Recent Posts

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31
2003 was the 1st year for the start of emission crap

dave
32
Oil sample are good if you have a base line from previous oil change,even with fresh oil one will show coolant and diesel fuel in the oil and that is about all it will show

It seems that it would have quite limited usefulness.

Seb
33
careful on oil analysis. owner may have just changed it, and info wont be accurate. But good idea for finding issues. Trouble is, most are too emotionally involved to do serious check out.

Of course.  Buyer beware :-\

Seb
34
Have someone pull the engine info from the ECM it tells a lot,the engine life history is in that box,if it hasn't been changed ,better check the B500 Allison too

Aaahhaa, ok, good suggestion, but from the way you said that, it could be changed?

Seb
35
It would be a prudent thing to do, the results won't be dramatic if everything is normal, or the oil has been recently changed, but it can catch unusual amounts of wear metals, antifreeze contamination. It should not replace careful inspection and road testing.

Yes, indeed.

Seb
36
To everyone who responded, thank you.

I'm guessing that anything older than 2000 is pre EGR?

Seb

37
12.7L, one of the best engines of all time, up there with the CAT 3406. Have the bull gear bearing play checked.

Thanks

Seb
38
Both are great engines. I have had both in a 45' DL3. For a 40 footer an 11.1 would be fine if you find a bus that you just really can't pass up, otherwise look for the 12.7 it's a much nicer driving experience. Try to get a pre egr engine. The 11.1 is usually up to around 350hp and 1150 tq, there were a few reflashed to 365 and 1250tq i believe. The 12.7 can be up to 470hp and 1550 tq with a factory flash, or higher if you find someone who is willing to tinker with it for you. Most coaches with 11.1 would have shipped with it set at 330/350 and the 12.7 anywhere from 370 to 430. Fuel mileage is going to be similar on both engines. I picked up about 1mpg when I swapped the 11.1 out with the 12.7.

Just my two cents, do with it what you will.

Great, thanks, this is what I was looking for.

Thanks

Seb
39
Get a pre 2000 12.7L with no egr. Mine is 430hp 1600 tq. Series 60s are absolute torque monsters

We have a 11.1 L in a crane factory set at 300 hp, 1800tq🙂


I am at 2050 ft lbs steep grades mean nothing to it
40
Get a pre 2000 12.7L with no egr. Mine is 430hp 1600 tq. Series 60s are absolute torque monsters

We have a 11.1 L in a crane factory set at 300 hp, 1800tq🙂
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