Machineryline is an international online marketplace for buying and selling construction machinery, material-handling equipment, industrial machinery, and spare parts. Its listings span excavators, cranes, concrete and road-building equipment, forklifts, warehouse and port machinery, mining equipment, and machines for industries such as metalworking, woodworking, food processing, printing, and packaging. Buyers can also browse components, accessories, tools, tires, and other industrial supplies, while sellers can create advertisements to reach prospective customers.

The platform offers category-based search, spare-parts listings, and services including equipment rental and repair. It reports more than 400,000 listings and says its site is visited daily by over 1.4 million users across 80 countries. Machineryline presents itself as a marketplace designed to make transactions convenient and highlights attention to security for both buyers and sellers. It also belongs to a wider group of marketplace projects, including Autoline for trucks and buses and Agroline for agricultural machinery. Through its broad selection and international audience, Machineryline connects equipment vendors with businesses and buyers seeking machinery and parts.