One thing hasn't: Cummins Engine, the world's biggest maker of heavy-duty diesel engines, still doesn't make money.

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Boeing and Cummins Engine of 40 years ago.

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It has a 5.9 litre Cummins turbo diesel engine (2) at the front that allows it to reach a maximum of 65 kph (40mph) on roads.

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Michael Cross, who heads up emissions solutions at diesel engine maker Cummins, says they will need help from an exhaust treatment system.

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Another industrial large cap, engine-maker Cummins, echoed this sentiment.

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Cummins owned the high horsepower truck engine business then, not International Harvester.

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The large engine manufacturers, such as Cummins, Peterbilt, Caterpillar, and Navistar are all building LNG engines.

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Cummins' bread-and-butter N14 diesel engine was basically a 1970s model with lots of tweaks.

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Cummins is the largest foreign investor in China's diesel-engine industry, with seven joint ventures.

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Cummins is leading global manufacturer of diesel and natural gas engines, engine-related component products, and electric power generation systems.

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There's no reason Cummins can't do at least as well as Caterpillar's engine group, which typically posted 9% operating margins before its acquisition of Britain's Perkins Engine.

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