DW20's

Good morning everyone. I've got a question, the question is did Caterpillar put the Hydrolic front end lifts on the DW20's, like they did on the 666's? I have a photo of a DW20 I ran in 1962 that shows the hydroilc cylinder right behind the seat on the left side of the seat. I had just become a Union member then, what I remember is only the rams, there was no controls that I could see. Of course I was just starting out and the scrapers were new to me. I guess the question here is, is there...

DW20's

DW20's