Gearing and Electronic Solutions

Greer Company

Produces rated capacity indicators, anti-two block systems, angle systems and drum rotation indicators for lattice and telescopic boom cranes.

Anti-Two Block Switches

Greer produces a comprehensive line of A2B switches that offer a range of mounting options. Ideal for hydraulic and lattice boom cranes, switches are available for main, jib, auxiliary and rooster installations.

Boom Angle Indicators

Greer supplies pre-calibrated indicators which can be installed and fully operational in an hour. IP66 rated display and sensor enclosures make Greer boom angle indicators the best choice for mobile crane applications.

Electronics Accessories

Greer offers a complete line of load cells, function kickout valves, angle sensors, reeling drums and tensiometers for both OEM and aftermarket applications.

Hoist Drum Rotation Indicators

Greer makes bidirectional, speed sensitive, high precision HDRIs which are highly accurate, easily installed and provide the most effective indication of rope movement available in the industry.

Rated Capacity Indicators

Greer manufactures a broad selection of rated capacity indicators (RCIs) perfect for boom trucks, rough terrain and all-terrain cranes. Identify load, capacity, radius and boom angle at a glance.

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Tulsa Winch Group Is Now TWG

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About TWG

Headquartered in Tulsa, Oklahoma, TWG is comprised of five companies that specialize in industry specific winches and supporting electronic systems. They include DP Winch, Greer Company, LANTEC, Pullmaster, and Tulsa Winch. TWG is part of the Dover Corporation, an NYSE-traded, multi-billion dollar corporation that manufactures a diverse range of products and components for commercial and industrial use.

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