I want to buy a van that can pull 7-8 tons. Which brand and model should I buy?

Brand selection: Dongfeng Fengyun Automobile, Chufeng and Xindadi Engine brand selection: Yuchai series/Dongfeng Cummins series cab selection: 153 type, semi-high tonnage (kg): 3495, 7000, 8000, 1 1985 gearbox selection: Dongfeng type, Shanxi. 6730 * 2 150, 2250, 2294, 2300 * 550, 600 front and rear axle model selection: 153, 457, 460, Steyr type girder selection (mm): 232, 250, 280 wheelbase (mm). 10.00-20 brand selection: Dongfeng Fengyun automobile, Chufeng and Xindadi engine brand selection: Yuchai series/Dongfeng Cummins series cab selection: 153 type and semi-high top type (kg): 3495, 7000, 8000, 165438+.