Chevy Duramax: https://fs19.net/farming-simulator-2019-mods/cars/2017-chevrolet-3500-high-country-v1-0/
Map: http://www.farmingsimulator19mods.com/windchaser-overhauled-v1-1-fs19/
Pontoon Boat: unavailable
Gooseneck Boat Trailer & Yacht: https://mod-network.com/detail/9001/FS19+Oversize+Boat+Trailer+v1.0