SELECT model_designation FROM table_20866024_3 WHERE gvw__kg_ton_ = "2828/2.78" AND axle_ratio = "9/47"
Apa penunjukan model model dengan GVW 2828/2,78 kg/ton dan rasio gandar 9/47?
CREATE TABLE table_20866024_3 (model_designation VARCHAR, gvw__kg_ton_ VARCHAR, axle_ratio VARCHAR)