Orbit Manufacturing Inc. manufactures Aluminum Hydraulic Jacks in North America. Built and tested to ANSI B30.1 standards. 30 to 200 ton capacities. Single Acting Spring return, Double Acting, Single Acting Hollow, Double Acting Hollow and Lock Nut models also available. Custom cylinders and sizes upon request. Complete systems possible (jacks, hoses, pumps, gauges, accessories, etc...). Aluminum Hydraulic Equipment. Aluminum Hydraulic Rams. Fast delivery times. Many items stock. Worldwide shipping. Website: www.orbithydraulics.com. Orbit Manufacturing is North America's only exclusive Aluminum Hydraulic Jack manufacturer and has over 20 years of building experience behind them. Contact for more information. Industries served include construction, railway, mining, trucking, bridge building/repair, any many more... more... See more text