Welcome to O'Brien Equipment Sales, Your Denver heavy machinery dealer. Our clients have high expectations for their pieces of equipment, and equally high expectations about the dealership professionals who serve them. O'Brien Equipment Sales is widely recognized to be among the best in quality, reliability, value and customer satisfaction in both sales and service. O'Brien Equipment Sales is a pre-owned, late model heavy equipment dealer that provides customers with high quality, reliable products at competitive prices. O'Brien Equipment Sales is dedicated to customer satisfaction and we have provided you with a map, as well as our address and phone number to help you find us easily. We are passionate about heavy machinery and we intent on sharing that passion with you when you purchase your new car from us. Come by today and inspect the piece of equipment of your choice.