近年来 ,各地农用机动车保有量都迅猛增长 ,旧拖拉机、农用运输车辆的交易也呈攀升的态势。然而在旧机动车辆交易中 ,较多人法制观念淡薄 ,缺少自我保护意识 ;贪图小便宜偷逃税费 ,私下搞君子协定、自签契约等问题。由此而引发了许多意想不到的苦恼和麻烦 ,甚至付出高昂的代价 In recent years, the number of agricultural vehicles all over the country has grown rapidly, and trades of used tractors and agricultural transport vehicles have also been on the rise. However, in the old motor vehicles trading, the legal system concept of more and more people lacks the awareness of self-protection; they evade taxes and fees in light of the petty bargain, private agreements with gentlemen and self-signed contracts. As a result, many unpleasant surprises and troubles arose, and even paid a high price