE 300
Engine: DT466e
Rated Cap: 65C-43A
Originally Posted by ACamper View Post
Usually schools retire buses at 15yrs due to projected maintenance costs.
A lot of states have laws prohibiting the transport of children in buses older than 15 years, too.
Rusty 87 build thread
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Old 07-09-2020, 09:06 AM   #23
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Join Date: May 2009
Location: Columbus Ohio
Posts: 17,547
Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
Originally Posted by SteveOwensby View Post
I use to build Allison 540's before the 545's came out back in 1980. These transmission conversations are making me feel really old!

in my opinion the AT540 is a lot better transmission than the AT545...
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