I have 3 bottle Jack's with number plates missing.i grew up with these so they have meaning. One is a 12 ton Hein warner , 2nd is a mid 1960s 5 ton ,orange colored Sears,3rd is a 1.5 ton again Sears mid 60s. The 2 Sears seem to have same pump. I just need to know where and what parts to order? Thank you.