For more than 70 years, Guardian has been designing and manufacturing world-class couplings and other power transmission components. Utilizing advanced manufacturing technologies and processes, Guardian provides highly-reliable coupling and component solutions to meet the most challenging industrial application requirements. Guardian provides a wide range of standard and custom products including flywheel couplings, hydraulic pump mounts, bearing supported stub shafts, flexible shaft-to-shaft couplings, motion control couplings as well as compression pipe couplings. Durable Guardian products are utilized in key industries including mobile hydraulics, farm & ag, tree care, concrete, food & beverage, material handling, automation, power generation, and oil & gas on applications such as skid steers, aerial lifts, harvesters, wood chippers, concrete pumps, dewatering pumps, baggage handlers, conveyors, robotics, compressors, and generator sets.

Crane & Hoist: Guardian E Series mounts, G Series mounts and Curved jaw couplings provide long lasting performance on top slewing crane applications.
Forestry: Guardian offers a range of solutions including, flywheel couplings designed for higher inertia loads, flexible shaft couplings that accommodate a high degree of misalignment, and bearing supported stub shafts for belted drivetrains, shaft collars, and jaw couplings all used on band saws and chipping machines, logging machines and various other logging machines and equipment.
Marine: Guardian offers a range of solutions including flywheel couplings designed for higher inertia loads, flexible shaft couplings that accommodate a high degree of misalignment, and bearing supported stub shafts for belted drivetrains, all used on marine applications including shipboard generators, compressors, dredge pumps, and lube, bilge and cooling pumps.
Medical & Mobility: Guardian E Series mounts and LJW straight jaw couplings provide long lasting performance on hospital beds and chiropractic tables, rehab machines, and lab/analytical apparatus.
Off-Highway/Construction: Many Guardian products including, flexible shaft couplings that accommodate a high degree of misalignment, flywheel couplings designed for higher inertia loads, bearing supported stub shafts for belted drivetrains, engine housings, shaft collars, and jaw couplings are utilized on heavy equipment, aerial platforms and lifts, concrete and asphalt handling equipment, concrete saws, PTO's, and mobile signs and lights.
Specialty Vehicle: Guardian flywheel and shaft couplings, E Series & G Series mounts, NV couplings and curved jaw couplings provide reliable performance on specialized vehicle applications including hydro-seeders and sewer vacuum trucks.