The following listed customer’s time is as valuable as yours. Please respect these companies and call us at American Diesel Systems should you have any questions regarding their testimonials. If we cannot fully answer your questions, we can arrange a time for you to call our customer in advance to avoid disturbing them unannounced. Thank you in advance. ADS staff

We have been a customer of American Diesel Systems for many years. We have used the Diesel Magnum product since its first generation 1 model came out. We are very pleased with the results. The fuel savings and added horsepower is an extreme benefit to our fleet of trucks. Our Drivers are extremely satisfied with the product. This new version of the product is the easiest propane system I have ever installed. Installations take us about two and a half hours. The software will tell you if you do something wrong on the install. It just doesn’t get any easier than that. There is no other product on the market that compares to the Diesel Magnum.

A lot of our locations are in the mountains, we turned to the propane hybrid system to help those trucks get a little more lower end torque. Happy to report it has worked out very well. The drivers have been very complimentary over the system. It’s basically cost, is the reason you do anything anymore. It’s been an instant savings for us and has been very noticeable right up front. Everything we are doing now, has your system on it, when we think new truck, we add that into the equation, because we know that’s going to be part of it now.
Larry Shehan Fleet Manger Freeman Gas Co.

We are seeing results immediately with the system. You can tell instantly from the get go, that the system works. It’s providing a lot better fuel economy for the trucks and power. The value is the fuel savings and the power right off the bat. I don’t see where any Diesel engine should be without it, it’s a win, win.
Bryan Overcarsh Manager Freeman Gas Co.

I have used and tested propane injection system for many years. I started using Jeff’s Generation 1 product after I met him at the Indianapolis trade show. There is no product out there that compares to the Diesel Magnum and probably never will be. The guys at American Diesel Systems are always improving the product and they stay focused on safety. It’s fully automatic and will not harm your engine. That is important to me, because I had a competitors system on one of my trucks and it did harm one of my engines. I don’t see any other products out there that have the fail safes, like the Diesel Magnum does. I am certain that no other product can achieve the results the Diesel Magnum does either. It is in a class by itself.

We have installed and are currently using the Diesel Magnum Propane System on our 100 plus Class 8 truck fleet. We have them on a variety of makes including new Peterbilts, Kenworths, and Navistar models. We have used many fuel cost savings products and followed propane injection technology for several years. We have achieved fuel cost savings with other products, but none of them have worked anywhere near as well or as consistently as this new Diesel Magnum system does. The safety and intelligence features it has, puts it in a class of its own and once it is set up, there's nothing to adjust - period. In this tough economy and with our margins as tight as they are, I wouldn't be without it. Our DM up fitted trucks run better, burn cleaner and have more power, yet we save thousands of dollars every year on the truck fuel bills, roughly $12,000.00 per year, per truck at today's fuel prices.

If you are a trucker, I don't think there is anything you can invest in your truck, or trucks, that will give you a better return. I highly recommend this to anyone wanting to cut costs. Propane is abundant and cheap now. Just make sure you buy it right. You can't go wrong.

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