Allison iron horse

I have only used separate hot boxes instead of complete machines. Biggest downside is that it takes up a bigger footprint in the back of the truck.
It shouldn't. You can buy the vertical hot box which only takes up aprox 2.5sq'. The horizontal burner hotbox you can put it in an area that might have been dead space instead of having a whole hot water skid take up one large area.

From what I have the separate hot box and PW take up less floor space then my skid PW and the PW with the hotbox aren't near each other so the room is easier to negotiate.
 
Manufacturers need to have large optional units that can pull double duty. Thats what I see in the future for pw machines.

Driver with: dual pumps and automotive alternator; or pump and medium size generator (5000 watts); or pump and vacuum blower, with driver exhaust inlet water preheating.
 
It shouldn't. You can buy the vertical hot box which only takes up aprox 2.5sq'. The horizontal burner hotbox you can put it in an area that might have been dead space instead of having a whole hot water skid take up one large area.

From what I have the separate hot box and PW take up less floor space then my skid PW and the PW with the hotbox aren't near each other so the room is easier to negotiate.

Ok, but that works best with open trucks more then an enclosed truck. You can't exactly throw a hotbox in a back corner of an enclosed truck/trailer that is considered dead space. I see your point and your trucks are laid out fairly well, but with enclosed trucks/trailers things change a little.

I only have separate hotboxes in my 2 setups and have to work on or maintain a combination unit for my business partner. I hate working on it due to how close everything is, and hate how all the weight is in one spot, but the foot print is smaller then his other separate setup. Different setups are always going to be different, but since height takes up little to no extra space in most trucks putting everything underneath a burner and keeping to the burner foot print will always be a smaller foot print then separate.
 
Just so we are on the same page Benjamin, are you talking about the hot boxes with vertical burners or the horizontal burners as there are companies out there that make both kinds.

If you wanted to, you could probably have a welder make a frame for either kind to raise it up off the floor a couple feet to give you room to store things like fuel tanks (for those hot boxes that do not have a fuel tank built into the frame), tool boxes, small chemical tanks, buckets of chemicals, hose reels, or just about anything.

I am looking at an enclosed truck very soon (box truck) and trying to figure out how to position everything so that the weight will be evenly distributed as I will not be hauling water all the time but might have to once in a while for fleet washing so right now until I find the right box truck, I am not sure how big of a box it will have but I am guessing about 14' to 16' but I plan on only having 1 hot water skid in there and a cold water rig besides the chemical drums, water tank, hoses, etc....
 
Separate hotbox, I only use horizontal myself, but do have to maintain 2 vertical ones for my business partner.

Here is an example of a small foot print one that I am referring to.

http://www.landa.com/ViewCategories_Template3.aspx?Pid=1035

Everything, all the fuel tanks, pumps, engine, all fit under the burner and the width is no bigger then the burner. A PITA to work on these are with everything so close, but the foot print is smaller.

You can get a welder to put make a stand and put it up a few feet higher, but the goal when building the trucks are to keep the weight low, not put it up higher. Plus may of you guys try to keep everything low to fit into parkades, so putting a horizontal hotbox on stilts is not a solution for most. Vertical hotboxes you really don't want to raise due to their weight vs height, and typically once you put on a fuel tank of good size the footprint is 2/3 a horizontal one.

My experience is with both, I prefer them separate for trouble shooting and ease of maintenance though.

Look at John's big Ford
http://www.propowerwash.com/board/upload/attachment.php?attachmentid=17037&d=1305478440

Raise the single hot box 2 inches, change the dimensions of the fuel tank, ie double the height, half the length and move the battery and that big kohler could probably fit underneath. I have no exact dimensions, this is all an eyeball off a photo that he posted. Put that all under there and those two hose reels that are under the truck can fit where that engine was. Move the unloader and the valves on the base and put them on the burner frame and you can loose the red base and bolt the engine with rubber feet right to the truck.

Not worth the hassle for me to want to try, but combining the two in one foot print can and will save you space.
 
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