![](http://www.alamy.com/thumbs/6/CF525538-B2EB-4774-8081-DA4A3CC3A142/M0T7R9.jpg)
Caterpillar D6M LGP & D7R
Size: 1825px × 1369px
Photo credit: © Archive PL / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ancient, book, bygone, copy, cover, editorial, historic, history, illustration, news, nostalgia, nostalgic, photo, photograph, photography, space, stock, textbook, vintage