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Old 12-07-2018, 11:43 PM   #1
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MPG Expectations

What kind of MPG can I expect from a DT530 with an unlocked 3060?

How much will towing a flatbed with a van on it hurt me?
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Old 12-10-2018, 07:34 PM   #2
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Gearing and cruising speed will matter a lot. But it is hard to guess wrong for a full size bus if you guess 6-9.
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Old 12-11-2018, 08:31 AM   #3
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alot has to do with gearing and terrain.. you DONT want to lug that DT.. ideally you'd like your highway cruise 1700-1900 on that engine in 6th.. and then a downshift to 5 takes it to that 1900-2100 range... lower you'll lug it and kill your MPGs.. too high (above 2300 you make lots of heat and less power) ..


weight plays a part for sure esp if you are climbing and descending grades..



I think 6-9 with your trailer is a good estimate
-Christopher
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Old 12-11-2018, 08:58 AM   #4
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Bummer. I was wanting 20. Jk
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Old 12-11-2018, 10:08 AM   #5
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Bummer. I was wanting 20. Jk



I got 20 once in my red bus.. I was heading to florida right near a massive cold front... the north winds were gusting to 35 and i was headed south.. lol..

-Christopher
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Old 12-11-2018, 10:12 AM   #6
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My Bluebird with the 8.3 and 3060 gets 9-10.5mpg
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Old 12-11-2018, 01:49 PM   #7
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I have a 4.83 gears. No clue if that's good or not.
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Old 12-11-2018, 02:07 PM   #8
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I have a 4.83 gears. No clue if that's good or not.
With OD and full size tires that's a nice ratio.
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Old 12-11-2018, 02:17 PM   #9
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With OD and full size tires that's a nice ratio.
Agreed. I have 5.29's and, at times, I wish for 6th gear or a slightly taller rear.

Without 6th opened up, I think 4.83 is a great highway gearing.

If you are able to get 6th unlocked, 4.83 may be a little tall. In my very humble opinion..... We don't need to go 85mph in our buses....
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Old 12-11-2018, 03:49 PM   #10
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6th is unlocked already. Originally ordered as a sports bus so set up for the highway.
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Old 12-11-2018, 05:18 PM   #11
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What kind of MPG can I expect from a DT530 with an unlocked 3060?

How much will towing a flatbed with a van on it hurt me?

my 15 window dt466 (7.6) puller gets a lil over 11 mpg
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Old 12-12-2018, 05:18 AM   #12
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I've spent a lot of time getting the average for my coach. I admit that it varies a little but generally comes out to 5,001 MPG.

I know...

This is much better than most people get and I'm not sure what they are doing wrong.

For me, the fuel consumption reported by my gauge is usually about 3 MPG climbing a hill. I then record the consumption going down the hill - usually 9999.9 MPG. The math is then pretty simple, add the two data points and divide by the number of data points (2). So, 9999.9 + 3 = 10,002.9 / 2 = 5001.45 MPG.

I feel very good about this number as I am pushing around about 46,000 lbs with a Detroit Diesel 60.
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Old 12-12-2018, 06:06 AM   #13
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MPGs sre very much speed dependent.. i think we all should post our MPGs with our cruising speed.. I just did a 1200 mile road trip and ran 65 up.. (into a decent headwind) and ran 67 going back (very little wind).. the weather is cold so I had a lot of idle time. and I still got just about 11.
-Christopher
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Old 12-12-2018, 07:25 AM   #14
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I've spent a lot of time getting the average for my coach. I admit that it varies a little but generally comes out to 5,001 MPG.

I know...

This is much better than most people get and I'm not sure what they are doing wrong.

For me, the fuel consumption reported by my gauge is usually about 3 MPG climbing a hill. I then record the consumption going down the hill - usually 9999.9 MPG. The math is then pretty simple, add the two data points and divide by the number of data points (2). So, 9999.9 + 3 = 10,002.9 / 2 = 5001.45 MPG.

I feel very good about this number as I am pushing around about 46,000 lbs with a Detroit Diesel 60.
Lol. Seriously it actually got a laugh from my wife.
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Old 12-12-2018, 07:33 AM   #15
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MPGs sre very much speed dependent.. i think we all should post our MPGs with our cruising speed.. I just did a 1200 mile road trip and ran 65 up.. (into a decent headwind) and ran 67 going back (very little wind).. the weather is cold so I had a lot of idle time. and I still got just about 11.
-Christopher
Agreed but bus details should be included. (Engine, trans, OD, length, towing...)

This is the number one question people ask when they learn I have a bus. "You own a bus? That must get terrible mileage." With a family of 8 we have driven our van all over the country and get around 17mpg so relatively speaking the bus is really efficient.
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Old 12-12-2018, 10:37 AM   #16
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Agreed but bus details should be included. (Engine, trans, OD, length, towing...)

This is the number one question people ask when they learn I have a bus. "You own a bus? That must get terrible mileage." With a family of 8 we have driven our van all over the country and get around 17mpg so relatively speaking the bus is really efficient.



in my case my bus is a 6 window bluebird on a 3800 Chassis..(23.5 feet) GVWR is 17000 (I havent got actual axle weight).. engine - 190HP T-444E tuned up to 230HP. Trans - 6 speed allison 1000. (1550 RPM at 65 MPH 6th gear). (1750-1800 RPM at 65 MPH 5th gear {it likes this best})
-Christopher
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Old 12-13-2018, 07:57 AM   #17
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... so relatively speaking the bus is really efficient.
I rarely use non-truck stops for fuel but once at a 'gas station', someone made a comment (that sounded a little snide) about the horrible mileage 'that thing' must get. I simply asked them; "What kind of mileage does your home get??"
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Old 12-13-2018, 08:56 AM   #18
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I rarely use non-truck stops for fuel but once at a 'gas station', someone made a comment (that sounded a little snide) about the horrible mileage 'that thing' must get. I simply asked them; "What kind of mileage does your home get??"



then you ask them.. "How much FUN per galloin do you get in that corolla?"
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Old 12-13-2018, 12:46 PM   #19
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I rarely use non-truck stops for fuel but once at a 'gas station', someone made a comment (that sounded a little snide) about the horrible mileage 'that thing' must get. I simply asked them; "What kind of mileage does your home get??"
Hey JD,

What kind of mileage do you really get?

I managed 7.25 OMG pretty consistently running cross country in my Eagle with 8v71 & HT740.
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Old 12-16-2018, 02:52 AM   #20
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T-bolt, what year/size is your bus?
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