unknown years

I would like any info I could get. I could email more and larger pics I would like manuals for them in .pdf's if possible I can't read the model / sn plates My Dad may have put cabs on them so you can't go by them. Thanks in advance

I would like any info I could get. I could email more and larger pics I would like manuals for them in .pdf's if possible I can't read the model / sn plates My Dad may have put cabs on them so you can't go by them. Thanks in advance