| 摘要 |
PURPOSE:To aim at simplification in operation by constituting a changeover between high-speed and low-speed transmission modes in an auxiliary transmission and that between a differential lock and a differential release in a center differential so as to be performable with one changeover means, in a full-time four-wheel drive vehicle. CONSTITUTION:Output gears 21, 23, 25 and an input gear 24 are selectively connected by a sleeve 26. In brief, when the high-speed side output gear 21 of an auxiliary 3 is connected to the input gear 24 of a center differential 8, a differential free mode at high speed transfer is brought into full play. In addition, when the gear 21 is connected to the input gear 24 and the output gear 25 of the center differential 8, a differential lock mode at the high-speed transfer is displayed. When further the low-speed side output gear 23 of the transmission 3 is connected to these input and output gears 24, 25 of the center differential 8, the differential lock mode at low-speed transfer is displayed as well.
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