What's going on with the Jeep Wrangler diesel concept vehicle on display in the Mopar booth at the SEMA Show? An early news release said it sports a 4.2-liter V6 diesel engine. The wheelstand sign says 4.2-liter diesel engine. We've heard Cummins say they're building a 4.2-liter diesel for light-duty DaimlerChyrsler applications. But peeking under the hood I find a 3.0-liter common-rail diesel engine. None of the Mopar personnel on duty would talk, just saying that it's a concept vehicle and can't explain the sign. We know that Jeep will offer a 3.0-liter CRD, which is made by Mercedes-Benz, in the 2007 Jeep Grand Cherokee. So it appears that someone at Jeep is having too much fun teasing us about the possibility of Cummins engine in a Wrangler. Judging by the response from our earlier post, maybe Jeep should rethink its concept.

More pictures after the jump.

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