Machineryline is an online marketplace for buying and selling construction machinery, material-handling equipment, industrial machinery, mining equipment and spare parts. Its listings cover excavators, cranes, concrete equipment, road-building and earthmoving machines, forklifts, warehouse equipment, metalworking and woodworking machines, and many other specialist products. Buyers can browse by category, search for specific spare parts, or explore popular vehicle types and brands. Sellers can publish advertisements to reach potential customers, while the platform also provides sections for services, rentals and companies.

Machineryline presents itself as an international marketplace, with listings available to users across multiple countries. The site reports more than 404,000 advertisements in its database and says that over 1.4 million users from 80 countries visit daily to find products. It also features customer feedback and related marketplace projects, including Autoline for trucks and buses and Agroline for agricultural equipment. By bringing equipment listings and parts searches together, Machineryline helps buyers and sellers connect across a broad range of industrial and construction sectors.