DPF cleaning; has anyone tried to...?

[Eagle6.7L]

Hi Truckmen,looking good their my man.Making money the old fashion way.See many a rig's like yours.The CST II is a product from Edge Company based in Utah.It has over 100 functions and displays them on a screen for your viewing pleasure and can give you 9-10 different temps at one view status.To many funtions to list here.But it does give temps during regen,and when regen occurs.How are you buying your DEF by the way.PS your cab clearence looks close...Must be for those low bridges...

 

[Wayne M.]

Wow truckmen, that's some trailer! Does it have hydraulics? I guess there's an electric power unit on trailer? And how does the lower car fwd of axle get off?

 

[Wayne M.]

Couple things here I can clear up.

1. Ammonia sensor does not = NOx sensor. The NOx sensors measure just that ... levels of nitrous oxides in ppm. The ammonia sensor measures ammonia levels. DEF is the source of the ammonia. Diesel exhaust fluid is essentially a mixture of water and ammonia (about 32% ammonia and 68% water)

2. Ammonia is not a byproduct of the reaction. The ammonia is actually added as one of the chemicals that is used to facilitate the reaction between the materials of the SCR catalyst, and the actual NOx, to break down the NOx into more friendly pieces, largely hydrogen and water.

Apparently the ammonia sensor has been problematic, because they are not just eliminating it in our pick-ups. They have been eliminating it in the heavy duty trucks as well (think Frieghtliner etc). This elimination does include a software flash, change in wiring harness, and replacement of the SCR catalyst as well.

Hopefully, this information is helpful

Thanks for the clarification on the ammonia sensor. It must be proprietary to the Ram, because other systems don't have one.
I do have an issue with your ammonia statement. DEF does not have ammonia in it as it's poured into the tank. It is only deionized water and urea. If you want to argue that urea may have ammonia as part of its compound, then I'd have to check that. However I was professionally trained to know that DEF decomposes into water vapor, ammonia, and carbon dioxide when sprayed into the diesel exhaust stream.

 

[truckmen]

Hi Truckmen,looking good their my man.Making money the old fashion way.See many a rig's like yours.The CST II is a product from Edge Company based in Utah.It has over 100 functions and displays them on a screen for your viewing pleasure and can give you 9-10 different temps at one view status.To many funtions to list here.But it does give temps during regen,and when regen occurs.How are you buying your DEF by the way.PS your cab clearence looks close...Must be for those low bridges...

Hello again Eagle6.7

Thanks for the message. I've looked up the information on the CST-II. It's out of my budget for now.
I buy my DEF at WalMart and go for the SuperTech stuff at $7.88/2.5 gals. That's the very cheapest I can find and I buy 4 - 8 containers at a time usually in MT or NH where there is no sales tax. But Still buy it in other states because I run out using approximately 8 container running across country. For example, I left out of VT for Seattle via Tucson, AZ for a total of ~4,600 miles and burned ~20 gallons SO, I think my DEF mileage is ~230 m/gal DEF

 

[truckmen]

Wow truckmen, that's some trailer! Does it have hydraulics? I guess there's an electric power unit on trailer? And how does the lower car fwd of axle get off?

Hello Wayne M.,
It's a 1999 4-car trailer built by Wally-Mo in Tennessee. I don't think they make that particular trailer anymore but is very busy building larger ones. I've stopped by their place of business a few times right off of I-40.

The only hydraulics it has is two cylinders used to raise the upper deck enough to get a car under the 5th wheel pin as the bottom ramp is loaded from the front. The pump is located in the "tray" are at the rear with hydraulic lines going forward to the pistons. It is a 2-way system needing power to both raise and lower it.
I load the lower ramp from the front once I fully raise the upper deck. I have 77" of clearance both under the kingpin as well as when the trailer is set back down in travel mode. Due to the high arch, I am limited when hauling tall vans, etc.
It is a very strong trailer and I think it is better than the more prevalent and much lighter-weight Kaufman out of NC.
Mine weighs 10,000 lbs empty with 2 10,000 lb Dexter axles and I tend to load keeping most of the weight over those and off the drive axle.