作者: Esau Robert N , Koehn Franklin E , Jantz Le Vern D
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摘要: Disclosed is a highway trailer the width of which can be varied from special haul to normal width. The adapted for pulling by relatively lightweight vehicles including pickup trucks and capable hauling farm construction machinery. has four wheels carry heavy loads, but also made with two light loads. Wheel ramps are provided drive on loading mobile equipment, adjustment variation readily achieved one man without equipment.