GOMACO Introduces the New GT-3400 – There’s Nothing Remotely Like It...

Ida Grove, Iowa -- GOMACO is proud to introduce the new GT-3400. It’s a three-track machine with all of the features that have made GOMACO the worldwide leader in concrete paving equipment, including the powerful G21 controller, All-Track Steering, high-speed track motors, and the patented simultaneous trim/pour feature. It also has some new and exciting features that put the GT-3400 in a class all by itself. There’s nothing remotely like it!

It’s the first curb and gutter machine to be controlled by remote control. The remote control is light weight, durable and gives the operator total freedom to move about the operation. It is 11 inches (279 mm) wide, seven inches (178 mm) tall, 4.5 inches (114 mm) deep and weighs only 6.75 pounds (3.1 kg). All of the necessary functions, including vibrator adjustment and an emergency stop, are built into the remote’s small package. The remote control is powered by a nine volt, off-the-shelf Makita battery, which makes it easy to replace if necessary.

Safety is always a priority in design consideration. Built-in safety features stop the machine if the remote loses communication or if the remote control turns on its horizontal axis more than 60 degrees. The wireless remote features “frequency hopping” capabilities. The remote is constantly changing channels and frequencies to maintain contact with the GT-3400. The remote has the option of being tethered to the machine for areas that do not allow transmitting. For example, projects near airports and blasting operations restrict radio use. The contractor simply tethers the remote to the machine and the wireless transmitter is disabled.

The GT-3400 features an all new three-track footprint with All-Track Steering. The new footprint features two close tracks on one side and a single track on the other. The design was chosen for tight turning radius capabilities, getting on and off stringline fast, and the design minimizes machine length. With the front track positioned beside the mold and behind the trimmerhead, the GT-3400 is capable of slipforming right up to an object or to the end of the stringline. The trimmerhead simply has to be sideshifted and lifted up out of the way allowing the machine to pave up to the end of the pass. Many parking lot designs for curb and gutter have sharp angles, short runs, tight radii, and do not always take slipforming into consideration. The new GOMACO GT-3400 makes these kinds of jobs possible. Its compact size from front to back allows the machine to get into the small areas where one island ends and another begins.

The GT-3400’s direct-drive trimmerhead is the most powerful on the market today. The radial piston hydraulic motor directly drives the trimmerhead. The trimmer’s closed-loop hydraulic circuit and radial piston motor provide 28,684 inch-pounds of torque at the trimmerhead. The 24 inch (610 mm) diameter trimmer is equipped with Kennametal teeth, and the trimmer’s width can be varied from 30 inches (762 mm) to 78 inches (1981 mm).

The GT-3400 has a direct-drive, 14 inch (356 mm) diameter, charging auger to deliver concrete to the mold. The auger was chosen because it minimizes the overall length of the machine. The auger also hydraulically slides to help minimize the transport width. It slides down for hopper positioning and receiving concrete from the trucks and it slides up to reduce transport width.

Changing molds is quick and easy with the Hook-and-Go mold mount system. The operator simply has to drive the GT-3400 up to the mold, hook the mount to a special attachment plate on the mold and lower the holddown. The operator then hydraulically lifts the mold and goes back to work slipforming the project.

The versatile GT-3400 is powered by a 127 hp (94.7 kW) electronic-controlled Caterpillar® diesel engine with a remote mounted cooling package. The engine, coupled with the state-of-the-art hydraulic circuitry, results in the most fuel-efficient horsepower to work-performed ratio in the industry. The cooling package fan is driven by a hydraulic motor which allows the G21 controller to vary the fan speed to match the cooling demand. This results in less engine horsepower dedicated to the fan and a quieter operation.

The GOMACO G21 and exclusive “smart” cylinders provide simple push-button steering setup on the GT-3400. The cylinders are attached to a new style of leg. GOMACO engineers have designed a new piston-style leg that acts like a cylinder. The legs have bearings on both ends of the inner tube so there is no steel-on-steel contact. A keyway is utilized for steering control and adjusting wear pads is a thing of the past with the new legs.

Two-speed track motors provide fast job-site mobility up to 125 feet per minute (38 mpm). It’s one of the fastest tracking speeds in the industry.

The new GT-3400 has been designed to be a multi-application machine and will slipform right-side or left-side curb and gutter, tight radius, safety barrier, bridge parapet, sidewalk, recreational paths and flat slabs up to six feet (1.8 m) wide. Contractors can pave with either stringline or go stringless. The G21 controls interface with stringless technology/3D control systems.

The GT-3400 is the beginning of a whole new class of curb and gutter machines, and GOMACO is very excited to be introducing it. It’s all new from top to bottom, and has incorporated the best and latest technologies available on the market today. There is nothing remotely like it. It gives contractors the power of choice. Right-side or left-side pour, operate from the operator’s platform or on the ground with the remote, stringline or stringless... the choice is yours.

GOMACO Corporation (www.gomaco.com) is the worldwide leader in concrete construction equipment with headquarters in Ida Grove, Iowa. GOMACO equipment will slipform concrete streets and highways, airport runways, curb and gutter, sidewalks and recreational trails, safety barrier, bridge parapet, and irrigation canals. Support equipment includes grade trimmers, concrete placers, concrete placer/spreaders, and texturing and curing machines. We also offer equipment to finish flat slabs, bridges, and slopes. GOMACO will consult on equipment for large or unique concrete paving projects. Our products are offered through a worldwide distributor network for local sales, parts and service expertise.

 

 

 


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