2006 Caterpillar Western Star C-15 Acert
It works well. I recommend it to those who are looking for a little bit more horsepower and a little bit more performance, particularly out of that C-15. It will change the dynamics where you will just notice a difference in the quietness and also the way it runs down the road. watch a
video of the entire testimonial.
Earnest Landvatter
Aberdeen, ID
2006 Acert Cat in 2007 Peterbilt 386
Pulling 110 to 120K oversized/overweight loads on the truck, I'm seeing an increase of 8/10s running the economy with power setting. I've gained 2 gears on the mountains. My buddy has a 600 and I can now out pull him with my 550. We both have 18 speeds, but I have the 3:73 gears and he has the 3:55. The Power Pup does a good job. I'm definitely well pleased with it so far. Thank you for putting something out that will help us.
Richard Castle
North Carolina, USA
Cat C-15 Acert Running Great.
I pull heavy loads, generally 100K or better. Before installing the Bully Dog Power Pup with the economy with power setting I was averaging 4.9 MPG on my '06 C-15 Acert. Now that the downloader is installed I'm averaging 5.5 MPG.
The biggest difference to me however if the way the truck is running. Pulling a 6 percent grade with the loads I'm hauling in the past I would hit the top of those grades at 20 miles an hour. Now that I have the downloader installed I'm pulling the same loads up those grades peaking the top at 35 to 42 miles an hour and I've gained 3 gears in the process. On the little mole hills I can keep in 13th gear and maintain a steady 58 miles an hour. That a tremendous difference for me and I'm extremely pleased with the product and how my truck is running now. Thank you.
Michael Paulsen
Idaho, USA
3406E Power
Running a 1999 Peterbilt with a 3406E, pulling a 53 foot spread axle reefer. I'm always pulling 80,000 or better. With the economy with power tune installed I've picked up between 1/2 mile to 1 mile improvement in fuel economy. The engine has a lot more torque with the tune installed and I have been impressed so far.
S.G.
North Central Region
Cat Tuner for the 3406E
The truck has come up 1/4 to 1/2 mile per gallon increase with the economy with power tune install on my 3406E. I'm really pleased with the product. It's working well. Thank you.
Dan W.
Rocky Mountain Region
C-15 runs like the old mechanical engines now.
I'm hauling coal pulling heavy loads up long grades running a consistent daily route. We installed the Cat Power Pup over 6 months ago on my C-15. I like how the truck runs with the economy with power tune installed. It's a completely different motor with the tune installed. You have a lot more throttle response and the engine seems to run a lot more like the old mechanical motors. I like it. It has brought up the fuel economy 4/10s. It is working well.
Joe M.
Rocky Mountain Region
C-13 Fuel Economy
I have an early '07 C-13 Cat. We generally pull either a tank trailer or a grain hopper. Before installation of the Power Pup we would see fuel economy out of the truck of between 4.5 to 5.0 MPG. A real good run was anytime we were over 5.0 MPG. We purchased the Power Pup and installed in Nov/Dec of 2008. With the Power Pup installed we are consistently seeing fuel economy of 6 MPG pulling the hopper and up to 7 MPG pulling the tanker.
The Power Pup has helped the motor a whole lot. The economy tune makes the engine run real smooth. The economy with power tune runs real smooth as well if you keep your foot out of it. We figure on the safe side that we are averaging a pick up of 1 MPG with the Power Pup installed. That adds up pretty significantly with the price of fuel. It has really helped our C-13 a lot. We are very happy with the Power Pup. Thank you for this product.
Jim McGreal
Illinois, USA
Oil Drill Powered by Cat C12
Just wanted to say thanks for your help getting this installed. After installing the power tune the driver took it for a quick drive and came back grinning from ear to ear. We'll see how the fuel economy gains work out, but right now we are very pleased with the way this rig is working now.

Update:
After the install this rig was driven from Alberta to Quebec. As you can see getting this rig in and out of fuel stations can be a little bit challenging. The fuel tanks on the rig are small so frequent fuel stops are the rule. With the Bully Dog tune installed the rig used $700 less fuel on the trip from what it normally had cost in the past. The driver didn't have to make as many fuel stops and was extremely happy when he arrived ahead of schedule. He got the best of both worlds, extra power and improved fuel economy.
Ty
Alberta, CANADA
Love my Acert Twin Turbo Cat Now
I've run 6,200 miles since I put the Power Pup in. To be on the conservative side it has picked up 4/10s. It has done better than that, but it will constantly do 4/10s. The Power makes the truck enjoyable to drive. It runs smoother and made a totally different truck out of it. I was leery spending that kind of money on something that might not work, but you have a really nice product.
I was running on average 5.8 before and now I'm doing 6.4 to 6.7. It will do 6.2 constantly and that is why I'm very comfortable saying 4/10s. I pull a tank so of course I run a lot of empty miles. I have a '05 Cat Acert twin turbo and you know that they are notorious for being fuel hogs and dogs, but with the Power Pup it runs better than an old 550 now. It's nice. Before purchasing I was looking for fuel mileage even if I didn't gain power, but I got both. I'm impressed and have no regrets spending the money. It's nice to have someone make something that really works. Thank you.
D. Dekeyrel
Illinois, USA
Freightliner 475 Cat
The Power Pup is working good on my Freightliner 475 Cat. She is working a lot better than she ever did. It’s not the same truck. We installed the Power Pup right around Christmas time. Running stock I was getting 4.1 MPG and now I’m up over 5 with the economy with power tune installed. It has more horsepower and is better on fuel at the same time. It’s a different truck altogether. Thank you.
Barry Peters
Nova Scotia, CANADA
2006 Pete with Acert Cat 550
I have a '06 Pete with a 550 Acert Dual Turbo Cat. I purchased my truck new and added a heavy haul package shortly after purchasing the truck. My fuel economy with this heavy haul packages was between 5.6 to 5.7 MPG Canadian. With the Bully Dog set on the economy with power tune I'm up to 6.0 MPG Canadian so I've picked up .3 to .4 tenths in fuel economy. I pull a 3 axle end-dump on a steady run hauling lime sludge that is a waste product from the oil that is pulled out of the ground. So I’m running loaded with maximum weight one way and empty coming back. With the tune installed I’m very happy with the power increases. With the heavy haul package on my truck it pulled pretty good, but it pulls even better with the Power Pup installed. There are some pretty good grades on my run, including one that is a 6% grade that is a kilometer and a half long. Before I would top it at 80 kilometers and with the Bully Dog I now top it at 90 kilometers per hour so the Bully Dog added an extra 10 kilometers. My pyrometer came up maybe 50 degrees so I’m still in a safe range with the EGTs. My boost pressure before was 51 lbs and it is now pulls at 55 lbs. I love this program and would never take it out. You wouldn't be able to pull it out of my truck without killing me first. I would recommend this product to anyone.
Mark Wood
Alberta, CANADA
Fanastic Power
The Power Pup is great. My engine is running smoother and better and the power is fantastic. I pull tankers for a living. I have an '07 379 short hood with a 475 Cat and 3:70 in the rears. For a non-aerodynamic truck I'm getting 8.1-8.2 Canadian Gallons MPG when the truck is loaded and 9.5 when it is empty. Before I installed the Power Pup I was getting 7.1 to 7.5 MPG loaded and 8.1 running empty, so the Power Pup has added almost a mile per gallon to my fuel economy. I do all of my calculations using paper and pencil when I fill up, so I'm confident in my numbers. I'm really glad that I installed the Power Pup on my truck. It is doing everything that the rep that I talked to claimed that it would do. There are a lot of products that don't live up to their claims, but this product has. I'm very pleased, and have been telling other drivers the success that I'm having with this product.
Chris Owen
Ontario, CANADA
Hauling Super Loads
I haul super loads, primarily 8 and 9 axle trailer loads with my ’06 Kenworth T-800 550 Cat. The Power Pup is working really, really well. With it installed I've seen a tremendous boost in power. I've gained at least a mile per gallon Canadian. Previous to the Bully Dog, I was getting 3.5 MPG pulling high loads and now I'm getting between 4.5 to 5.0 MPG. In the hills I've gained at least a gear. Before when I was pulling 150,000 lbs. loads up some tough pulls near Regina I would pretty much have to shift all the way down to the basement on my 18 speed transmission, but now I can still stay up in either 5th or 6th gear which is a tremendous gain. I've already help sell four of these Power Pups to other truckers based on my recommendation so I definitely recommend to other drivers to put a Bully Dog on their rig.
Jerimey
Regina, SASKATCHEWAN

Instructions For Caterpillar Big Rig Power Pup
Technical Data Sheet For Caterpillar Big Rig Power Pup
No field trials available for Caterpillar