We got the system installed on the yarder. It has been pulling logs steadily for a while now. The response to the engine is night and day different. Here at Offroad Wrench, we plan to continue using your system for our customers. Nate McMurtrey Offroad Wrench
My system was installed on August 26th, 2022 and it seems to be doing great! All is well with about 25,000 miles of the system being on the truck! I have noticed a smoother idle and showing a minimal gain in MPGs, but seems to have helped on the low end with horsepower and torque! I have a downsped Volvo D13TC motor, so my RPMs stay really low (850-1100 RPMs), so the help on the low end is a great payoff! Jerry Rone J&A Trucking, LLC
Newmar 2004 Dutch Star with Cummins ISL 400 Engine I installed the AirDog on my Cummins powered motorhome myself. Easy installation in the same location as the OEM single fuel filter. Return fuel line from the AirDog was tapped into the original return fuel line. Again, it was an easy job. The results are amazing. Throttle response was noticeable on first test drive. I no longer get the hesitation in acceleration and hiccups while increasing the demand on the engine. Also better mileage - pre-AirDog was about 6.6 and after AirDog is 7.0+. The engine now performs like a 400hp engine should perform. My only regret is not doing the change over much earlier. Don M. Rockwall, TX
I am using a Universal 150 GPH (PN A3SPBT461-LP) with E7 Mack. Throttle response is a lot smoother, idles better, and fuel mileage is up ½ mpg. LSD Trucking Leonard Doyle Thomasville, PA
Our utility truck was at best making it through the workday; we were looking for something to help with low power. After the installation of the AirDog, we found an enormous gain in power and I can’t stop grinning every time I drive it. You may not need this kind of power to get from one job to the next when cutting grass, but you do need it when delivering heavy loads over hilly streets and highways to customers. AirDog gives you the power to get there on schedule and reduce fuel costs at the same time! Lawn Care Service Jefferson City, MO
2011 Mercedes Sprinter Van V6 Common Rail There is a noticeable difference on acceleration and especially when driving on the open road. Highway driving was getting 19 mpg. Now with the AirDog, it’s getting 23 mpg. Shannon W. Jefferson City, MO
2013 Paccar MX Before AirDog, there was constant reoccurring engine codes, fuel de-rating and low power. After the installation of the AirDog, none of these problems have reoccurred. The engine regained the power it was designed to have and picked up .2 to .3 mpg. Plus, it has completely eliminated any air locking during filter changes and has over 35,000 miles on the fuel filter. Dennis B. Sioux Falls, SD
Detroit Series 60 After updating to the 4G HD AirDog, I picked up an additional .5 mpg over the original increases. We are truly impressed with the product and telling everyone about it. Millard Trucking Grand Island, NE
Detroit DD15 Directly after installation, the typical gains were not as noticeable. The team drivers left for California from Oklahoma City with a prior average fuel mileage of 6.8. After returning from CA, the new average was 7.8 – a new all-time high for this rig! We are also monitoring the DPF Regeneration and will have additional factual data in lowering the amount of cycles needed. CW Diesel Specialist Oklahoma City, OK
2001 Detroit Series 60 Average mpg was 6.0. After the installation, there was a gain of .5 mpg and enormous power gain. The first trip felt like a race car. Steve F. Wesley, IA
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