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项次年份机具型号配套动力额定效率(亩/小时)生产厂家1998TN-4Y3TN600LD拖拉机4~8天津拖拉机制造有限公司4Y-390马力(自走)8~2河北省赵县农机修理制造厂4YY-2TN600拖拉机*石家庄农业机械有限公司4YB-2上海-50拖拉机4~7河北省行唐县机械厂1999TN4Y-3TN600LK拖拉机4~8天津拖拉机
(Year / Year) Manufacturer 1998TN-4Y3TN600LD Tractor 4 ~ 8 Tianjin Tractor Manufacturing Co., Ltd. 4Y-390HP (Self-propelled) 8 ~ 2 Hebei Zhao County Agricultural Machinery Repair Factory 4YY-2TN600 Tractor * Shijiazhuang Agricultural Machinery Co., Ltd. 4YB-2 Shanghai -50 Tractor 4 ~ 7 Hebei Tangxian Machinery Factory 1999TN4Y-3TN600LK Tractor 4 ~ 8 Tianjin Tractor