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Old 04-25-2019, 10:14 AM   #1
Mini-Skoolie
 
Join Date: Apr 2019
Location: Holstein, IA
Posts: 14
Year: 1990
Coachwork: Thomas
Chassis: International
Engine: DT360
Rated Cap: 35
Which axle?

Hi, new here. Intro post later on today. - have a 1990 IH shorty with DT motor and rotten 545 transmission. It's at the shop getting the lift pump and oil changed and hopefully not the main bearings. I want higher top speed. My local yard had hundreds of rear axles, but are listed by the axles name. Eaton xxx or Rockwell xxx. How do I know what axle I have? The tag and bus are 2 hours away, I'm trying to have a rear gear lined up for when I get it back home. Any ideas?
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Old 04-25-2019, 11:03 AM   #2
Skoolie
 
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Join Date: Mar 2018
Location: Fingerlakes region NY
Posts: 118
Year: 1999
Coachwork: AmTran/Bluebird
Chassis: 3800
Engine: International DT466E
Rated Cap: 72 pax 29500 GVWR
Do you know the VIN of your bus? If you’ve got the papers for it on hand it’ll be on the there. Call up International with the VIN and they’ll tel you what they built the bus chassis with.
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Old 04-25-2019, 11:30 AM   #3
Mini-Skoolie
 
Join Date: Apr 2019
Location: Holstein, IA
Posts: 14
Year: 1990
Coachwork: Thomas
Chassis: International
Engine: DT360
Rated Cap: 35
Got it! I'll try that on lunch today. Thanks, I never thought of that.
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Old 04-25-2019, 01:32 PM   #4
Bus Crazy
 
Join Date: May 2016
Location: Georgia
Posts: 1,367
Year: 2001
Coachwork: Blue Bird
Chassis: IH
Engine: T444E
Rated Cap: 14
Not sure when it was introduced, but mine ('01) has the Spicer N175 axle (saw references for this in the mid 90's).
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Old 04-25-2019, 02:25 PM   #5
Mini-Skoolie
 
Join Date: Apr 2019
Location: Holstein, IA
Posts: 14
Year: 1990
Coachwork: Thomas
Chassis: International
Engine: DT360
Rated Cap: 35
Call the IH dealer. It's a Dana with 4.78 gears. Which dana, it didn't say. But that's a big start.
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Old 04-25-2019, 08:52 PM   #6
Mini-Skoolie
 
Join Date: Apr 2019
Location: Holstein, IA
Posts: 14
Year: 1990
Coachwork: Thomas
Chassis: International
Engine: DT360
Rated Cap: 35
I'm guessing it's the N series, n175 n190 n210, and that the gears had been changed at some point. Using their rpm calculator with what I know to be true, rpms, tire size and gps speed, I'm thinking the gears are 5.63. A set of 4.44 would be great. Vander Haags has them for $500-650 for a whole used carrier.

Is there anyway to know the spline count on the axle shaft without removing it?
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Old 04-25-2019, 10:09 PM   #7
Bus Nut
 
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Join Date: Jul 2017
Location: Rapid City, SD
Posts: 307
Year: 2001
Coachwork: Blue Bird
Chassis: CS RE
Engine: ISC 8.3 L 260 hp
Rated Cap: 36
To know what axle you have for sure see if the shop it's at can take a look at the ID tag on the axle. You don't want to guess if your swapping carriers.

Ted
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Old 04-26-2019, 07:53 AM   #8
Bus Crazy
 
Join Date: May 2014
Location: West Ohio
Posts: 1,026
Year: 1984
Coachwork: Bluebird
Chassis: International 1753
Engine: 6.9 International
Rated Cap: 65
Don't guess on what you need to purchase. Sorry to say it, but you should be there and look at the axle in person before you purchase anything.

If the axle ratio that international has listed doesn't match, who's to say the axle itself matches? I'd hate to see you buy a $500 part that you don't need, can't return, and end up stuck with.
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Old 04-26-2019, 11:58 AM   #9
Mini-Skoolie
 
Join Date: Apr 2019
Location: Holstein, IA
Posts: 14
Year: 1990
Coachwork: Thomas
Chassis: International
Engine: DT360
Rated Cap: 35
After pouring over pages of them, i'm not going to buy anything till I see what I have. Too many spline counts and other possibilities. I'm happy with finding a local source with just about any ration I could want.
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Old 04-26-2019, 02:57 PM   #10
Bus Nut
 
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Join Date: Sep 2017
Location: Swansboro,NC
Posts: 799
Year: 86
Coachwork: Thomas
Chassis: Ford B700
Engine: 8.2
Rated Cap: 60 bodies
I have a salvage yard near me that I use off and on that is not a pick and pull ,won't let you in there yard to look at anything before you pay for it. But you have to pay for it before there mechanics will pull it?
Anyway?
They have a sign at the counter that says
If YOU paid for the wrong part.
YOU now have a spare!
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