Machineryline is an international online marketplace for buying and selling construction machinery, warehouse equipment, industrial machinery, and spare parts. Its listings cover a broad range of equipment, including excavators, cranes, concrete and road-building machinery, forklifts, port equipment, metalworking and woodworking machines, and mining equipment. Users can also browse vehicles and components by category, search for parts, and explore listings from specialist companies.

The platform serves both buyers and sellers, offering businesses a place to publish advertisements and connect with potential customers. Its services include equipment rental listings, company profiles, and dedicated sections for industrial and construction services and spare parts. Machineryline also features related marketplaces for trucks and buses through Autoline and agricultural machinery through Agroline.

The site describes itself as an international marketplace used by visitors in 80 countries, with more than 1.4 million users browsing for products. Its tools include search and category navigation, and customer feedback highlights straightforward ad creation, international enquiries, customer support, and an automatic translator to help users communicate with prospective buyers.