2010 Tiffin Phaeton 42QBH powertrain
Looking at buying a 2010 Tiffin Phaeton 42 QBH with 18k miles. Powertrain is Cummins ISC turbocharged, aftercooled (360 hp, 1050 ft lbs torque) with Allison 3000MH six-speed on a Freightliner Tag Axle...
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I always felt that the tag-axle Phaetons were underpowered when they had the ISC, when everyone else seemed to be putting ISLs in their tag models. Apparently Tiffin heard that from enough people that they upped the engine to an ISL a few years ago. Remember that the 42-foot-plus tag axle model weighs about 10,000 lbs. more than the 40-footer with the same engine. Sure, it will get you there OK, but more engine is seldom a bad thing.
