Sentence 1: In 1948 Bubba produced the first Italian self-propelled combine harvester , the 1500 , preceded only by Massey Harris in 1941 .
Sentence 2: In 1948 , Massey Harris produced the first Italian self-driving combine harvester , the 1500 , which was only preceded by Bubba in 1941 .
Question: Do Sentence 1 and Sentence 2 express the same meaning? Yes or No?