Fuel tank capacity Monaco Cayman 2003 Diesel

[Kidoo]

I would like to know how much fuel you put in your fuel tank? The book says 75 gallons. The other day, it was between empty and 1/8 and I added only 53 gallons. So this would be 22 gallons left to use, quite a good leg of travel. I am scared to take it down to Empty.

[dougrainer]

The fuel sender on Roadmaster chassis can be calibrated by set pot screws on top of the sending unit. Roadmaster chassis have access to the top of the Diesel fuel tanks unlike Frtline and Spartan. You fill the tank up and then adjust the set screw in small increments until the gauge needle is on the full line. It can take up to 30 minutes to do this as the gauge needle takes time to respond when adjusting the set screw. Doug

[DSDP_Don]

Monaco uses a large side to side tank and a Centroid fuel gauge. Because of the design of the tank and the fact that the Centroids are not very accurate, your fuel gauge will be way off. The Centroid fuel gauge sending unit is adjustable, but takes some work to get it relatively accurate.

[WILDEBILL308]

I wouldn't call it unusable I would call it a reserve. You can use it in an emergency or if you feel lucky. In my younger days I would use the whole tank. This works out till you hit that situation where you coast off the hiway on fumes and find they are out of diesel. Had another place that was having power problems and the pumps wouldn't work. I start looking at 1/2 tank.
Bill

[Kidoo]

jwmII wrote:
Monaco in the past has recommended not taking the coach fuel level below 25%. This was found in their owners manuals. Sounds good to me. I usually start looking to refuel at half a tank. Never let it go to 1/4 or 25%.

Probably because it is a rectangular flat tank, it depends on how the fuel pick up tube is place and if there is more than one pickup, especially when fuel gets displaced going on long down or uphill.

25% would be like very close to empty line, like I was, this is too bad to carry that much or unusable fuel.

[doxiemom11]

You don't want to go below 1/4 if you have a generator that is supplied from your fuel tank. A safety feature will keep the generator from running below that point to make sure you don't run out of fuel. We have never filled our Monaco from empty to full, so don't know. Ours is supposed to be a 75 gallon tank also (gas) and we start looking for a gas stop when we have between 1/4 and 1/2 tank.

[jwmII]

Monaco in the past has recommended not taking the coach fuel level below 25%. This was found in their owners manuals. Sounds good to me. I usually start looking to refuel at half a tank. Never let it go to 1/4 or 25%.