# 1979 Caterpillar 561D for Sale in Womelsdorf, PA **URL:** ## Listing details - **Price:** $17,500.00 USD - **Listing ID:** 76097539 - **Year:** 1979 - **Manufacturer:** Caterpillar - **Model:** 561D - **Category:** Pipelayers - **Serial number:** 54X406 - **Location:** Womelsdorf, PA ## Description 2011 Midwestern M561 Hydraulic Conversion, 18 ft 5 in Midwestern Side Boom, Winch, Drawbar, 20" Track Shoes, Excellent Undercarriage! ## Machine details ### General Specifications - **ropstype:** Open ## About this model The Caterpillar 561D is a pipelayer designed for pipeline construction and heavy lifting applications. Built on a tracked undercarriage, it is used to handle and position pipe sections in demanding terrain and jobsite conditions. The machine typically features a sideboom lifting arrangement, hydraulic controls, and a diesel powertrain suited to sustained field operation. The 561D is part of Caterpillar's pipelayer lineup developed for utility, oil and gas, and infrastructure projects. Its configuration supports stability, load handling, and maneuverability during pipe installation, making it a recognized model in pipeline equipment fleets and heavy construction operations. ## Photos ![1979 Caterpillar 561D](https://media.sandhills.com/img.axd?id=9046681920&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tZHZShV70n4P988g7oJ6cyrTx2QgTliU) ![1979 Caterpillar 561D photo 2](https://media.sandhills.com/img.axd?id=9046681928&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tZHZShV70n5ffyhKJG3VCoLauA3VAa%2fs) ![1979 Caterpillar 561D photo 3](https://media.sandhills.com/img.axd?id=9046681948&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tZHZShV70n7uGURkKMWamPdStUoKNjXP) ![1979 Caterpillar 561D photo 4](https://media.sandhills.com/img.axd?id=9046681957&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tZHZShV70n4OIALqGyIPCrYkH2lnkIzP) ![1979 Caterpillar 561D photo 5](https://media.sandhills.com/img.axd?id=9046681969&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tZHZShV70n7XoejKLypIIYzWKK42cyf%2b) ![1979 Caterpillar 561D photo 6](https://media.sandhills.com/img.axd?id=9046681979&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tZHZShV70n710vzIlAzGnLC%2bAOCoSfsm) ![1979 Caterpillar 561D photo 7](https://media.sandhills.com/img.axd?id=9046681996&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tZHZShV70n4V9hlOZmnJRrt4DFNE5Tnu) ![1979 Caterpillar 561D photo 8](https://media.sandhills.com/img.axd?id=9046682004&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=1NNEp%2bqK9eku8iNdJ1uV%2b5a4viwg52HT) ![1979 Caterpillar 561D photo 9](https://media.sandhills.com/img.axd?id=9046682014&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=1NNEp%2bqK9ek8IT4sYFbWDirlLWGeiMHa) ![1979 Caterpillar 561D photo 10](https://media.sandhills.com/img.axd?id=9046682022&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=1NNEp%2bqK9elO6MmkknZSnjc1iG2S6DKF) ![1979 Caterpillar 561D photo 11](https://media.sandhills.com/img.axd?id=9046682043&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=1NNEp%2bqK9ekdADPEF9fs8hddvWSL8fdo) ![1979 Caterpillar 561D photo 12](https://media.sandhills.com/img.axd?id=9046682057&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=1NNEp%2bqK9ek7UphllkbxMXPGnkohbD4P) ![1979 Caterpillar 561D photo 13](https://media.sandhills.com/img.axd?id=9046682069&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=1NNEp%2bqK9elTwdm3B9NNJqGDXvlvV7wg) ![1979 Caterpillar 561D photo 14](https://media.sandhills.com/img.axd?id=9046682081&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=1NNEp%2bqK9elzojJTUNwOB5AZWxGvPazO) ![1979 Caterpillar 561D photo 15](https://media.sandhills.com/img.axd?id=9046682105&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=B55YkQKOoiqFlPi%2bwEhvABx9XqH8FcIK) ![1979 Caterpillar 561D photo 16](https://media.sandhills.com/img.axd?id=9046682133&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=B55YkQKOoiq4weuapLr32lU2zY9rEt5P) ![1979 Caterpillar 561D photo 17](https://media.sandhills.com/img.axd?id=9046682161&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=B55YkQKOoiqX1GVmMKiqUWQYR1vSYUOr) ![1979 Caterpillar 561D photo 18](https://media.sandhills.com/img.axd?id=9046682193&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=B55YkQKOoiqcV2YhdNv3IJukqvnPMHL3) ![1979 Caterpillar 561D photo 19](https://media.sandhills.com/img.axd?id=9046682210&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tuDKmxERTLKu8Hhqrmz3JazHzfG88qvG) ![1979 Caterpillar 561D photo 20](https://media.sandhills.com/img.axd?id=9046682225&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tuDKmxERTLJjyHgh%2bvNNmDySPoQhza6I) ![1979 Caterpillar 561D photo 21](https://media.sandhills.com/img.axd?id=9046682245&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tuDKmxERTLKyMxxehFMXicTmkZpTTsGB) ![1979 Caterpillar 561D photo 22](https://media.sandhills.com/img.axd?id=9046682283&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=tuDKmxERTLIr1XpJNPPevxIV7w9pQeuT) ![1979 Caterpillar 561D photo 23](https://media.sandhills.com/img.axd?id=9046682325&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=EbMM9f1CPlBnV%2boe45tLeXOCGrEjdFvl) ![1979 Caterpillar 561D photo 24](https://media.sandhills.com/img.axd?id=9046682339&wid=0&rwl=False&p=&ext=&w=600&h=400&t=&lp=&c=True&wt=False&sz=Max&rt=0&checksum=EbMM9f1CPlDRcz8sx1DduYyafg%2bmDEWM) ![1979 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