Gradall to exhibit new and vintage machines at ConExpo

Gradall

Gradall will mark its 75-year history at ConExpo with its latest excavators as well as the third machine manufactured by the company. 

Among the new machines will be a model XL 4330 V excavator, one of the new Gradall TrackStar machines, which is designed for railway maintenance and track construction work. 

The machines are known for stability, working at the front, rear and sides of the chassis without the need for outriggers. The rubber tire wheeled chassis is designed for travel on and off paved surfaces and is equipped with a guide rail system for rapid movement on tracks.

The TrackStar machine is also equipped with the Gradall telescoping, tilting boom. With a low working profile, the machine can work in tunnels, under bridges and beneath catenary systems. The full boom tilts 220 degrees, with no loss of bucket force, making it ideal for grading, tie replacement and spreading material.

Gradall Discovery Series

Also on display will be the latest Gradall Discovery Series model, a two-wheel-drive or four-wheel-drive excavator collection that features traditional Gradall design for tight government and contractor budgets.

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As the industry’s first crossover excavators, Discovery Series models are built on a Freightliner chassis for over-the-road mobility.  The Gradall upperstructure features the tilting, telescoping, low-profile boom making it ideal for ditching, grading, culvert replacement, vegetation control, as well as curb, gutter and sidewalk work.

Gradall technology also will be represented by the Gradall Virtual Reality Simulator.  Exhibit visitors will be able to sample virtual reality training by operating a joystick simulator with a practical working experience using the telescoping, tilting Gradall boom movements.

Vintage display

Hydraulic excavator No. 3 — one of the original machines that introduced the Gradall brand name in 1945 — will be exhibited as part of the company’s 75th anniversary celebration. America’s first fully hydraulic excavator, the original Gradall machines were invented by road contractors who were compensating for hand labour shortage during the Second World War.

The No. 3 Gradall machine is operational, using 90 per cent of its original parts along with its Linn carrier and a rebuilt Waukesha engine and track drive. The control valves, hydraulic cylinders, hydraulic pumps and boom assembly are all restored to working order.

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