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Old 10-05-2022, 11:29 AM   #1
Mini-Skoolie
 
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Join Date: Aug 2022
Location: Memphis TN
Posts: 20
Year: 1994
Coachwork: Orion
Chassis: Orion II
Engine: International 4600 7.3
Need help with Orion II bus

Long story short I need any information possible for the engine that I have in my 1994 Orion II bus, Engine manual especially. Cant find any info on the engine online.

1994 Orion II

Vin: 2B1249N79R6005865

model: 02501
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orionII.jpg  

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Old 10-05-2022, 11:52 AM   #2
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Location: Florida
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Coachwork: Integrated Coach Corp.
Chassis: RE-300 42ft
Engine: 466ci
Rated Cap: 90
Orion II

The label the photo describes a Navistar 7.3, which is one of the engines offered. Matted to an AT545

cptdb.ca/wiki/Orion_Bus_Industries
(See: 'Specifications')

What do you want to know about the 7.3?
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Old 10-05-2022, 12:20 PM   #3
Mini-Skoolie
 
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Join Date: Aug 2022
Location: Memphis TN
Posts: 20
Year: 1994
Coachwork: Orion
Chassis: Orion II
Engine: International 4600 7.3
When looking up parts for the engine I need to know what info I need, for example am I looking for 3800 parts, T444e parts ?
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Old 10-05-2022, 12:26 PM   #4
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Engine: 466ci
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1994 was the first year of the 444e (Powerstroke). Maybe one of our other members will chime in and describe how to visually distinguish it from a mechanical 444.
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Old 10-05-2022, 03:50 PM   #5
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that looks like a 7.3 IDI label, you should have hard fuel lines going up to the valley top area of the engine..



what parts are you looking for?



the T444E should be labelled as such and have no hard fuel lines just a bunch of wires
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Old 10-06-2022, 01:06 AM   #6
Mini-Skoolie
 
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Join Date: Aug 2022
Location: Memphis TN
Posts: 20
Year: 1994
Coachwork: Orion
Chassis: Orion II
Engine: International 4600 7.3
Quote:
Originally Posted by cadillackid View Post
that looks like a 7.3 IDI label, you should have hard fuel lines going up to the valley top area of the engine..



what parts are you looking for





the T444E should be labelled as such and have no hard fuel lines just a bunch of wires

Thanks for the valuable info...
First I just want to have an idea of what I'm looking at as far as the engine is concerned. Bus will not start and I would like to check the fuel lines, oil pump and such.

I ordered a bunch of parts, but I don't think they are for this engine
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