Machines running off of trucks gas tank?

A lot of trucks, especially the larger ones, will have a port to hook in an additional line. It is usually a quarter to a half above empty so that you don't the truck out so far that you cannot move.
At least, they used to be that way. I don't do it because there are fuel tax rebates of highway taxes. It can be $4000-$5000 per year and machine for me. Adds up to a tidy little sum.
 
I've seen some parking lot sweeper trucks set up like this. I'm wondering if anyone has ever set up a pressure washer to run off a PTO unit off the truck.
 
Our White GMC has two 50 gallon fuel tanks mounted to the chassis. The truck runs on gasoline (454 engine) and the equipment in back runs on diesel.

Gettingwatercrop.jpg

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We use the right side tank for diesel (off road/no tax). We put a small diaphragm pump under the cargo box and pump the fuel up to the engine and burner.

BackofWhite11-06sml9.jpg


We are using a 48 Hp Kubota liquid cooled engine and the boiler is around 800,000 btu's.

Dave Olson
 
apple said:
Is anyone here set up like this?

How did you go about it?
Click to expand...

Our sweepers use one tank for both diesel engines. It works for diesel and gasoline motors. The back motor has a lift pump because its too high to pull the fuel itself. You can use that lift pump for your needs. Its a generic pump sold at napa or advance auto parts. It runs constantly if the engine is on, so make sure you wire it correctly. I don't like the filter that is included in the pack and use a regular clear fuel filter. Just make sure there is no air going into that line, because once that lift pump suck an air bubble it wont prime itself after that.

D.
 
I think most PTO pumps are capable of high gpm's (50+) but cannot get that high psi (25000+) that most of us are looking for. PTO pumps are highly popular in the farming/fire industry where they need high gpm's to be pumped through larger diameter lines. Has anyone found a PTO pump capable of higher psi? I have always wanted to find one for my isuzu.
 
Does anyone know what is the usual minimum to get off road diesel delivered? I have always heard that is the way to go and its way cheaper than at the pump.
 
RGilliam said:
Dave, what size are those tanks in that truck? and whats that front axle rated for!?
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The tanks are 500 gallons each. They just fit between the walls of the box.

The front axle is rated for 11,000 pounds. When fully loaded there is about 10,000 pounds on the steer axle.

If you are interested I just put my business up for sale. Trucks, equipment, supplies etc.

Dave Olson
 
Be the wise man that doesn't bleed out his profits.

For the newer guys..
before connecting to ANY vehicle fuel tank..
be aware some tanks are on a "pressurized system",
connecting wrong can be instant downtime, and/or a huge "liability problem".
In our service center..
we NEVER connect to a vehicle's fuel tank..
we send it next door, to the AUTO-repair-guy,
and let HIS liability insurance cover any leaks or issues.

I love the idea of convenient large capacity,
and more workspace on-deck..
I'm just saying be the wise man that doesn't bleed out his a$$
 
Last edited:
Dave Olson said:
Our White GMC has two 50 gallon fuel tanks mounted to the chassis. The truck runs on gasoline (454 engine) and the equipment in back runs on diesel.

Gettingwatercrop.jpg

2045rsidesml.jpg


We use the right side tank for diesel (off road/no tax). We put a small diaphragm pump under the cargo box and pump the fuel up to the engine and burner.

BackofWhite11-06sml9.jpg


We are using a 48 Hp Kubota liquid cooled engine and the boiler is around 800,000 btu's.

Dave Olson
Click to expand...

Nice clean rig!

AC
 
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