| 21. | There is no wasted sheet metal, no four-wheel-drive systems whirring away unnecessarily underneath.
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| 22. | But what is best about this new Jeep is its new all-wheel-drive system.
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| 23. | Chrysler engineers said the feature would have made the optional four-wheel-drive system impossible.
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| 24. | "Full time " four-wheel-drive systems are the most convenient and expensive.
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| 25. | Four-wheel-drive systems have been around about as long as there have been cars.
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| 26. | The Bravada that I drove had Oldsmobile's Smart Trak all-wheel-drive system.
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| 27. | Modern systems use electrical control and drive systems for the winches.
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| 28. | A full hollow shaft ( folded cardan ) drive system is also optional.
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| 29. | The most sophisticated and expensive four-wheel-drive systems are often called permanent.
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| 30. | The drive system was based on the one used in the French Tracta.
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