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Old 01-10-2017, 12:20 PM   #11
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Location: South Western PA
Posts: 164
Yeah, years are rather fluid. I drive an 07 according to the labels in the bus, but it was built between 4/06 and 7/06. I see decals with both dates.

We'll be selling some 00 or 01 BB's in a few months. Looked in one and it's basic bus, and has non-matching dates as well.

And last month we got in two new IC buses - it's obvious they were builtin 2016..but are listed at 2018 model year.

Why the weirdness?

One guess is how school districts word contracts. We have one contract that says buses can't be over 14 years old..not sure what the defining date is as we're still running them and they're the 00/01 models..my math says they're 16 years old...

the new contract that we're geting the '18 buses for has a 10 year limit...so we can what, run them till 2028? They went into service in 2016..again, I get 12 years with my math.

Maybe cause it for schools they use that 'new math' i keep hearing about?

Quote:
Originally Posted by Elliot Naess View Post
Hmmmm.... I finally thought to try Wikipedia. And they have a page for BB TC2000.

  • 1991: ... ... As a running change, front bodywork TC/2000 Front Engine is redesigned with a flip-up access panel. This allows for better access and serviceability for drivers and mechanics; it requires the headlight bar and front bumper to be moved forward several inches. On front-engine models, the grille is redesigned for better cooling; 4 chrome bars replace the 4 slots (rear-engine versions use a blank version of the 1988-1990 bodywork). Inside, a redesigned engine cover takes up less space in the driver compartment.
  • 1992: TC/2000 front bodywork redesigned on both versions. Similar to the All American, three hinged access panels allow access to service points and the engine radiator (on front-engine models).
So.... Looks like the bulge was a running change in 1991, then back to flat in 1992.

The bus in question is a 1992 by the VIN, but there is often overlap between years -- especially with "running changes".

Maybe there is nothing in there after all? But I do not see why they would need to move headlights and bumper forward just to create a single top-hinged access panel.

And the extra length makes the 84 pax version exceed 40 feet.
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Old 01-10-2017, 12:56 PM   #12
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Join Date: Oct 2016
Location: Pensacola and Crystal River, FL
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Year: 1998
Coachwork: AmTran International
Chassis: 3800
Engine: Navistar 7.6L
Quote:
Originally Posted by Elliot Naess View Post
Maybe there is nothing in there after all? But I do not see why they would need to move headlights and bumper forward just to create a single top-hinged access panel.

And the extra length makes the 84 pax version exceed 40 feet.
I think maybe federal regs say the bumper has to be out in front of everything?
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Old 01-10-2017, 04:14 PM   #13
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Join Date: Oct 2005
Location: Clearlake, Northern California
Posts: 2,103
Year: 1992
Coachwork: Blue Bird
Chassis: TC-2000 Frt Eng, Tranny:MT643
Engine: 5,9 Cummins
Rated Cap: 84
Bumper out front, no doubt. I still wonder why the hinged panel is not simply flat. The shape stiffens it very well, but vast overkill for the purpose.

Yes, I don't doubt there may be juggling of years for various purposes. But I don't see why it would affect the shape of that panel.

I sure appreciate this input, gentlemen! Please keep it coming.
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Old 01-11-2017, 02:12 AM   #14
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It occurred to me as I was looking at some pictures what the difference may have been.

The original TC2000's had no panel that opened up on the front fascia to access anything. In order to service the windshield wiper motors the whole front fascia would have to be removed.

The bent nose addition allowed for some access to things like adding coolant and servicing wiper motors without time consuming removal of body panels. I would also imagine the washer fluid container was mounted in there as well.

Newer models that went back to a flat front fascia had compartment doors that opened up with the wiper motors attached to the compartment doors for real easy servicing. Flat doors were probably easier and less expensive to build which may have played a part in the change. The coolant and washer fluid fills were located there as well making it very easy to check and to refill.
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Old 01-11-2017, 07:29 AM   #15
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Join Date: Oct 2016
Location: Pensacola and Crystal River, FL
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Year: 1998
Coachwork: AmTran International
Chassis: 3800
Engine: Navistar 7.6L
The "hood" may also been nothing more than a fleet maintenance garage appeasing option. But after a year or two BB bean counters decided they were not being bought often enough so they reverted back to the regular front but added the upper access panels instead.
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Old 01-11-2017, 11:41 AM   #16
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Join Date: May 2009
Location: Columbus Ohio
Posts: 6,396
Year: 1991
Coachwork: Carpenter
Chassis: International S3800
Engine: DT360
Rated Cap: 7 Row Handicap
on my bluebird the engine is a 1999 the chassis is a year 2000 and the body is a year 2000..

on my carpenter the chassis and engine is a 1990. and the body is a 1991...

the title listed dates on both busses are the body year and not the chassis year..

-Christopher
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