Itasca Meridian 39K with Cummins 6.7

A few mods and you will add almost 200 reliable horsepower. Take it to a reputable diesel shop in your area and they can take care of you. My ram 6.7 has near 500 whp and 278k miles. Do your homework and you can significantly increase it's performance.

KCFDCapt wrote:
I have a 2007 Itasca 39K with the Cat 350 HP 3126 engine. I live in the Sierra Nevada mountains and travel Hwy 395 to Reno frequently. You will not pull Sherwin Grade or top Conway Summit at the legal speed limit. I tow a Ford Explorer behind ours and always say I will be there when we get there. The speed up these grades is around 40 MPH. It is not floored, but I like to allow a margin for the engine to be cool. I have a rear radiator in my coach.

Hope this helps. We are pleased with the coach and its performance.

KCFDCapt,
Ex FD huh? Me too. Anyway, just wondering. You state your '07 Itasca is sporting a "3126"? Ours is an '04 Itasca Horizon 36GD with the CAT C-7 330HP engine. I've always been lead to believe that around 'Sept - Oct of '03 was the change-over from the CAT 3126 series to the C-7 series and, it was C-7 from that point on. So, yours is the first one of that year that is reported with the 3126 engine that I've read of.
Scott

^^^ This goes directly with what Ivydog posted; your 350 HP Cat has a fair bit more torque than the 350 HP ISB Cummins in question.

As has been a hundred times, HP sells but torque is what gets the job done. I'll take more torque every time.

I have a 2007 Itasca 39K with the Cat 350 HP 3126 engine. I live in the Sierra Nevada mountains and travel Hwy 395 to Reno frequently. You will not pull Sherwin Grade or top Conway Summit at the legal speed limit. I tow a Ford Explorer behind ours and always say I will be there when we get there. The speed up these grades is around 40 MPH. It is not floored, but I like to allow a margin for the engine to be cool. I have a rear radiator in my coach.

Hope this helps. We are pleased with the coach and its performance.

The 6.7 is a good little engine but the 350 HP is misleading as a 08 may only have 650 ftlbs torque... in 2011+ it's 800. A 350 HP 8.3 Cummins has 1000+ torque so in this case the 1 HP/100 lbs rule of thumb for MHs does not apply very well. Will it get you there, yes but on some of the really high passes in CO you may want to let the DW drive the Jeep over the Pass.

That will work, but you won't break any records doing it....