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Old 05-04-2015, 09:21 PM   #1
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My new to me 2005 Kenworth Showhauler

I decided that I wanted to get a bigger and more powerful motorhome, so I finally have the new to me MH to show. My prior Super C Gulfstream Supernova was traded off to become this full Class 8 Truck conversion MH. It is a 2005 Kenworth T800 chassis that was converted by Showhauler when the truck was new. Only 43K miles when I picked it up in Indiana. It actually drives real easy and just need to be aware of the length. I think it is one of the very few brand new Kenworth conversions done by any of the conversion companies. Most truck conversions are on Freightliner chassis, with Peterbilt distant second.

Engine is a Cummins ISX, tuned to 450 hp and 1650 ft-lbs of torque (at 1200 rpm!!). The trans is a Eaton Fuller automatic 10 speed, no clutch pedal full autoshift. Being a real big truck engine, it turns 1500 rpm at 70 mph. Not exactly a hot rod driving, it takes fairly long to accelerate to freeway speed, need all of the long on-ramps and even then still accelerating to final speed once on the freeway. Driving home I was doing about 71-72 mph average and got about 6.5-7.0 mpg, hard to tell with only filling the tanks once. BTW, tanks are 80 gal each side (at least). It has air brakes of course, and the twin rear diffs which are really overkill for this. The rear diffs have a switch and it runs on one normally unless you flip a switch to engage the second one. Rear suspension is airbags.

The motorhome part is 35 ft box from behind the cab, and has two slide-outs both on driver's side. One long one for the front portion and then a smaller one for the rear bedroom. The real reason for getting the bigger MH is to do longer trips once retired. I will almost always be pulling a trailer with one of my old cars, or an old car flat-towed behind it. I doubt it will even be any effect for the trailer and/or car behind it. The engine brake in the ISX works very well, there was none in the Supernova.

So here are couple pics:




The layout diagram:


So I am real happy with the new MH, anxious to take a short trip with my wife and really try it out. Has a 12kW Caterpillar diesel generator, enough to run my whole house! Also has a nice big 12 cu ft frig, plenty of space for cold beverages and maybe some food too!
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2005 Kenworth Showhauler truck conversion.
. 44 ft, Cummins ISX15 450 hp, 10 speed, twin screw
I used to have a handle on life, but it broke
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Old 05-04-2015, 10:08 PM   #2
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Terry, that thing is bad asssssss!!

Congrats.

Mike.
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Old 05-05-2015, 12:30 AM   #3
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That's quite some unit
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Old 05-05-2015, 07:38 AM   #4
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Cool

Very Nice
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Old 05-05-2015, 09:34 AM   #5
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That sir, is a show stopper! Congratulations! Is there an elevator from that side door to ground level?


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Old 05-05-2015, 09:37 AM   #6
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Congrats & very nice. You can probably have it turned up to 500 hp by Cummins.
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Old 05-05-2015, 09:52 AM   #7
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Impressive rig, no doubt. No state parks will be seeing you I bet.
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Old 05-05-2015, 02:39 PM   #8
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Thanks all, the height to get in is not any different than my old Supernova. As for total length, it is about the same as the longer class A units. So could limit some parks.
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2005 Kenworth Showhauler truck conversion.
. 44 ft, Cummins ISX15 450 hp, 10 speed, twin screw
I used to have a handle on life, but it broke
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Old 05-05-2015, 02:52 PM   #9
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Awesome, that thing is a beast.
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Old 05-05-2015, 03:32 PM   #10
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Great rig. Looks like the T-Rex of motorhomes....
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Old 05-05-2015, 04:30 PM   #11
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nice!
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Old 05-07-2015, 06:55 PM   #12
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That thing is sweet! Congratulations, very nice.
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Old 05-07-2015, 07:42 PM   #13
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Looks great. Showhauler is a top builder. Truck Conversion is a great platform for an RV. Don't let anybody tell you that's a "Super C." It's a "Truck Conversion." And don't let the service places tack on their extra RV hourly rate. A truck repair place should treat you just like they do a box truck. Same rate for PM service. I get that treatment from my local Kenworth dealer (yes, they are happy to work on my truck even though it says "Freightliner" on the front).
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Old 05-08-2015, 11:04 AM   #14
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VERY nice, congrats!
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