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Old 10-23-2017, 02:21 PM   #1
Mini-Skoolie
 
Join Date: Oct 2017
Location: Big Sky Country
Posts: 13
Year: 1994
Coachwork: Genesis
Chassis: International Harvester
Engine: Dt-466
Rated Cap: 78
DT466 or DT466e?

So the sticker on the valve cover says DT466 with the 230 option punched out.
Date of manufacture is 12/1994. If it was an "E"' would the sticker state this?

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Old 10-23-2017, 03:13 PM   #2
Bus Geek
 
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Location: Eastern WA
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Year: 2002
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Chassis: All American RE (A3RE)
Engine: Cummins ISC (8.3)
Rated Cap: 72
From 1984 until late 1995, the DT engines used a Bosch pump-line-nozzle (PLN) mechanical direct fuel injection system. 1984 through 1992 DTs used a Bosch MW style pump, while the 1993-1995s used a Bosch P style pump, and starting what was called New Generation Diesel engine design, which is still the same basic block design. Mechanical injection was still utilized in trucks up into the 1997 year, but this is rare. In 1994, due to tightening emissions regulations, the engines were redesigned to use electronically controlled unit direct fuel injection. From 1994 to 2004, the engines used HEUI (Hydraulically actuated Electronically controlled Unit Injection) injectors, co-developed by Navistar and Caterpillar Inc

You are right on the breakpoint between mechanical and electronic.

GreyCoyote say: The 466 mechanical has an inline pump with six hardlines exiting it and going to the injectors. It has no ECU and no diagnostic connector.

The 466E has a modular pump, with a single high pressure line. It has a sizable ECU mounted on the drivers side of the engine at shoulder height. It also has a valve cover that integrates the intake manifold (ie, there is 4 inch hose coming off the intercooler and going right into the valve cover. It will also have a grey 6 pin diagnostic connector under the dash by the drivers right knee.
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Old 10-23-2017, 06:57 PM   #3
Traveling
 
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Quote:
Originally Posted by Jarhead View Post
So the sticker on the valve cover says DT466 with the 230 option punched out.
Date of manufacture is 12/1994. If it was an "E"' would the sticker state this?
Sticker does NOT always indicate engine. They must have had a bunch left-over they continued to use.
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Old 10-23-2017, 11:41 PM   #4
Mini-Skoolie
 
Join Date: Oct 2017
Location: Big Sky Country
Posts: 13
Year: 1994
Coachwork: Genesis
Chassis: International Harvester
Engine: Dt-466
Rated Cap: 78
I have the 6 hard lines coming off the pump and the intercooler connecting to the top of the valve cover. So I guess it makes it a manual with delusions of grandeur.
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Old 10-24-2017, 06:48 AM   #5
Bus Geek
 
Join Date: May 2009
Location: Columbus Ohio
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Year: 1991
Coachwork: Carpenter
Chassis: International 3800
Engine: DTA360 / MT643
Rated Cap: 7 Row Handicap
Quote:
Originally Posted by Jarhead View Post
I have the 6 hard lines coming off the pump and the intercooler connecting to the top of the valve cover. So I guess it makes it a manual with delusions of grandeur.
yeppers ytou havew a nice piece of kit! the 'E' would have a large ECM computer hanbging off the side of it and no hard lines. , if you have hard lines going to 6 injectors you have the coveted Mechanical 466 in a high horsepower variant!. what transmission is mated to that? a stick?

-Christopher
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Old 10-24-2017, 08:33 AM   #6
Mini-Skoolie
 
Join Date: Oct 2017
Location: Big Sky Country
Posts: 13
Year: 1994
Coachwork: Genesis
Chassis: International Harvester
Engine: Dt-466
Rated Cap: 78
It's got the MT643.
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Old 10-24-2017, 09:01 AM   #7
Bus Geek
 
Join Date: May 2009
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Year: 1991
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Chassis: International 3800
Engine: DTA360 / MT643
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Originally Posted by Jarhead View Post
It's got the MT643.

even better!
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