ROW 110 fuel capacity - Defender Source
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  #1  
Old January 10th, 2012, 11:22 PM
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ROW 110 fuel capacity

Well, today it happened. I found out exactly where on the fuel gauge "dead empty" is!
The fuel gauge reads 3/4 full when the tank is topped, so I assumed that it was off (reading low on the empty end). Never ran it all the way empty and wanted to track the consumption but pushed it too far and ran out, coasting to a slow and embarrasing stop about 1 mile from my house (luckliy).

after trekking to my house, stealing 2 gallons of diesel from my tractor and getting her to the nearest filling station the tank would only take 18.2 gallons, so including the 2 gallons I put in there that's roughly 20 gallons. I filled it until I could see the diesel in the filler neck. Even shook it a few times to make sure there were no air pockets hiding in there.

I thought the 110s had a higher capacity?
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  #2  
Old January 10th, 2012, 11:47 PM
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Jeff Payne
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Bummer...

I've wondered the same thing. I have put a bit over 19 gallons in mine with the diesel coming into the neck. Not sure of total capacity but I think you've figured it out.
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  #3  
Old January 11th, 2012, 02:43 AM
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Mike Coleman
94 D90 ST/95 D90 SW/83 110
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Yep, 20 gallons. My gauge is real funny too. A full tank registers just below full on the gauge, takes forever to reach the half tank mark (even though my milage shows I should be below half), and then suddenly nose-dives to empty when I'm on the last couple gallons.
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  #4  
Old January 11th, 2012, 08:20 AM
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J. Michael McCaig
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My '85 110 SW has the same capacity as as a RRC. In fact when I had to replace the fuel tank, I found that dimensionally it was the same as a RRC. At the time I saved about a $100 by buying the RRC tank over the 110 tank which was the same except the RRC tank had an extra hole on tope for an in-tank pump. I just made a blank cover plate for that hole and it worked fine.
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  #5  
Old January 11th, 2012, 09:18 AM
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Quote:
Originally Posted by mcoleman762 View Post
Yep, 20 gallons. My gauge is real funny too. A full tank registers just below full on the gauge, takes forever to reach the half tank mark (even though my milage shows I should be below half), and then suddenly nose-dives to empty when I'm on the last couple gallons.
This describes my situation exactly.
Sounds like ROW and NAS tanks are the same capacity.
Now I just have to remember to track my mileage and consumption better to see what type of MPG I'm getting with the 300tdi. I'm told that consumption is improved because of the tuned injector pump and diaphram, but I've noticed pretty heavy consumption if I don't keep the RPMs in the lower half of the range. I'm still learning the quirks.
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  #6  
Old January 11th, 2012, 09:33 AM
the rover shop
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shayne young
89,93 & 95 camel trophy 110s 06 130
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Mines not quite that severe but I get about the same on mine...when that reserve light came on I had about 3 miles to get gas..I ran out of gas on the turnpike one day coming back from picking it up....I can't remember running out of gas prior to that for 30 years... Unfortunately I have just put a new tank sender in so I get to learn it all over again...will put a couple of gallons in a jerry can and run it till it runs out and keep track of the mileage....and then put gas in it...at least that way I know where I stand... I just had an aux tank made for mine, in case someone is interested my welder said he can make more... see my build thread on expedition portal..
http://www.expeditionportal.com/foru...ound-the-world

------ Follow up post added January 11th, 2012 09:37 AM ------

They say that my 200 tdi gets better economy but I have also found that when I ran my 300tdi hard it really sucks fuel...and I have heard that from others as well, you just have to slow down and take your time..LOL>..face it...you're in a defender 110...the rest of the world can wait...screw em..
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  #7  
Old January 11th, 2012, 09:43 AM
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Quote:
Originally Posted by the rover shop View Post
They say that my 200 tdi gets better economy but I have also found that when I ran my 300tdi hard it really sucks fuel...and I have heard that from others as well, you just have to slow down and take your time..LOL>..face it...you're in a defender 110...the rest of the world can wait...screw em..
Absolutely!
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  #8  
Old January 11th, 2012, 10:37 AM
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Both my Defenders 300Tdi have 79 Liters tanks as said in the user manual, aprox. 20.8 US gallons.

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  #9  
Old January 11th, 2012, 11:44 AM
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I would not intentionally run a Tdi engine out of fuel. You can damage the injection pump. If it happens, then it happens. But, 90/110 fuel capacities are given in the owner and service manuals. If you know the capacity and your average economy then you can get close enough just by seeing how much it takes when you refuel and noting the miles traveled.

You don't want this thing running dry...
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  #10  
Old January 11th, 2012, 11:55 AM
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Quote:
Originally Posted by the rover shop View Post
They say that my 200 tdi gets better economy but I have also found that when I ran my 300tdi hard it really sucks fuel...and I have heard that from others as well, you just have to slow down and take your time..LOL>..face it...you're in a defender 110...the rest of the world can wait...screw em..
At full boost, with brake specific fuel consumption factored in and maybe an average of 0.8 bar, you are using at least 80 to 90% more fuel. So if you were getting 25 mpg cruising, 13 doesn't seem unreasonable for hard running
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  #11  
Old January 11th, 2012, 12:03 PM
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Quote:
Originally Posted by Ren Ching View Post
I would not intentionally run a Tdi engine out of fuel. You can damage the injection pump. If it happens, then it happens. But, 90/110 fuel capacities are given in the owner and service manuals. If you know the capacity and your average economy then you can get close enough just by seeing how much it takes when you refuel and noting the miles traveled.

You don't want this thing running dry...
Yeah, that was my thought too. It would have been easy enough to look in the owner's manual for the capacity. Just that the gauge seemed inaccurate and I needed to know where true "empty" was.
When it shut down, it was quick. I realized what was going on and shut her down right away. Didn't even bother to crank it over until I fueled up. Fired almost right away.

...and Soronos - thanks for that. that is helpful to know. Maybe I put too much welly into it and need to back off a bit
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  #12  
Old January 11th, 2012, 12:16 PM
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I don't know how to do that math but it remember that the diesel is only pushing air through the turbo not air fuel mixture. The fuel is metered by the IP. I don't have a boost gauge installed so I can't speak to my boost numbers at the upper range of travel speeds which are generally anywhere from 68-77mph per the GPS. But, fully loaded with all my crap and and with a roofrack, I tend to average about 20 mpg. But, 13 would basically "suck ass" for Tdi economy.

Ed, if I can find your email address I will share my fuel logs with you. If you have gmail it would be better.

Quote:
Originally Posted by sonoronos View Post
At full boost, with brake specific fuel consumption factored in and maybe an average of 0.8 bar, you are using at least 80 to 90% more fuel. So if you were getting 25 mpg cruising, 13 doesn't seem unreasonable for hard running
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  #13  
Old January 11th, 2012, 12:27 PM
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Todd Miller
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I get around 24 mpg with my 200tdi 110 and no mods. I usually keep the speed to around 60-65, which annoys my wife. She is a speed demon. We have a Jetta tdi and when I drive it I average around 40mpg when she drives it the mileage drops to around 37. speed kills the mpg's.
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  #14  
Old January 11th, 2012, 02:14 PM
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Mike
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I have had the 90 300Tdi for over six years. On the highway I get around 23 mpg. The truck is lifted, 285 tires, 4.11 gears. On the trail, all day, I still get around 18-20 if not better. The 110 300 Tdi doesn't do quite as well, getting around 21 Mpg on the highway. However I am still breaking in the new re-build. It is also lifted but running 265 all terr. tires with the standard gear set. As posted above I also notice that speed does play a role in the Mpg figures. The trucks seem to like 65 mph. but not higher. I would think if you are getting 13 mpg then you must be running rich or just have the pump set that way for performance. I would also check the turbo to make sure it isn't tired. As Mr. Ching noted it is not good to run your tank empyt for several reasons. A thread here was a guy that had run empty an sucked a bunch crap up into the lines giving him a lot of issues. You can also suck the water from the bottom of the tank up. Not to mention the problems you may have with your injection pump. If you have a new tank, not so bad.
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  #15  
Old January 11th, 2012, 02:31 PM
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shayne young
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When I ran mine out of fuel I had about 5 miles to go to an exit for a gas station...I found that if you let it sit for a couple of mins you could start it and it would idle for about 2-3 mins...if I put it in gear and let the clutch out I could get her rolling and change gears and then give her a bit of welly and then when it shut off again I could coast,,,after doing this 10 or so times I made the exit and there was a gas station right there... when I put fuel back in it I primed the pump and she fired right up, while I agree this is not the best for the pump it has suffered no ill effects..and as far as debris is concerned, that is what a fuel filter and water seperators job is for..., and on this refit I am installing an additional raycor fuel filter seperator with see through base for constant monitoring and better filtration.. I have had the fuel tank out just recently and she is now completely clean insode, I under stand about the calculation of fuel based on how much fuel in there to how much left WHEN the light comes on but this has way too many variables to get even close to approx range left, whereas you run her dry one last time and then you know pretty accurately what you have left, the difference between knowing 2 miles or 20 can be the difference of me having to climb on the top of the truck, battle with and empty, jerry cans when I may have had plenty..
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  #16  
Old January 11th, 2012, 02:39 PM
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Julian Kotting
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A standard 110 fuel tank is 75 litres not including the pipe, the internal wing extention tanks are 45 litres.
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